{"id":12805,"date":"2026-04-13T02:24:03","date_gmt":"2026-04-13T02:24:03","guid":{"rendered":"https:\/\/hlh-js.com\/?p=12805"},"modified":"2026-04-14T03:18:51","modified_gmt":"2026-04-14T03:18:51","slug":"steel-grit-vs-steel-shot-which-should-you-use","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/ja\/resource\/blog\/steel-grit-vs-steel-shot-which-should-you-use\/","title":{"rendered":"Steel Grit vs Steel Shot: Which Should You Use?"},"content":{"rendered":"<!-- ============================================================\n     CLUSTER 6: Steel Grit vs Steel Shot \u2014 Which Should You Use?\n     Jiangsu Henglihong Technology Co., Ltd.\n     URL: https:\/\/hlh-js.com\/resource\/blog\/steel-grit-vs-steel-shot-which-should-you-use\/\n     Pillar back-link: https:\/\/hlh-js.com\/resource\/blog\/blasting-media\/\n     Word count target: ~1,800 words\n     Updated: March 2026\n     ============================================================ -->\n\n<!-- ===== JSON-LD SCHEMA ===== -->\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@graph\": [\n        {\n            \"@type\": \"Article\",\n            \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/steel-grit-vs-steel-shot-which-should-you-use\\\/#article\",\n            \"headline\": \"Steel Grit vs Steel Shot: Which Should You Use? Complete Technical Guide (2026)\",\n            \"description\": \"A detailed technical comparison of steel grit and steel shot \\u2014 particle shape, surface profile, hardness grades, recycling economics, shot peening applications, and a definitive decision framework for industrial buyers.\",\n            \"image\": \"https:\\\/\\\/hlh-js.com\\\/wp-content\\\/uploads\\\/steel-grit-vs-steel-shot-guide.jpg\",\n            \"author\": {\n                \"@type\": \"Organization\",\n                \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n                \"url\": \"https:\\\/\\\/hlh-js.com\"\n            },\n            \"publisher\": {\n                \"@type\": \"Organization\",\n                \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n                \"logo\": {\n                    \"@type\": \"ImageObject\",\n                    \"url\": \"https:\\\/\\\/hlh-js.com\\\/wp-content\\\/uploads\\\/logo.png\"\n                }\n            },\n            \"datePublished\": \"2026-03-01\",\n            \"dateModified\": \"2026-03-23\",\n            \"mainEntityOfPage\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/steel-grit-vs-steel-shot-which-should-you-use\\\/\"\n        },\n        {\n            \"@type\": \"FAQPage\",\n            \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/steel-grit-vs-steel-shot-which-should-you-use\\\/#faq\",\n            \"mainEntity\": [\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"What is the difference between steel grit and steel shot?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Steel grit consists of angular, irregular particles produced by crushing high-carbon steel shot and re-heat-treating the fragments. It cuts aggressively into steel surfaces, producing a jagged, high-profile anchor texture ideal for heavy coating systems. Steel shot consists of spherical particles produced by atomizing molten steel. It peens rather than cuts the surface, producing a smoother, dimpled profile \\u2014 used for descaling, cleaning, and shot peening for fatigue life improvement.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"When should I use steel grit instead of steel shot?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Use steel grit when you need an aggressive anchor profile (75\\u2013150 \\u00b5m) for heavy-duty coating systems such as epoxy, polyurethane, or zinc-rich primers on structural steel, or when heavy mill scale and rust removal is required. Steel grit produces the ISO Sa 2.5 \\\/ SSPC-SP10 cleanliness grades needed for industrial protective coating applications. It is specified in shipyards, structural steel fabrication, heavy engineering, and aggressive corrosion-removal applications.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"What is steel shot used for?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Steel shot is used for descaling and cleaning of castings and forgings, shot peening of springs, gears, aircraft components, and automotive parts to improve fatigue life, surface preparation before light coating systems, and general surface conditioning. Its spherical shape produces compressive residual stress in the surface layer rather than an etched anchor profile, making it the media of choice when fatigue resistance is the primary objective.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"How long do steel grit and steel shot last?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Both steel grit and steel shot offer outstanding recyclability \\u2014 typically 500 to 2,000 or more cycles in a well-maintained automated blast room or cabinet with a proper classifier and separator. This makes metallic abrasives the most cost-effective option per m\\u00b2 in high-volume production environments, despite their higher unit price compared to mineral or slag abrasives.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"Can steel grit and steel shot be mixed?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Yes \\u2014 blending steel grit and steel shot is a common and deliberate practice in automated blast rooms. The shot component provides efficient cleaning and scale removal while the grit component cuts the anchor profile. The ratio is adjusted to achieve the desired balance of cleaning rate and profile depth for the specific substrate and coating system. 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transform: translateY(-1px); }\n\n  \/* --- Responsive --- *\/\n  @media (max-width: 680px) {\n    .c6-hero { padding: 30px 22px 26px; }\n    .c6-hero h1 { font-size: 1.6rem; }\n    .c6-specs-bar { grid-template-columns: 1fr 1fr; }\n    .c6-hero-compare { grid-template-columns: 1fr; }\n    .c6-hc-sep { display: none; }\n    .c6-impact-grid { grid-template-columns: 1fr; }\n    .c6-app-grid { grid-template-columns: 1fr; }\n    .c6-blend-grid { grid-template-columns: 1fr; }\n    .c6-decision-a { width: 100px; }\n    .c6-cta { padding: 26px 20px; }\n    .c6-article h2 { font-size: 1.38rem; }\n  }\n<\/style>\n\n<!-- ===== ARTICLE WRAPPER ===== -->\n<article class=\"c6-article\" itemscope itemtype=\"https:\/\/schema.org\/Article\">\n\n  <!-- HERO -->\n  <div class=\"c6-hero\">\n    <span class=\"c6-hero-label\">Technical Comparison Guide \u00b7 March 2026<\/span>\n    <h1 itemprop=\"headline\">Steel Grit vs Steel Shot: Which Should You Use?<\/h1>\n    <p class=\"c6-hero-sub\">Both are high-carbon steel abrasives with outstanding recyclability \u2014 but their particle shapes produce completely different surface results. This guide covers particle mechanics, grade systems, surface profile data, hardness specifications, blending strategies, and a definitive decision framework for every major steel blasting application.<\/p>\n    <div class=\"c6-hero-meta\">Updated March 2026 &nbsp;\u00b7&nbsp; 10-minute read &nbsp;\u00b7&nbsp; Jiangsu Henglihong Technology Co., Ltd.<\/div>\n  <\/div>\n\n  <!-- KEY SPECS -->\n  <div class=\"c6-specs-bar\">\n    <div class=\"c6-spec-card\">\n      <span class=\"c6-spec-num\">~8.0<\/span>\n      <span class=\"c6-spec-label\">Mohs hardness \u2014 both steel grit and steel shot<\/span>\n    <\/div>\n    <div class=\"c6-spec-card\">\n      <span class=\"c6-spec-num\">500+<\/span>\n      <span class=\"c6-spec-label\">Typical recycle cycles \u2014 highest of any blasting media<\/span>\n    <\/div>\n    <div class=\"c6-spec-card\">\n      <span class=\"c6-spec-num\">75\u2013150\u00b5m<\/span>\n      <span class=\"c6-spec-label\">Anchor profile range achievable with steel grit<\/span>\n    <\/div>\n    <div class=\"c6-spec-card\">\n      <span class=\"c6-spec-num\">SAE J444<\/span>\n      <span class=\"c6-spec-label\">Primary sizing &amp; quality standard for steel abrasives<\/span>\n    <\/div>\n  <\/div>\n\n  <!-- PILLAR BACK-LINK -->\n  <div class=\"c6-pillar-link\">\n    <span>\ud83d\udcd6<\/span>\n    <span>Part of our complete abrasive blasting resource library. For a full overview of all media types and selection guidance, visit the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media\/\" target=\"_blank\" rel=\"noopener\">Blasting Media: Complete Industry Guide<\/a>.<\/span>\n  <\/div>\n\n  <!-- TOC -->\n  <nav class=\"c6-toc\" aria-label=\"Table of Contents\">\n    <div class=\"c6-toc-title\">Table of Contents<\/div>\n    <ol>\n      <li><a href=\"#c6-overview\">Steel Grit vs Steel Shot \u2014 The Core Difference<\/a><\/li>\n      <li><a href=\"#c6-mechanics\">Impact Mechanics and Surface Results<\/a><\/li>\n      <li><a href=\"#c6-grit-grades\">Steel Grit: Grades, Hardness &amp; Profile Data<\/a><\/li>\n      <li><a href=\"#c6-shot-grades\">Steel Shot: Grades &amp; Applications<\/a><\/li>\n      <li><a href=\"#c6-applications\">Application Guide \u2014 When to Use Each<\/a><\/li>\n      <li><a href=\"#c6-blending\">Blending Grit and Shot in Automated Systems<\/a><\/li>\n      <li><a href=\"#c6-recyclability\">Recyclability and Economics<\/a><\/li>\n      <li><a href=\"#c6-substrates\">Substrate Restrictions and Contamination Risk<\/a><\/li>\n      <li><a href=\"#c6-decision\">Decision Framework \u2014 Quick Reference<\/a><\/li>\n      <li><a href=\"#c6-faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li>\n    <\/ol>\n  <\/nav>\n\n  <!-- SECTION 1 -->\n  <h2 id=\"c6-overview\">1. Steel Grit vs Steel Shot \u2014 The Core Difference<\/h2>\n\n  <p>Steel grit and steel shot are both manufactured from high-carbon steel and share a hardness of approximately Mohs 8.0 \u2014 but they are fundamentally different abrasive tools. The distinction lies entirely in <strong>particle shape<\/strong>, and particle shape determines everything about the surface result.<\/p>\n\n  <div class=\"c6-hero-compare\">\n    <div class=\"c6-hc-col\">\n      <div class=\"c6-hc-header grit\">\u30b9\u30c1\u30fc\u30eb\u30b0\u30ea\u30c3\u30c8<\/div>\n      <div class=\"c6-hc-body\">\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Shape<\/span><span class=\"c6-hc-val\">Angular \/ irregular<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Action on surface<\/span><span class=\"c6-hc-val\">Cuts &amp; etches<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Surface profile<\/span><span class=\"c6-hc-val\">Jagged, high peaks &amp; valleys<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Profile depth<\/span><span class=\"c6-hc-val\">75\u2013150 \u00b5m<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Cleaning speed<\/span><span class=\"c6-hc-val\">\u4e2d\u7a0b\u5ea6<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Best for<\/span><span class=\"c6-hc-val\">Coating prep, rust removal<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Grade system<\/span><span class=\"c6-hc-val\">G10\u2013G120 (size), GL\/GM\/GH (hardness)<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Recycle life<\/span><span class=\"c6-hc-val\">500\u20131,500 cycles<\/span><\/div>\n      <\/div>\n    <\/div>\n    <div class=\"c6-hc-sep\">VS<\/div>\n    <div class=\"c6-hc-col\">\n      <div class=\"c6-hc-header shot\">\u30b9\u30c1\u30fc\u30eb\u30b7\u30e7\u30c3\u30c8<\/div>\n      <div class=\"c6-hc-body\">\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Shape<\/span><span class=\"c6-hc-val\">Spherical<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Action on surface<\/span><span class=\"c6-hc-val\">Peens &amp; compresses<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Surface profile<\/span><span class=\"c6-hc-val\">Smooth dimpled, compressive<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Profile depth<\/span><span class=\"c6-hc-val\">25\u201360 \u00b5m (dimpled)<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Cleaning speed<\/span><span class=\"c6-hc-val\">Fast<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Best for<\/span><span class=\"c6-hc-val\">Descaling, shot peening<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Grade system<\/span><span class=\"c6-hc-val\">S110\u2013S780 (SAE J444)<\/span><\/div>\n        <div class=\"c6-hc-row\"><span class=\"c6-hc-label\">Recycle life<\/span><span class=\"c6-hc-val\">1,000\u20132,000+ cycles<\/span><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <p>Both are manufactured under SAE J444 and ISO 11124 standards, and both deliver the outstanding recyclability that makes metallic abrasives the most economical choice per m\u00b2 in any high-volume automated blast room. The choice between them \u2014 or the decision to blend them \u2014 comes down entirely to what the surface needs to look like and perform like after blasting.<\/p>\n\n  <!-- SECTION 2 -->\n  <h2 id=\"c6-mechanics\">2. Impact Mechanics and Surface Results<\/h2>\n\n  <p>Understanding what happens at the moment of particle impact explains why grit and shot produce such different surfaces despite being made from the same material at similar hardness.<\/p>\n\n  <div class=\"c6-impact-grid\">\n    <div class=\"c6-impact-card grit\">\n      <h4 class=\"grit\">Steel Grit \u2014 Cutting Action<\/h4>\n      <p>An angular grit particle strikes the steel surface with a sharp edge or corner, concentrating the impact force at a point and physically cutting or ploughing into the metal. The displaced metal forms peaks and lips around the cut zone. Millions of these impacts across the surface create the characteristic sharp, jagged profile \u2014 high Rz values, excellent mechanical key for adhesion of heavy-build coatings. The surface looks and measures &#8220;rough&#8221; by any profilometry standard.<\/p>\n    <\/div>\n    <div class=\"c6-impact-card shot\">\n      <h4 class=\"shot\">Steel Shot \u2014 Peening Action<\/h4>\n      <p>A spherical shot particle strikes the surface and distributes the impact force radially from a central contact point, creating a smooth hemispherical dimple. The metal is plastically deformed downward and outward rather than cut. Importantly, the repeated hammering of the surface induces a layer of <strong>compressive residual stress<\/strong> \u2014 the mechanism that makes shot peening valuable for fatigue life improvement in springs, gears, and aircraft components. The surface looks and measures relatively smooth.<\/p>\n    <\/div>\n  <\/div>\n\n  <div class=\"c6-highlight\">\n    <span class=\"c6-highlight-label\">Critical Point<\/span>\n    The compressive residual stress induced by steel shot peening is not a cosmetic effect \u2014 it measurably increases the fatigue life of treated components by counteracting the tensile stresses that initiate and propagate fatigue cracks. SAE AMS 2430 and MIL-S-13165 govern shot peening intensity and coverage requirements in aerospace and defense applications.\n  <\/div>\n\n  <!-- SECTION 3 -->\n  <h2 id=\"c6-grit-grades\">3. Steel Grit: Grades, Hardness &amp; Profile Data<\/h2>\n\n  <p>Steel grit is graded by two independent parameters: <strong>particle size<\/strong> (G10 through G120, where lower numbers are coarser) and <strong>hardness<\/strong> (GL = low, 40\u201351 HRC; GM = medium, 54\u201361 HRC; GH = high, 60\u201367 HRC). Hardness grade significantly affects both cutting aggression and recycle life \u2014 harder grit cuts more aggressively but fractures somewhat more readily under repeated impact.<\/p>\n\n  <div class=\"c6-table-wrap\">\n    <table class=\"c6-table grit-table\">\n      <thead>\n        <tr>\n          <th>Size Grade<\/th>\n          <th>Nominal Size (\u00b5m)<\/th>\n          <th>Profile Depth (Rz)<\/th>\n          <th>Hardness Options<\/th>\n          <th>Primary Application<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>G10<\/td>\n          <td>2,000\u20132,800<\/td>\n          <td>\n            <span class=\"c6-pbar-bg\"><span class=\"c6-pbar-grit\" style=\"width:100%\"><\/span><\/span>\n            130\u2013150 \u00b5m\n          <\/td>\n          <td>GL \/ GM<\/td>\n          <td>Maximum profile, very heavy scale, thick rubber or paint removal<\/td>\n        <\/tr>\n        <tr>\n          <td>G14<\/td>\n          <td>1,400\u20132,000<\/td>\n          <td>\n            <span class=\"c6-pbar-bg\"><span class=\"c6-pbar-grit\" style=\"width:85%\"><\/span><\/span>\n            110\u2013130 \u00b5m\n          <\/td>\n          <td>GL \/ GM<\/td>\n          <td>Heavy structural steel, high-build zinc-rich coating systems<\/td>\n        <\/tr>\n        <tr class=\"c6-pop\">\n          <td>G25 <span class=\"c6-badge c6-badge-pop\">Most used<\/span><\/td>\n          <td>710\u20131,000<\/td>\n          <td>\n            <span class=\"c6-pbar-bg\"><span class=\"c6-pbar-grit\" style=\"width:68%\"><\/span><\/span>\n            90\u2013115 \u00b5m\n          <\/td>\n          <td>GL \/ GM \/ GH<\/td>\n          <td>Structural steel fabrication, shipbuilding, bridge maintenance<\/td>\n        <\/tr>\n        <tr class=\"c6-pop\">\n          <td>G40 <span class=\"c6-badge c6-badge-pop\">Most used<\/span><\/td>\n          <td>425-600<\/td>\n          <td>\n            <span class=\"c6-pbar-bg\"><span class=\"c6-pbar-grit\" style=\"width:54%\"><\/span><\/span>\n            70\u201395 \u00b5m\n          <\/td>\n          <td>GM \/ GH<\/td>\n          <td>General industrial, automotive components, foundry castings<\/td>\n        <\/tr>\n        <tr>\n          <td>G50<\/td>\n          <td>355-500<\/td>\n          <td>\n            <span class=\"c6-pbar-bg\"><span class=\"c6-pbar-grit\" style=\"width:44%\"><\/span><\/span>\n            55\u201380 \u00b5m\n          <\/td>\n          <td>GM \/ GH<\/td>\n          <td>Moderate profile, thinner coating systems, pre-paint steel<\/td>\n        <\/tr>\n        <tr>\n          <td>G80<\/td>\n          <td>212-300<\/td>\n          <td>\n            <span class=\"c6-pbar-bg\"><span class=\"c6-pbar-grit\" style=\"width:30%\"><\/span><\/span>\n            40\u201360 \u00b5m\n          <\/td>\n          <td>GH<\/td>\n          <td>Fine surface prep, light rust, precision parts, automotive body<\/td>\n        <\/tr>\n        <tr>\n          <td>G120<\/td>\n          <td>106-150<\/td>\n          <td>\n            <span class=\"c6-pbar-bg\"><span class=\"c6-pbar-grit\" style=\"width:18%\"><\/span><\/span>\n            25\u201340 \u00b5m\n          <\/td>\n          <td>GH<\/td>\n          <td>Fine finishing, thin coatings, pre-plating surface conditioning<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <p style=\"font-size:0.82rem;color:#7a8a9a;margin-top:-16px;\">Profile ranges are indicative for GM hardness steel grit in a centrifugal wheel blast room at standard wheel speed. Actual profiles vary with wheel speed, blast angle, part geometry, and substrate condition.<\/p>\n\n  <!-- SECTION 4 -->\n  <h2 id=\"c6-shot-grades\">4. Steel Shot: Grades &amp; Applications<\/h2>\n\n  <p>Steel shot is graded solely by particle size under SAE J444, with grades from S110 (finest, ~280 \u00b5m) to S780 (coarsest, ~2,000 \u00b5m). Unlike grit, hardness is not a primary specification variable for shot \u2014 most commercial shot is produced to a standard hardness range of 40\u201351 HRC. For dedicated shot peening, tighter hardness and roundness controls apply under AMS 2431 and related aerospace specifications.<\/p>\n\n  <div class=\"c6-table-wrap\">\n    <table class=\"c6-table shot-table\">\n      <thead>\n        <tr>\n          <th>Size Grade<\/th>\n          <th>Nominal Size (\u00b5m)<\/th>\n          <th>Peening Intensity (Almen)<\/th>\n          <th>Primary Application<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>S110\u2013S170<\/td>\n          <td>280\u2013425<\/td>\n          <td>Light (4\u20138A)<\/td>\n          <td>Fine peening of thin parts, aluminum components, light scale removal<\/td>\n        <\/tr>\n        <tr class=\"c6-pop\">\n          <td>S230 <span class=\"c6-badge c6-badge-pop\">Most used<\/span><\/td>\n          <td>580\u2013710<\/td>\n          <td>Medium (8\u201314A)<\/td>\n          <td>Automotive springs, gears, castings descaling, general steel cleaning<\/td>\n        <\/tr>\n        <tr class=\"c6-pop\">\n          <td>S330 <span class=\"c6-badge c6-badge-pop\">Most used<\/span><\/td>\n          <td>850\u20131,000<\/td>\n          <td>Medium-high (12\u201318A)<\/td>\n          <td>Structural steel cleaning, foundry castings, heavy descaling<\/td>\n        <\/tr>\n        <tr>\n          <td>S390<\/td>\n          <td>1,000\u20131,180<\/td>\n          <td>High (16\u201322A)<\/td>\n          <td>Heavy castings, agricultural equipment, large structural components<\/td>\n        <\/tr>\n        <tr>\n          <td>S460\u2013S550<\/td>\n          <td>1,180\u20131,400<\/td>\n          <td>Very high (20\u201328A)<\/td>\n          <td>Heavy steel forgings, railroad components, large castings<\/td>\n        <\/tr>\n        <tr>\n          <td>S660\u2013S780 <span class=\"c6-badge c6-badge-peen\">\u30d4\u30fc\u30cb\u30f3\u30b0<\/span><\/td>\n          <td>1,700\u20132,000<\/td>\n          <td>Maximum (24\u201332A+)<\/td>\n          <td>Maximum peening intensity, heavy aerospace and industrial components<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <p style=\"font-size:0.82rem;color:#7a8a9a;margin-top:-16px;\">Almen arc height intensity values are indicative ranges for SAE standard test strip conditions. Actual peening intensity depends on wheel speed, distance, and coverage time \u2014 must be qualified per applicable specification (SAE AMS 2430, MIL-S-13165) for aerospace and critical applications.<\/p>\n\n  <!-- SECTION 5 -->\n  <h2 id=\"c6-applications\">5. Application Guide \u2014 When to Use Each<\/h2>\n\n  <div class=\"c6-app-grid\">\n    <div class=\"c6-app-col\">\n      <div class=\"c6-app-col-header grit\">Use Steel Grit for:<\/div>\n      <ul class=\"c6-app-list\">\n        <li>Structural steel coating preparation \u2014 Sa 2.5 \/ SSPC-SP10 cleanliness with 75\u2013120 \u00b5m anchor profile for epoxy, polyurethane, and zinc-rich primer systems<\/li>\n        <li>Shipbuilding and drydock hull blasting \u2014 high-profile preparation for anti-corrosion coating systems<\/li>\n        <li>Bridge and infrastructure maintenance \u2014 heavy rust, old coating, and mill scale removal from aged structural steel<\/li>\n        <li>Industrial storage tank lining preparation \u2014 aggressive surface prep for FBE, glass flake, or rubber lining systems<\/li>\n        <li>Automotive manufacturing \u2014 body-in-white and chassis component preparation in automated blast rooms prior to e-coat or powder coating<\/li>\n        <li>Any application where the coating specification requires a defined, measurable anchor profile exceeding 60 \u00b5m<\/li>\n      <\/ul>\n    <\/div>\n    <div class=\"c6-app-col\">\n      <div class=\"c6-app-col-header shot\">Use Steel Shot for:<\/div>\n      <ul class=\"c6-app-list\">\n        <li>Foundry casting and forging descaling \u2014 fast, efficient removal of sand, scale, and oxide from cast iron and steel components in tumble blast or table blast equipment<\/li>\n        <li>Shot peening of automotive springs, transmission gears, connecting rods, and crankshafts for fatigue life improvement<\/li>\n        <li>Aerospace shot peening of landing gear, turbine disks, compressor blades, and aircraft fastener holes per AMS 2430 \/ MIL-S-13165<\/li>\n        <li>General surface conditioning and cleaning of steel components where a smooth surface is acceptable (light coatings, paint, or no coating)<\/li>\n        <li>Pre-treatment of components before non-destructive testing (NDT) \u2014 shot leaves a clean, uniform surface that improves crack detection sensitivity<\/li>\n        <li>Agricultural and construction equipment component cleaning in high-volume automated blast rooms<\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n\n  <!-- SECTION 6 -->\n  <h2 id=\"c6-blending\">6. Blending Grit and Shot in Automated Systems<\/h2>\n\n  <p>One of the most practical and widely used strategies in automated blast room operation is deliberate blending of steel grit and steel shot in the working media charge. Because both media are metallic and compatible with the same centrifugal wheel blast equipment, they can be run together in any ratio \u2014 the shot component provides fast, efficient cleaning and scale removal while the grit component cuts the anchor profile simultaneously. The ratio is adjusted to tune the balance between cleaning speed and profile depth for the specific production requirement.<\/p>\n\n  <div class=\"c6-blend-box\">\n    <h3>Common Grit-to-Shot Blend Ratios and Their Effects<\/h3>\n    <div class=\"c6-blend-grid\">\n      <div class=\"c6-blend-card\">\n        <span class=\"c6-blend-ratio\">30% Grit \/ 70% Shot<\/span>\n        <span class=\"c6-blend-desc\">Fast cleaning, moderate profile. Used for castings and forgings that need rapid scale removal with a light anchor profile for paint adhesion.<\/span>\n      <\/div>\n      <div class=\"c6-blend-card\">\n        <span class=\"c6-blend-ratio\">50% Grit \/ 50% Shot<\/span>\n        <span class=\"c6-blend-desc\">Balanced blend for general structural steel. Achieves Sa 2.5 cleanliness with a consistent 70\u201390 \u00b5m profile suitable for most industrial coating systems.<\/span>\n      <\/div>\n      <div class=\"c6-blend-card\">\n        <span class=\"c6-blend-ratio\">70% Grit \/ 30% Shot<\/span>\n        <span class=\"c6-blend-desc\">Maximum profile generation with moderate cleaning. Specified for heavy corrosion removal or when deep anchor profile is the primary objective for high-build coatings.<\/span>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <p>In practice, the working media charge in an automated blast room naturally evolves toward a blend over time as grit particles fracture and round, and as fresh media is added to top up consumption losses. Regularly sampling and sieve-analyzing the working charge is essential to confirm that the particle size distribution and grit-to-shot ratio remain within specification \u2014 and that accumulated fines are being effectively removed by the separator and classifier.<\/p>\n\n  <!-- SECTION 7 -->\n  <h2 id=\"c6-recyclability\">7. Recyclability and Economics<\/h2>\n\n  <p>The primary commercial advantage of both steel grit and steel shot over all mineral and slag abrasives is their exceptional recyclability. In a well-maintained automated blast room with a centrifugal wheel, a separator to remove broken fines, and a classifier to maintain correct particle size in the working charge, metallic abrasives routinely achieve:<\/p>\n\n  <ul>\n    <li><strong>Steel grit:<\/strong> 500\u20131,500 cycles depending on hardness grade. GH (hard) grit cuts more aggressively but fractures faster than GL or GM grades. For maximum cycle life, specify GL or GM for applications where profile requirements are moderate.<\/li>\n    <li><strong>\u30b9\u30c1\u30fc\u30eb\u30b7\u30e7\u30c3\u30c8\uff1a<\/strong> 1,000\u20132,000+ cycles. Spherical particles fracture less readily than angular grit under repeated impact, and the rounding of sharp fracture points is self-correcting \u2014 broken shot fragments gradually become rounded through repeated blasting. Shot typically outlasts grit in cycle life.<\/li>\n  <\/ul>\n\n  <p>The economics are compelling. A blast room operating two shifts per day, 250 days per year will process enormous surface areas. Replacing metallic abrasives with single-use mineral or slag media would multiply annual media cost by a factor of 10\u201320\u00d7 at equivalent surface area throughput. For a detailed cost-per-m\u00b2 breakdown with price benchmarks as of March 2026, see the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-cost-guide-price-per-pound-roi\/\" target=\"_blank\" rel=\"noopener\">Blasting Media Cost Guide &amp; ROI Analysis<\/a>.<\/p>\n\n  <!-- SECTION 8 -->\n  <h2 id=\"c6-substrates\">8. Substrate Restrictions and Contamination Risk<\/h2>\n\n  <p>Steel grit and steel shot are iron-based abrasives. This creates firm substrate compatibility restrictions that must be respected.<\/p>\n\n  <ul>\n    <li><strong>Stainless steel:<\/strong> Never use iron-containing abrasives on stainless steel. Even microscopic steel particles embedded in a stainless surface will initiate rust within days of exposure to humidity \u2014 entirely defeating the corrosion resistance the stainless material provides. Use <a href=\"https:\/\/hlh-js.com\/resource\/blog\/aluminum-oxide-blast-media-uses-grit-guide\/\" target=\"_blank\" rel=\"noopener\">white fused aluminum oxide<\/a> \u307e\u305f\u306f <a href=\"https:\/\/hlh-js.com\/resource\/blog\/glass-bead-blasting-media-finish-applications\/\" target=\"_blank\" rel=\"noopener\">glass bead<\/a> instead.<\/li>\n    <li><strong>Aluminum and non-ferrous metals:<\/strong> Steel abrasives embed iron particles in aluminum surfaces, which corrode and create cosmetic and structural problems. Use <a href=\"https:\/\/hlh-js.com\/resource\/blog\/glass-bead-blasting-media-finish-applications\/\" target=\"_blank\" rel=\"noopener\">glass bead<\/a> or fine aluminum oxide for aluminum components.<\/li>\n    <li><strong>Titanium and nickel superalloys:<\/strong> Iron contamination compromises the corrosion resistance and can trigger intergranular attack in these alloys under elevated-temperature service. Iron-free mineral abrasives only for these substrates.<\/li>\n    <li><strong>Composites and CFRP:<\/strong> Steel abrasives will shatter carbon fibers and cause delamination. <a href=\"https:\/\/hlh-js.com\/resource\/blog\/plastic-blast-media-for-aerospace-automotive\/\" target=\"_blank\" rel=\"noopener\">Plastic blast media<\/a> is the only appropriate option.<\/li>\n    <li><strong>Carbon steel with subsequent welding:<\/strong> Acceptable \u2014 verify that residual abrasive particles are removed from weld preparation areas before welding to avoid weld porosity.<\/li>\n  <\/ul>\n\n  <div class=\"c6-info\">\n    Steel grit and steel shot are appropriate <strong>only for carbon steel, cast iron, and certain low-alloy steel substrates<\/strong> where iron contamination is not a concern. For any other substrate, refer to the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-the-right-blasting-media\/\" target=\"_blank\" rel=\"noopener\">blasting media selection guide<\/a> for the correct alternative specification.\n  <\/div>\n\n  <!-- SECTION 9 -->\n  <h2 id=\"c6-decision\">9. Decision Framework \u2014 Quick Reference<\/h2>\n\n  <div class=\"c6-decision\">\n    <h3>Answer these questions to determine the right specification:<\/h3>\n    <div class=\"c6-decision-row\">\n      <span class=\"c6-decision-q\">Do you need a deep anchor profile (&gt;60 \u00b5m) for a heavy-duty coating system?<\/span>\n      <span class=\"c6-decision-a grit\">\u2192 Steel Grit<\/span>\n    <\/div>\n    <div class=\"c6-decision-row\">\n      <span class=\"c6-decision-q\">Is the primary goal descaling or cleaning of castings and forgings with no coating requirement?<\/span>\n      <span class=\"c6-decision-a shot\">\u2192 Steel Shot<\/span>\n    <\/div>\n    <div class=\"c6-decision-row\">\n      <span class=\"c6-decision-q\">Is shot peening for fatigue life improvement the objective?<\/span>\n      <span class=\"c6-decision-a shot\">\u2192 Steel Shot<\/span>\n    <\/div>\n    <div class=\"c6-decision-row\">\n      <span class=\"c6-decision-q\">Do you need both fast cleaning and a good coating profile in one pass?<\/span>\n      <span class=\"c6-decision-a both\">\u2192 Grit + Shot Blend<\/span>\n    <\/div>\n    <div class=\"c6-decision-row\">\n      <span class=\"c6-decision-q\">Is the substrate stainless steel, aluminum, titanium, or composite?<\/span>\n      <span class=\"c6-decision-a\" style=\"color:#8a1f1f;\">\u2192 Neither \u2014 see mineral media<\/span>\n    <\/div>\n    <div class=\"c6-decision-row\">\n      <span class=\"c6-decision-q\">Is the equipment a centrifugal wheel blast room or cabinet?<\/span>\n      <span class=\"c6-decision-a both\">\u2192 Either or blend<\/span>\n    <\/div>\n    <div class=\"c6-decision-row\">\n      <span class=\"c6-decision-q\">Is the equipment a pressure blast pot for open-air work?<\/span>\n      <span class=\"c6-decision-a grit\">\u2192 Steel Grit (shot is less effective in pressure pots)<\/span>\n    <\/div>\n    <div class=\"c6-decision-row\">\n      <span class=\"c6-decision-q\">Is maximum recycle life the top priority?<\/span>\n      <span class=\"c6-decision-a shot\">\u2192 Steel Shot (longer cycle life than grit)<\/span>\n    <\/div>\n  <\/div>\n\n  <!-- SECTION 10 \u2014 FAQ -->\n  <h2 id=\"c6-faq\">10. Frequently Asked Questions<\/h2>\n\n  <div class=\"c6-faq\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n\n    <div class=\"c6-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <button class=\"c6-faq-q\" onclick=\"c6ToggleFaq(this)\" aria-expanded=\"false\">\n        <span itemprop=\"name\">What is the difference between steel grit and steel shot?<\/span>\n        <i class=\"c6-faq-icon\">+<\/i>\n      <\/button>\n      <div class=\"c6-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">Steel grit consists of angular, irregular particles produced by crushing high-carbon steel shot and re-heat-treating the fragments. It cuts aggressively into steel surfaces, producing a jagged, high-profile anchor texture (75\u2013150 \u00b5m) ideal for heavy coating systems. Steel shot consists of spherical particles produced by atomizing molten steel. It peens rather than cuts \u2014 hammering the surface to produce a smoother, dimpled profile and a layer of compressive residual stress. Grit is specified for coating preparation; shot for descaling, cleaning, and fatigue life improvement through shot peening.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"c6-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <button class=\"c6-faq-q\" onclick=\"c6ToggleFaq(this)\" aria-expanded=\"false\">\n        <span itemprop=\"name\">When should I use steel grit instead of steel shot?<\/span>\n        <i class=\"c6-faq-icon\">+<\/i>\n      <\/button>\n      <div class=\"c6-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">Use steel grit when you need an aggressive anchor profile (75\u2013150 \u00b5m) for heavy-duty industrial coating systems such as epoxy, polyurethane, or zinc-rich primers on structural steel, or when heavy mill scale, rust, and old coating removal is required to achieve Sa 2.5 \/ SSPC-SP10 cleanliness. Steel grit is the standard specification in shipyards, structural steel fabrication shops, bridge and infrastructure maintenance programs, and pipeline coating preparation operations where the surface must be both clean and profiled for coating adhesion.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"c6-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <button class=\"c6-faq-q\" onclick=\"c6ToggleFaq(this)\" aria-expanded=\"false\">\n        <span itemprop=\"name\">What is steel shot used for?<\/span>\n        <i class=\"c6-faq-icon\">+<\/i>\n      <\/button>\n      <div class=\"c6-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">Steel shot is used for two distinct purposes. The first is descaling and cleaning of castings, forgings, and steel components \u2014 removing sand, oxide scale, and light surface contamination efficiently in tumble blast, table blast, and hanger blast equipment. The second is shot peening \u2014 intentionally hammering the surface with spherical shot to induce compressive residual stress that measurably improves fatigue life and resistance to stress corrosion cracking in springs, gears, aircraft landing gear, turbine components, and automotive drivetrain parts.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"c6-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <button class=\"c6-faq-q\" onclick=\"c6ToggleFaq(this)\" aria-expanded=\"false\">\n        <span itemprop=\"name\">How long do steel grit and steel shot last?<\/span>\n        <i class=\"c6-faq-icon\">+<\/i>\n      <\/button>\n      <div class=\"c6-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">Both steel grit and steel shot offer outstanding recyclability in automated blast rooms with proper separator and classifier systems. Steel grit typically achieves 500\u20131,500 cycles before the working particle size falls below specification \u2014 harder GH grades cut more aggressively but fracture faster than softer GL grades. Steel shot typically achieves 1,000\u20132,000+ cycles because spherical particles fracture less readily than angular grit under repeated impact. Both significantly outperform any mineral or slag abrasive in total recycle life, making metallic abrasives the most economical choice per m\u00b2 in high-volume production environments.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"c6-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <button class=\"c6-faq-q\" onclick=\"c6ToggleFaq(this)\" aria-expanded=\"false\">\n        <span itemprop=\"name\">Can steel grit and steel shot be mixed?<\/span>\n        <i class=\"c6-faq-icon\">+<\/i>\n      <\/button>\n      <div class=\"c6-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">Yes \u2014 blending steel grit and steel shot is a common and deliberate practice in automated blast rooms. The shot component cleans and descales efficiently while the grit component simultaneously cuts the anchor profile. Typical production blends range from 30\/70 to 70\/30 grit-to-shot ratio, adjusted for the specific surface preparation requirement. A 50\/50 blend is a common starting point for general structural steel preparation. The working charge naturally drifts over time as grit fractures and rounds, so regular sieve analysis of the working mix is essential to maintain consistent performance.<\/div>\n      <\/div>\n    <\/div>\n\n  <\/div>\n\n  <!-- RELATED RESOURCES -->\n  <h2 style=\"margin-top:44px;\">Related Resources<\/h2>\n  <p>Explore the full blasting media resource library from Jiangsu Henglihong Technology for further selection guidance and application-specific recommendations:<\/p>\n  <ul>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media\/\" target=\"_blank\" rel=\"noopener\">Blasting Media: Complete Industry Guide<\/a> \u2014 full overview of all media types and applications<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/types-of-blasting-media-complete-guide\/\" target=\"_blank\" rel=\"noopener\">Types of Blasting Media: Complete Guide<\/a> \u2014 how metallic abrasives compare to all other types<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-the-right-blasting-media\/\" target=\"_blank\" rel=\"noopener\">How to Choose the Right Blasting Media<\/a> \u2014 step-by-step selection framework and substrate matrix<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-comparison-blasting-media-chart\/\" target=\"_blank\" rel=\"noopener\">Blasting Media Comparison Chart<\/a> \u2014 side-by-side data for all major abrasives<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-cost-guide-price-per-pound-roi\/\" target=\"_blank\" rel=\"noopener\">Blasting Media Cost Guide &amp; ROI Analysis<\/a> \u2014 cost-per-m\u00b2 benchmarks and economics<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/aluminum-oxide-blast-media-uses-grit-guide\/\" target=\"_blank\" rel=\"noopener\">Aluminum Oxide Blast Media<\/a> \u2014 mineral alternative for non-ferrous and stainless substrates<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/garnet-blasting-media-eco-friendly-high-performance\/\" target=\"_blank\" rel=\"noopener\">Garnet Blasting Media<\/a> \u2014 low-dust mineral abrasive for open-air blasting<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/glass-bead-blasting-media-finish-applications\/\" target=\"_blank\" rel=\"noopener\">Glass Bead Blasting Media<\/a> \u2014 for stainless and aluminum where iron contamination must be avoided<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/plastic-blast-media-for-aerospace-automotive\/\" target=\"_blank\" rel=\"noopener\">Plastic Blast Media for Aerospace &amp; Automotive<\/a> \u2014 for composite and thin-gauge aluminum substrates<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/silicon-carbide-blast-media-hardest-abrasive-explained\/\" target=\"_blank\" rel=\"noopener\">Silicon Carbide Blast Media: Hardest Abrasive Explained<\/a><\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/industrial-surface-prep-best-blasting-media-for-metal\/\" target=\"_blank\" rel=\"noopener\">Industrial Surface Prep: Best Blasting Media for Metal<\/a><\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-for-automotive-restoration\/\" target=\"_blank\" rel=\"noopener\">Blasting Media for Automotive Restoration<\/a><\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/eco-friendly-blasting-media-low-dust-silica-free-options\/\" target=\"_blank\" rel=\"noopener\">Eco-Friendly Blasting Media: Low-Dust &amp; Silica-Free Options<\/a><\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-safety-guide-silica-risks-ppe\/\" target=\"_blank\" rel=\"noopener\">Blasting Media Safety Guide: Silica Risks &amp; PPE<\/a><\/li>\n  <\/ul>\n\n  <!-- CTA -->\n  <div class=\"c6-cta\">\n    <h2>Source Steel Grit and Steel Shot from a Trusted Manufacturer<\/h2>\n    <p>Jiangsu Henglihong Technology supplies steel grit and steel shot in SAE J444 grades, with full hardness certification, sieve analysis documentation, and reliable sea freight export to North America, Europe, the Middle East, and beyond.<\/p>\n    <a class=\"c6-cta-btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Request a Quote or Technical Sample<\/a>\n  <\/div>\n\n<\/article>\n\n<!-- ===== FAQ ACCORDION SCRIPT ===== -->\n<script>\n(function() {\n  function c6ToggleFaq(btn) {\n    var item = btn.parentElement;\n    var isOpen = item.classList.contains('open');\n    document.querySelectorAll('.c6-faq-item').forEach(function(el) {\n      el.classList.remove('open');\n      var b = el.querySelector('.c6-faq-q');\n      if (b) b.setAttribute('aria-expanded', 'false');\n    });\n    if (!isOpen) {\n      item.classList.add('open');\n      btn.setAttribute('aria-expanded', 'true');\n    }\n  }\n  window.c6ToggleFaq = c6ToggleFaq;\n})();\n<\/script>\n\n<!-- ===== ON-PAGE SEO NOTES (remove before publishing) =====\nMETA TITLE (\u226460 chars):\n  Steel Grit vs Steel Shot: Which to Use? Guide 2026 | HLH\n\nMETA DESCRIPTION (\u2264155 chars):\n  Steel grit vs steel shot \u2014 particle mechanics, grade tables, profile data, blending ratios, shot peening, substrate restrictions & a quick decision framework.\n\nPRIMARY KEYWORD: steel grit vs steel shot\nSECONDARY: steel grit blasting media, steel shot blasting, steel grit grades, shot peening media, metallic blasting abrasives\n\nFEATURED SNIPPET OPPORTUNITIES:\n  - \"What is the difference between steel grit and steel shot?\" \u2192 FAQ item 1 + hero comparison card\n  - Decision framework table \u2192 targets Featured Snippet for \"when to use steel grit vs steel shot\"\n  - Grade tables \u2192 targets table snippets for \"steel grit grades\" and \"steel shot grades\"\n  - \"Can steel grit and steel shot be mixed?\" \u2192 FAQ item 5 targets PAA\n\nINTERNAL LINKS:\n  \u2192 Pillar (blasting-media\/) \u00d72\n  \u2192 types-of-blasting-media \u00d71\n  \u2192 how-to-choose \u00d72\n  \u2192 aluminum-oxide \u00d72\n  \u2192 glass-bead \u00d73\n  \u2192 garnet \u00d71\n  \u2192 plastic-media \u00d72\n  \u2192 silicon-carbide \u00d71\n  \u2192 automotive \u00d71\n  \u2192 industrial-metal \u00d71\n  \u2192 eco-friendly \u00d71\n  \u2192 cost-guide \u00d72\n  \u2192 comparison-chart \u00d71\n  \u2192 safety \u00d71\n\nJS namespace: c6ToggleFaq \u2014 fully isolated.\nAll dates: March 2026.\nNo \"Cluster N\" references in visible content.\n===== END SEO NOTES ===== -->","protected":false},"excerpt":{"rendered":"<p>Technical Comparison Guide \u00b7 March 2026 Steel Grit vs Steel  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":12838,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,175,138],"tags":[],"class_list":["post-12805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-industry","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts\/12805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/comments?post=12805"}],"version-history":[{"count":2,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts\/12805\/revisions"}],"predecessor-version":[{"id":12807,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts\/12805\/revisions\/12807"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/media\/12838"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/media?parent=12805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/categories?post=12805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/tags?post=12805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}