{"id":13297,"date":"2026-06-02T02:25:15","date_gmt":"2026-06-02T02:25:15","guid":{"rendered":"https:\/\/hlh-js.com\/?p=13297"},"modified":"2026-06-02T02:44:33","modified_gmt":"2026-06-02T02:44:33","slug":"garnet-blasting-for-shipbuilding-steel-structures","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/fr\/resource\/blog\/garnet-blasting-for-shipbuilding-steel-structures\/","title":{"rendered":"Garnet Blasting for Shipbuilding &amp; Steel Structures"},"content":{"rendered":"<!-- Cluster 12 of 13 \u00b7 Jiangsu Henglihong Technology Co., Ltd. \u00b7 Gutenberg Custom HTML. 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th{background:var(--acd);color:#fff;text-align:left;padding:13px 15px;font-weight:600;font-size:13px;}\n.gship td{padding:12px 15px;border-top:1px solid var(--line);color:var(--soft);vertical-align:top;}\n.gship tbody tr:nth-child(even){background:#FCFAF7;}.gship td strong{color:var(--acc);}\n.gship__note{background:#FBF6F0;border-left:4px solid var(--acc);border-radius:0 10px 10px 0;padding:18px 22px;margin:22px 0;}.gship__note p{margin:0;font-size:15px;}\n.gship__faq details{background:var(--card);border:1px solid var(--line);border-radius:11px;margin-bottom:11px;}\n.gship__faq summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:600;color:var(--ink);font-size:16px;display:flex;justify-content:space-between;gap:14px;}\n.gship__faq summary::-webkit-details-marker{display:none;}\n.gship__faq summary::after{content:\"+\";font-family:'Fraunces',serif;font-size:22px;color:var(--acc);transition:.25s;}\n.gship__faq details[open] summary::after{transform:rotate(45deg);}.gship__faq div{padding:0 20px 18px;}.gship__faq div p{margin:0;font-size:15px;}\n.gship__cta{background:linear-gradient(140deg,var(--acd),var(--dark));color:#fff;border-radius:16px;padding:44px 36px;text-align:center;margin:40px 0 8px;}\n.gship__cta h2{color:#fff;margin-bottom:12px;}.gship__cta p{color:rgba(255,255,255,.85);max-width:520px;margin:0 auto 22px;}\n.gship__meta{font-size:13px;color:var(--soft);text-align:center;padding:14px 0 44px;opacity:.8;}\n@media(max-width:640px){.gship__hero{padding:50px 20px 46px;}.gship__cta{padding:32px 22px;}}\n@media (prefers-reduced-motion:reduce){.gship *{animation:none!important;}}\n<\/style>\n\n<div class=\"gship\">\n  <section class=\"gship__hero\"><div class=\"gship__hi\">\n    <span class=\"gship__eb\">Industry Application \u00b7 Jiangsu Henglihong Technology<\/span>\n    <h1>Garnet Blasting for Shipbuilding &amp; Steel Structures<\/h1>\n    <p class=\"gship__lede\">Marine and structural steel demand fast cutting, low chloride and a dependable profile. Here&#8217;s why garnet is the abrasive of choice for shipyards and fabricators.<\/p>\n    <a class=\"gship__btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Get Project Supply &rarr;<\/a>\n  <\/div><\/section>\n\n  <div class=\"gship__wrap gship__body\">\n    <nav class=\"gship__toc\"><b>Table of Contents<\/b><ol>\n      <li><a href=\"#gship-why\">Why Garnet in Marine &amp; Structural Work<\/a><\/li>\n      <li><a href=\"#gship-apps\">Where It&#8217;s Used<\/a><\/li>\n      <li><a href=\"#gship-spec\">Standards &amp; Grade Selection<\/a><\/li>\n      <li><a href=\"#gship-chloride\">The Chloride Factor<\/a><\/li>\n      <li><a href=\"#gship-faq\">FAQ<\/a><\/li>\n    <\/ol><\/nav>\n\n    <section class=\"gship__s\" id=\"gship-why\">\n      <div class=\"gship__k\">Rationale<\/div>\n      <h2>Why Garnet in Marine &amp; Structural Work<\/h2>\n      <p>Shipbuilding and structural steel fabrication are among the most demanding environments for an abrasive. Surfaces are large, coatings are heavy-duty, and corrosion protection has to last decades in salt-laden or industrial conditions. Garnet suits the task because it cuts mill scale and rust quickly at moderate pressure, produces a uniform anchor profile for thick protective coatings, generates low dust in busy yards, and carries low chloride to protect coating integrity.<\/p>\n      <p>It sits within a wider toolkit covered in our guide to <a href=\"https:\/\/hlh-js.com\/resource\/blog\/garnet-abrasive-blast-media\/\" target=\"_blank\" rel=\"noopener\">garnet abrasive blast media<\/a>.<\/p>\n    <\/section>\n\n    <section class=\"gship__s\" id=\"gship-apps\">\n      <div class=\"gship__k\">Use Cases<\/div>\n      <h2>Where It&#8217;s Used<\/h2>\n      <ul>\n        <li><strong>Hull preparation<\/strong> &mdash; exterior and interior surfaces before anti-corrosive and antifouling systems.<\/li>\n        <li><strong>Ballast &amp; cargo tanks<\/strong> &mdash; confined spaces where low dust and clear visibility matter.<\/li>\n        <li><strong>Decks &amp; superstructure<\/strong> &mdash; large flat areas needing consistent profile.<\/li>\n        <li><strong>Structural steel, bridges &amp; tanks<\/strong> &mdash; mill-scale removal ahead of heavy coatings.<\/li>\n        <li><strong>Offshore platforms<\/strong> &mdash; maintenance blasting in corrosive marine air.<\/li>\n      <\/ul>\n    <\/section>\n\n    <section class=\"gship__s\" id=\"gship-spec\">\n      <div class=\"gship__k\">Specification<\/div>\n      <h2>Standards &amp; Grade Selection<\/h2>\n      <p>Marine and structural coatings are typically specified to a cleanliness grade such as ISO 8501-1 Sa 2&frac12; (near-white) or SSPC-SP 10 \/ NACE No. 2, with a defined anchor profile. Grade selection follows:<\/p>\n      <div class=\"gship__tw\"><table><thead><tr><th>Task<\/th><th>Suggested Grade<\/th><th>Profile<\/th><\/tr><\/thead><tbody>\n        <tr><td><strong>Heavy scale \/ new fabrication<\/strong><\/td><td>20\/40<\/td><td>3.5&ndash;4.5 mil<\/td><\/tr>\n        <tr><td><strong>General hull &amp; structural prep<\/strong><\/td><td>30\/60<\/td><td>2.5&ndash;3.5 mil<\/td><\/tr>\n        <tr><td><strong>Thin-film \/ touch-up<\/strong><\/td><td>80<\/td><td>1.5&ndash;2.5 mil<\/td><\/tr>\n      <\/tbody><\/table><\/div>\n      <p>Match the grade to the coating spec with help from our <a href=\"https:\/\/hlh-js.com\/resource\/blog\/garnet-surface-profile-guide-achieving-the-right-mils-microns\/\" target=\"_blank\" rel=\"noopener\">surface profile guide<\/a> et <a href=\"https:\/\/hlh-js.com\/resource\/blog\/garnet-mesh-size-chart-how-to-choose-the-right-grade\/\" target=\"_blank\" rel=\"noopener\">mesh size chart<\/a>.<\/p>\n    <\/section>\n\n    <section class=\"gship__s\" id=\"gship-chloride\">\n      <div class=\"gship__k\">Critical Detail<\/div>\n      <h2>The Chloride Factor<\/h2>\n      <p>In marine and offshore work, soluble salts are a leading cause of premature coating failure &mdash; trapped chlorides draw moisture through the coating and trigger under-film corrosion. A low-chloride abrasive is therefore essential. Garnet&#8217;s typically low chloride content and low conductivity make it well suited to salt-sensitive marine coatings.<\/p>\n      <div class=\"gship__note\"><p><strong>Spec tip:<\/strong> always confirm the chloride figure on the certificate of analysis for marine and tank-lining work &mdash; it directly affects coating life.<\/p><\/div>\n    <\/section>\n\n    <section class=\"gship__s gship__faq\" id=\"gship-faq\">\n      <div class=\"gship__k\">Questions<\/div><h2>Questions fr\u00e9quemment pos\u00e9es<\/h2>\n      <details><summary>What garnet grade is best for shipbuilding?<\/summary><div><p>30\/60 is the general-purpose choice for hull and structural prep; use 20\/40 for heavy scale and 80 for thin-film or touch-up work.<\/p><\/div><\/details>\n      <details><summary>Why is low chloride important for marine blasting?<\/summary><div><p>Soluble salts trapped under coatings cause under-film corrosion and early failure, so a low-chloride abrasive like garnet helps coatings last longer.<\/p><\/div><\/details>\n      <details><summary>What cleanliness standard do ship coatings need?<\/summary><div><p>Most marine coatings specify near-white metal, ISO 8501-1 Sa 2&frac12; or SSPC-SP 10 \/ NACE No. 2, with a defined profile range.<\/p><\/div><\/details>\n    <\/section>\n\n    <section class=\"gship__cta\">\n      <h2>Reliable Garnet Supply for Shipyards &amp; Fabricators<\/h2>\n      <p>Jiangsu Henglihong Technology supplies low-chloride garnet in bulk and container quantities, graded to your coating spec. Request project pricing and a free sample.<\/p>\n      <a class=\"gship__btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Get a Quote &rarr;<\/a>\n    <\/section>\n    <p class=\"gship__meta\">Jiangsu Henglihong Technology Co., Ltd. \u00b7 Last updated June 2026<\/p>\n  <\/div>\n<\/div>\n\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Article\",\n    \"headline\": \"Garnet Blasting for Shipbuilding & Steel Structures\",\n    \"author\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\"\n    },\n    \"publisher\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n        \"url\": \"https:\\\/\\\/hlh-js.com\\\/\"\n    },\n    \"datePublished\": \"2026-06-01\",\n    \"dateModified\": \"2026-06-01\",\n    \"mainEntityOfPage\": {\n        \"@type\": \"WebPage\",\n        \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/garnet-blasting-for-shipbuilding-steel-structures\\\/\"\n    }\n}<\/script>\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What garnet grade is best for shipbuilding?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"30\\\/60 is the general-purpose choice for hull and structural prep; use 20\\\/40 for heavy scale and 80 for thin-film or touch-up work.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Why is low chloride important for marine blasting?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Soluble salts trapped under coatings cause under-film corrosion and early failure, so a low-chloride abrasive like garnet helps coatings last longer.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What cleanliness standard do ship coatings need?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Most marine coatings specify near-white metal, ISO 8501-1 Sa 2.5 or SSPC-SP 10 \\\/ NACE No. 2, with a defined profile range.\"\n            }\n        }\n    ]\n}<\/script>","protected":false},"excerpt":{"rendered":"<p>Industry Application \u00b7 Jiangsu Henglihong Technology Garnet Blasting for Shipbuilding  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":13299,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,177,138],"tags":[],"class_list":["post-13297","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-material","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts\/13297","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/comments?post=13297"}],"version-history":[{"count":3,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts\/13297\/revisions"}],"predecessor-version":[{"id":13318,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts\/13297\/revisions\/13318"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/media\/13299"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/media?parent=13297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/categories?post=13297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/tags?post=13297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}