{"id":7795,"date":"2026-07-19T11:55:38","date_gmt":"2026-07-19T10:55:38","guid":{"rendered":"https:\/\/www.abrasteel.com\/?p=7795"},"modified":"2026-08-10T08:29:16","modified_gmt":"2026-08-10T07:29:16","slug":"shipyard-grinding-discs","status":"publish","type":"post","link":"https:\/\/www.abrasteel.com\/en\/blog\/abrasive-discs\/shipyard-grinding-discs\/","title":{"rendered":"Shipyard grinding discs in 2026"},"content":{"rendered":"<article style=\"width:100%;max-width:1040px;box-sizing:border-box;margin:0 auto;padding:0 0 clamp(48px,10vw,80px);color:#232323;font-family:Manrope,Arial,sans-serif;font-size:clamp(16px,4vw,18px);line-height:1.68;overflow-wrap:anywhere;word-break:break-word;\">\n<header style=\"padding:clamp(14px,4vw,18px) 0 clamp(22px,6vw,28px);border-bottom:1px solid #e8ebef;margin-bottom:24px;\">\n<p style=\"margin:0 0 10px;color:#cc0000;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;\">Abrasive discs<\/p>\n<p style=\"max-width:900px;margin:0;color:#555f66;font-size:clamp(17px,4.4vw,20px);line-height:1.58;\">Technical guide for choosing <strong style=\"color:#111;font-weight:800;\">shipyard grinding discs<\/strong> for edge preparation, weld seam dressing and the removal of rust, slag and mill scale before welding.<\/p>\n<\/header>\n<nav aria-label=\"Table of contents\" style=\"margin:0 0 30px;padding:clamp(16px,4vw,20px) clamp(16px,5vw,22px);background:#ffffff;border:1px solid #e8ebef;border-top:3px solid #023a51;\">\n<p style=\"margin:0 0 12px;color:#023a51;font-size:15px;font-weight:800;text-transform:uppercase;\">Table of contents<\/p>\n<ol style=\"margin:0 0 0 22px;padding:0;font-size:clamp(16px,4vw,17px);line-height:1.62;\">\n<li style=\"margin:0 0 5px;padding-left:4px;\"><a style=\"color:#023a51;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"#claves-astilleros\">7 criteria for choosing shipyard grinding discs<\/a><\/li>\n<li style=\"margin:0 0 5px;padding-left:4px;\"><a style=\"color:#023a51;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"#aplicaciones-astilleros\">Grinding operations in the shipyard<\/a><\/li>\n<li style=\"margin:0 0 5px;padding-left:4px;\"><a style=\"color:#023a51;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"#errores-astilleros\">Common mistakes in shipyard grinding<\/a><\/li>\n<li style=\"margin:0 0 5px;padding-left:4px;\"><a style=\"color:#023a51;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"#productos-astilleros\">Abrasteel discs for shipyards<\/a><\/li>\n<li style=\"margin:0 0 5px;padding-left:4px;\"><a style=\"color:#023a51;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"#abrasteel-astilleros\">Abrasteel as a technical supplier for shipyards<\/a><\/li>\n<li style=\"margin:0;padding-left:4px;\"><a style=\"color:#023a51;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"#preguntas-frecuentes\">Frequently Asked Questions (FAQs)<\/a><\/li>\n<\/ol>\n<\/nav>\n<div style=\"margin:0 0 26px;\">\n<p style=\"margin:0 0 10px;\"><strong style=\"color:#111;font-weight:800;\">These are the 7 criteria we recommend reviewing:<\/strong><\/p>\n<ol style=\"margin:0 0 18px 24px;padding:0;\">\n<li style=\"margin:0 0 5px;padding-left:4px;\"><strong style=\"color:#111;font-weight:800;\">Material and hardness of naval steel, stainless or aluminium<\/strong><\/li>\n<li style=\"margin:0 0 5px;padding-left:4px;\"><strong style=\"color:#111;font-weight:800;\">Amount of material, rust or slag to remove<\/strong><\/li>\n<li style=\"margin:0 0 5px;padding-left:4px;\"><strong style=\"color:#111;font-weight:800;\">Type of burr and cutting or welding slag<\/strong><\/li>\n<li style=\"margin:0 0 5px;padding-left:4px;\"><strong style=\"color:#111;font-weight:800;\">Pressure and machine in confined spaces<\/strong><\/li>\n<li style=\"margin:0 0 5px;padding-left:4px;\"><strong style=\"color:#111;font-weight:800;\">Next phase: welding, shot blasting or marine paint<\/strong><\/li>\n<li style=\"margin:0 0 5px;padding-left:4px;\"><strong style=\"color:#111;font-weight:800;\">Disc service life in a marine environment<\/strong><\/li>\n<li style=\"margin:0;padding-left:4px;\"><strong style=\"color:#111;font-weight:800;\">Cost per operation versus unit price<\/strong><\/li>\n<\/ol><\/div>\n<p style=\"margin:0 0 18px;\">In a shipyard, grinding directly shapes the quality of the welded joint and the final finish of the hull. Before a naval plate, a structural profile or a stainless part moves on to the welding stage, you have to remove rust, mill scale and slag, level edges and dress weld seams. Choosing <strong style=\"color:#111;font-weight:800;\">shipyard grinding discs<\/strong> is not a minor purchasing decision: it sets the pace of work on the slipway, in the dry dock and in the prefabrication shop.<\/p>\n<p style=\"margin:0 0 18px;\">Naval work adds conditions that do not appear in a general workshop: a <strong style=\"color:#111;font-weight:800;\">marine environment<\/strong> with humidity and salinity, heavy-gauge plate, naval aluminium sensitive to heat, stainless that tolerates no <strong style=\"color:#111;font-weight:800;\">ferritic contamination<\/strong>, and many operations inside tanks, double bottoms or confined spaces with limited ventilation. Each of these variables changes the grinding disc that is worth using.<\/p>\n<p style=\"margin:0 0 18px;\">This post is not about purchasing logistics or reference supply, but about the <strong style=\"color:#111;font-weight:800;\">grinding operation<\/strong> itself: how to prepare edges, how to remove oxy-fuel or plasma slag, how to dress a weld seam without overheating, and how to protect the vessel&#8217;s stainless and aluminium. The focus is technical, not procurement. A buyer who understands the operation first will always specify the abrasive better than one who starts from the price list.<\/p>\n<p style=\"margin:0 0 22px;\">Grinding and cutting are different operations and it is worth deciding them separately: the grinding disc removes material and dresses, the cutting disc separates. For the plate and profile sectioning phase, review the <a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.abrasteel.com\/blog\/discos-abrasivos\/discos-corte-astilleros\/\">cutting discs for shipyards<\/a> separately; this article focuses only on the <strong style=\"color:#111;font-weight:800;\">stock removal and dressing<\/strong> phase that comes before welding or finishing.<\/p>\n<figure style=\"margin:24px 0 30px;padding:14px;background:#f9fafb;border:1px solid #e8ebef;\">\n    <img decoding=\"async\" style=\"display:block;width:100%;height:auto;aspect-ratio:3\/2;object-fit:contain;background:#ffffff;\" src=\"https:\/\/www.abrasteel.com\/images\/disco-desbaste-basic.jpg\" alt=\"Abrasteel grinding disc for naval plate preparation in shipyards\"><figcaption style=\"margin:10px 0 0;color:#555f66;font-size:15px;\">Grinding in shipyards prepares naval plate and dresses weld seams before welding or applying marine paint.<\/figcaption><\/figure>\n<h2 id=\"claves-astilleros\" style=\"margin:clamp(38px,9vw,54px) 0 18px;padding-bottom:10px;border-bottom:2px solid #e8ebef;color:#023a51;font-size:clamp(24px,6vw,30px);line-height:1.18;font-weight:700;\">7 criteria for choosing shipyard grinding discs<\/h2>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">1. Material and hardness of naval steel, stainless or aluminium<\/h3>\n<p style=\"margin:0 0 16px;\">The disc behaves very differently across <strong style=\"color:#111;font-weight:800;\">naval steel<\/strong>, accommodation stainless and superstructure aluminium. On steel plate you want stock removal and robustness; on stainless you avoid contaminating and overheating; on naval aluminium you have to prevent the abrasive from loading up. The selection has to start from the vessel&#8217;s dominant material and from the special sections that tolerate no <strong style=\"color:#111;font-weight:800;\">ferritic contamination<\/strong>.<\/p>\n<p style=\"margin:0 0 16px;\">Hardness also decides how the wheel feels in the operator&#8217;s hands and how it wears. A disc matched to the alloy removes material at a steady rate instead of glazing or forcing the operator to lean on the tool, which is exactly what raises heat and consumption on a long naval job.<\/p>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">2. Amount of material, rust or slag to remove<\/h3>\n<p style=\"margin:0 0 16px;\">Removing a thin layer of rolling <strong style=\"color:#111;font-weight:800;\">mill scale<\/strong> is not the same as grinding down excess deposit on a heavy-gauge weld seam. For heavy stock removal on thick plate it is worth prioritising removal capacity and endurance; for light rust cleaning before welding a gentler pass may be enough, or even a <a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.abrasteel.com\/en\/abrasive-discs\/clean-strip-discs\/\">Clean Strip<\/a> solution.<\/p>\n<p style=\"margin:0 0 16px;\">Defining how much material must disappear before choosing avoids reaching for an aggressive <strong style=\"color:#111;font-weight:800;\">grinding<\/strong> reference when the job only needs surface conditioning. Over-specifying the abrasive wastes consumable and adds heat where the hull can least afford it.<\/p>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">3. Type of burr and cutting or welding slag<\/h3>\n<p style=\"margin:0 0 16px;\">Oxy-fuel <strong style=\"color:#111;font-weight:800;\">slag<\/strong> is hard and firmly attached; plasma slag is finer but tough; a welding <strong style=\"color:#111;font-weight:800;\">burr<\/strong> combines spatter and excess build-up. Each origin calls for a disc that bites safely without bouncing. Identifying where the burr comes from avoids wasting abrasive and reduces the risk of leaving defects that the weld seam inspection later rejects.<\/p>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">4. Pressure and machine in confined spaces<\/h3>\n<p style=\"margin:0 0 16px;\">A large share of naval grinding happens in tanks, double bottoms and cells with <strong style=\"color:#111;font-weight:800;\">limited ventilation<\/strong> and awkward posture. A disc that only performs under heavy pressure generates fatigue, vibration and heat exactly where they dissipate worst; the repeated exposure it creates is the reason hand-held tool work is covered by dedicated <a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.hse.gov.uk\/vibration\/hav\/index.htm\" target=\"_blank\" rel=\"noopener nofollow\">hand-arm vibration guidance<\/a>. In these jobs a regular response and good spark and dust control matter, because the operator repeats the operation many times in the same closed space.<\/p>\n<p style=\"margin:0 0 16px;\">Machine choice matters as much as the abrasive. The grinder, guard and wheel have to stay matched and safely mounted, following the practice set out for the <a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.hse.gov.uk\/pubns\/priced\/hsg17.pdf\" target=\"_blank\" rel=\"noopener nofollow\">safe use of abrasive wheels<\/a>. A stable disc that feeds without being forced improves ergonomics and keeps results repeatable between shifts working the same compartment.<\/p>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">5. Next phase: welding, shot blasting or marine paint<\/h3>\n<p style=\"margin:0 0 16px;\">Grinding is almost never the end: after it comes welding, <strong style=\"color:#111;font-weight:800;\">shot blasting<\/strong> or the application of marine paint. If the disc leaves deep grooves or overheats, it complicates weld seam fit-up and penalises the adhesion of the protective system. Choosing with the next phase in mind reduces rework and avoids defects that are very expensive to repair on a marine hull.<\/p>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">6. Disc service life in a marine environment<\/h3>\n<p style=\"margin:0 0 16px;\"><strong style=\"color:#111;font-weight:800;\">Service life<\/strong> has to be weighed together with the stability of the cut. A disc that lasts a long time but grinds slowly stretches every operation; one that removes fast but wears unevenly forces constant changes in the middle of a job. On the slipway or in the dry dock, every disc change means moving around and stopping, so a reference that holds its performance across most of its life is what pays off.<\/p>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">7. Cost per operation versus unit price<\/h3>\n<p style=\"margin:0 0 16px;\">In shipbuilding the cost is calculated per metre of prepared weld seam and per accepted part, not per disc bought. You have to add up consumption, time, energy, rework, downtime and <strong style=\"color:#111;font-weight:800;\">safety<\/strong> in confined spaces. The best disc for a shipyard is usually the one that reduces variability and reprocessing, even if it is not the cheapest in the box.<\/p>\n<h2 id=\"aplicaciones-astilleros\" style=\"margin:clamp(38px,9vw,54px) 0 18px;padding-bottom:10px;border-bottom:2px solid #e8ebef;color:#023a51;font-size:clamp(24px,6vw,30px);line-height:1.18;font-weight:700;\">Grinding operations in the shipyard<\/h2>\n<p style=\"margin:0 0 16px;\">Naval grinding is not a single task but a set of operations spread across the prefabrication shop, the slipway and the dry dock. Preparing plate edges, removing <strong style=\"color:#111;font-weight:800;\">mill scale<\/strong> and rust, levelling before welding and dressing weld seams are different jobs, with different demands for removal and control. Ordering them by phase helps assign the right disc to each point in the process.<\/p>\n<p style=\"margin:0 0 16px;\">The table below summarises typical shipyard operations, the <strong style=\"color:#111;font-weight:800;\">common problem<\/strong> attached to each and the abrasive decision that usually fits. It is a starting guide to order consumption by phase, not a closed recipe: every vessel and every material fine-tunes the final choice.<\/p>\n<div style=\"overflow-x:auto;margin:24px 0;border:1px solid #e8ebef;\">\n<table style=\"width:100%;min-width:680px;border-collapse:collapse;background:#fff;\">\n<thead>\n<tr>\n<th style=\"padding:14px;background:#023a51;color:#fff;text-align:left;font-weight:800;border-bottom:1px solid #e8ebef;\">Shipyard operation<\/th>\n<th style=\"padding:14px;background:#023a51;color:#fff;text-align:left;font-weight:800;border-bottom:1px solid #e8ebef;\">Common problem<\/th>\n<th style=\"padding:14px;background:#023a51;color:#fff;text-align:left;font-weight:800;border-bottom:1px solid #e8ebef;\">Abrasive decision<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:14px;border-bottom:1px solid #e8ebef;vertical-align:top;\">Plate edge preparation<\/td>\n<td style=\"padding:14px;border-bottom:1px solid #e8ebef;vertical-align:top;\">Irregular bevel or oxy-fuel slag.<\/td>\n<td style=\"padding:14px;border-bottom:1px solid #e8ebef;vertical-align:top;\">Robust grinding for removal and bevelling.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:14px;border-bottom:1px solid #e8ebef;vertical-align:top;\">Mill scale and rust removal<\/td>\n<td style=\"padding:14px;border-bottom:1px solid #e8ebef;vertical-align:top;\">Attached layer before welding or painting.<\/td>\n<td style=\"padding:14px;border-bottom:1px solid #e8ebef;vertical-align:top;\">Light grinding or Clean Strip by thickness.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:14px;border-bottom:1px solid #e8ebef;vertical-align:top;\">Weld seam dressing<\/td>\n<td style=\"padding:14px;border-bottom:1px solid #e8ebef;vertical-align:top;\">Excess build-up or spatter.<\/td>\n<td style=\"padding:14px;border-bottom:1px solid #e8ebef;vertical-align:top;\">Controlled grinding without biting the base metal.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:14px;vertical-align:top;\">Work on accommodation stainless<\/td>\n<td style=\"padding:14px;vertical-align:top;\">Risk of ferritic contamination.<\/td>\n<td style=\"padding:14px;vertical-align:top;\">Disc dedicated to stainless, never shared with steel.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">Edge preparation in plate and structural profile<\/h3>\n<p style=\"margin:0 0 16px;\"><strong style=\"color:#111;font-weight:800;\">Edge preparation<\/strong> is one of the operations that most conditions the final joint. A poorly levelled bevel, with attached oxy-fuel slag or an irregular arris, forces the welder to compensate and increases the risk of lack of fusion. Grinding has to leave the edge clean and with the intended geometry, without removing more material than necessary or reheating the zone of the future weld seam.<\/p>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">Weld seam dressing and levelling before welding<\/h3>\n<p style=\"margin:0 0 16px;\">Dressing a <strong style=\"color:#111;font-weight:800;\">weld seam<\/strong> demands a fine balance: removing excess build-up and spatter without biting the base metal or leaving notches. On root passes and on joints headed for inspection, grinding that is too aggressive can create defects where there were none. Levelling before welding the next pass improves penetration and reduces the repairs picked up by magnetic-particle or ultrasonic testing.<\/p>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">Naval stainless and aluminium without contamination<\/h3>\n<p style=\"margin:0 0 16px;\">On sections of accommodation <strong style=\"color:#111;font-weight:800;\">stainless<\/strong> or naval aluminium, the main criterion is not to contaminate. Sharing a disc between carbon steel and stainless leaves ferritic particles that later rust and stain the surface. On aluminium, heat and abrasive loading are the problem. The practical rule is to reserve dedicated discs by material and to control <strong style=\"color:#111;font-weight:800;\">overheating<\/strong> with moderate pressure.<\/p>\n<h2 id=\"errores-astilleros\" style=\"margin:clamp(38px,9vw,54px) 0 18px;padding-bottom:10px;border-bottom:2px solid #e8ebef;color:#023a51;font-size:clamp(24px,6vw,30px);line-height:1.18;font-weight:700;\">Common mistakes in shipyard grinding<\/h2>\n<p style=\"margin:0 0 16px;\">The most repeated mistake in naval work is using the same carbon-steel disc on <strong style=\"color:#111;font-weight:800;\">naval stainless<\/strong>. The ferritic contamination is not always visible at the moment, but it appears weeks later as spots of rust that ruin a finish thought to be complete and force reprocessing in hard-to-reach areas of the vessel.<\/p>\n<p style=\"margin:0 0 16px;\">The second common failure is <strong style=\"color:#111;font-weight:800;\">overheating<\/strong> the part through excess pressure, especially on aluminium and thin stainless sections. Heat discolours, distorts and changes the joint&#8217;s properties, and in confined spaces it aggravates the operator&#8217;s exposure to dust and fume. A suitable disc with controlled pressure almost always solves the job better than forcing the machine, which is why the safe mounting and use of the wheel deserves as much attention as the abrasive itself.<\/p>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">Biting the base metal when dressing the weld seam<\/h3>\n<p style=\"margin:0 0 16px;\">When dressing a weld seam, overdoing the removal creates notches and reduces the useful thickness of the joint. On a marine hull, that loss of material can turn a sound seam into a weak point. It is worth working with a controlled angle and a disc suited to the real <strong style=\"color:#111;font-weight:800;\">excess build-up<\/strong>, checking the surface before signing off the operation.<\/p>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">Ignoring ventilation in confined spaces<\/h3>\n<p style=\"margin:0 0 16px;\">Grinding in tanks and double bottoms without enough <strong style=\"color:#111;font-weight:800;\">ventilation<\/strong> concentrates dust, spark and fume in a closed volume. Beyond the health risk, the loaded atmosphere reduces visibility and control, which increases defects. The choice of abrasive has to go together with extraction, respiratory protection, organised work fronts and machinery guarded to the level required by the <a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.215\" target=\"_blank\" rel=\"noopener nofollow\">abrasive wheel machinery standard<\/a>, so that no compartment ends up crowded with operators.<\/p>\n<h3 style=\"margin:26px 0 8px;color:#023a51;font-size:clamp(20px,5.2vw,22px);line-height:1.25;font-weight:800;\">Using grinding to hide a bad previous cut<\/h3>\n<p style=\"margin:0 0 16px;\">Sometimes grinding is used to correct a poor-quality oxy-fuel or plasma cut. The disc solves the symptom but not the origin, and consumes time and abrasive out of all proportion. If the <strong style=\"color:#111;font-weight:800;\">slag<\/strong> or the deficient bevel always shows up at the same point, it is worth reviewing the cutting phase before continuing to compensate with more grinding on every part.<\/p>\n<h2 id=\"productos-astilleros\" style=\"margin:clamp(38px,9vw,54px) 0 18px;padding-bottom:10px;border-bottom:2px solid #e8ebef;color:#023a51;font-size:clamp(24px,6vw,30px);line-height:1.18;font-weight:700;\">Abrasteel discs for shipyards<\/h2>\n<div style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:18px;margin:24px 0;\">\n<div style=\"border:1px solid #e8ebef;background:#fff;padding:16px;\"><img decoding=\"async\" style=\"display:block;width:100%;height:clamp(150px,44vw,185px);object-fit:contain;background:#f9fafb;margin:0 0 14px;\" src=\"https:\/\/www.abrasteel.com\/images\/disco-desbaste-basic.jpg\" alt=\"Abrasteel grinding disc for naval plate\"><\/p>\n<h3 style=\"margin:0 0 8px;color:#023a51;font-size:clamp(19px,5vw,21px);line-height:1.25;font-weight:800;\">Grinding discs<\/h3>\n<p style=\"margin:0 0 10px;color:#555f66;font-size:16px;line-height:1.55;\">Family for <strong style=\"color:#111;font-weight:800;\">edge preparation<\/strong>, weld seam dressing and slag removal on naval steel.<\/p>\n<p style=\"margin:0;\"><a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.abrasteel.com\/en\/abrasive-discs\/rough-discs\/\">View family<\/a><\/p>\n<\/div>\n<div style=\"border:1px solid #e8ebef;background:#fff;padding:16px;\"><img decoding=\"async\" style=\"display:block;width:100%;height:clamp(150px,44vw,185px);object-fit:contain;background:#f9fafb;margin:0 0 14px;\" src=\"https:\/\/www.abrasteel.com\/images\/disco-de-corte-top-aleaciones-hierro-acero-inoxidable.webp\" alt=\"Abrasteel cutting disc for sectioning plate and profile in shipyards\"><\/p>\n<h3 style=\"margin:0 0 8px;color:#023a51;font-size:clamp(19px,5vw,21px);line-height:1.25;font-weight:800;\">Cutting discs<\/h3>\n<p style=\"margin:0 0 10px;color:#555f66;font-size:16px;line-height:1.55;\">For <strong style=\"color:#111;font-weight:800;\">sectioning plate and profile<\/strong> before the grinding and dressing phase.<\/p>\n<p style=\"margin:0;\"><a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.abrasteel.com\/blog\/discos-abrasivos\/discos-corte-astilleros\/\">View cutting for shipyards<\/a><\/p>\n<\/div>\n<div style=\"border:1px solid #e8ebef;background:#fff;padding:16px;\"><img decoding=\"async\" style=\"display:block;width:100%;height:clamp(150px,44vw,185px);object-fit:contain;background:#f9fafb;margin:0 0 14px;\" src=\"https:\/\/www.abrasteel.com\/images\/disco-de-corte-xtrem-para-aceros-inoxidables.jpg\" alt=\"Abrasteel disc for naval stainless without ferritic contamination\"><\/p>\n<h3 style=\"margin:0 0 8px;color:#023a51;font-size:clamp(19px,5vw,21px);line-height:1.25;font-weight:800;\">Solution for naval stainless<\/h3>\n<p style=\"margin:0 0 10px;color:#555f66;font-size:16px;line-height:1.55;\">Reference dedicated to stainless to avoid <strong style=\"color:#111;font-weight:800;\">ferritic contamination<\/strong> in accommodation.<\/p>\n<p style=\"margin:0;\"><a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.abrasteel.com\/en\/abrasive-discs\/rough-discs\/\">View family<\/a><\/p>\n<\/div><\/div>\n<p style=\"margin:0 0 16px;\">To review the full range of <a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.abrasteel.com\/en\/abrasive-discs\/rough-discs\/\">Abrasteel grinding discs<\/a> and combine it with <a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.abrasteel.com\/en\/abrasive-discs\/blade-discs\/\">flap discs<\/a> for fine levelling, it is worth ordering the references by operation. You can also download the <a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.abrasteel.com\/wp-content\/uploads\/2022\/06\/Catalogo2017.pdf\">full catalogue<\/a> to compare formats before fixing the shipyard&#8217;s <strong style=\"color:#111;font-weight:800;\">consumption per phase<\/strong>.<\/p>\n<h2 id=\"abrasteel-astilleros\" style=\"margin:clamp(38px,9vw,54px) 0 18px;padding-bottom:10px;border-bottom:2px solid #e8ebef;color:#023a51;font-size:clamp(24px,6vw,30px);line-height:1.18;font-weight:700;\">Abrasteel as a technical supplier for shipyards<\/h2>\n<p style=\"margin:0 0 16px;\">Abrasteel supplies abrasives for cutting, grinding, sanding, cleaning and finishing metals, and works with naval construction and repair from a technical criterion, not just from price. In a shipyard, the advantage lies in choosing the abrasive by operation (edge preparation, <strong style=\"color:#111;font-weight:800;\">mill scale<\/strong> removal, weld seam dressing, accommodation stainless) instead of buying loose consumables without any order.<\/p>\n<p style=\"margin:0 0 16px;\">We can help review materials, machines, cutting slag, <strong style=\"color:#111;font-weight:800;\">confined space<\/strong> conditions and finishing targets before shot blasting or marine paint. With that information a technical and stable selection is defined for the prefabrication shop, the slipway and the dry dock. To set out a specific case, the technical team can be reached through the <a style=\"color:#cc0000;font-weight:700;text-decoration:underline;text-underline-offset:3px;\" href=\"https:\/\/www.abrasteel.com\/en\/contact\/\">contact<\/a> page.<\/p>\n<h2 id=\"preguntas-frecuentes\" style=\"margin:clamp(38px,9vw,54px) 0 18px;padding-bottom:10px;border-bottom:2px solid #e8ebef;color:#023a51;font-size:clamp(24px,6vw,30px);line-height:1.18;font-weight:700;\">Frequently Asked Questions (FAQs)<\/h2>\n<div style=\"margin:0 0 28px;border-top:1px solid #e8ebef;\">\n<details open style=\"border-bottom:1px solid #e8ebef;background:#ffffff;\">\n<summary style=\"cursor:pointer;list-style-position:outside;padding:16px 0;color:#023a51;font-size:clamp(18px,4.8vw,21px);line-height:1.25;font-weight:800;\">Which grinding disc is best for naval plate?<\/summary>\n<div style=\"padding:0 0 16px;color:#232323;\">\n<p style=\"margin:0;\">For naval steel plate you prioritise stock removal and robustness, because you have to remove mill scale, rust and oxy-fuel slag before welding. The choice depends on the thickness, on the excess build-up to grind down and on the finish required by the later welding or marine paint phase.<\/p>\n<\/div>\n<\/details>\n<details style=\"border-bottom:1px solid #e8ebef;background:#ffffff;\">\n<summary style=\"cursor:pointer;list-style-position:outside;padding:16px 0;color:#023a51;font-size:clamp(18px,4.8vw,21px);line-height:1.25;font-weight:800;\">How do I avoid ferritic contamination when grinding naval stainless?<\/summary>\n<div style=\"padding:0 0 16px;color:#232323;\">\n<p style=\"margin:0;\">By reserving discs dedicated only to stainless and never sharing them with carbon steel. The ferritic particles deposited by a shared disc rust later and stain the stainless surface, a defect that is costly to correct in accommodation or in hard-to-reach areas of the vessel.<\/p>\n<\/div>\n<\/details>\n<details style=\"border-bottom:1px solid #e8ebef;background:#ffffff;\">\n<summary style=\"cursor:pointer;list-style-position:outside;padding:16px 0;color:#023a51;font-size:clamp(18px,4.8vw,21px);line-height:1.25;font-weight:800;\">What precautions does grinding in confined spaces require?<\/summary>\n<div style=\"padding:0 0 16px;color:#232323;\">\n<p style=\"margin:0;\">Enough ventilation and extraction, respiratory protection and organised work fronts so that operators do not pile up in the same tank or double bottom. The disc should generate little heat and control spark and dust, because in a closed volume a loaded atmosphere reduces visibility, control and safety.<\/p>\n<\/div>\n<\/details>\n<details style=\"border-bottom:1px solid #e8ebef;background:#ffffff;\">\n<summary style=\"cursor:pointer;list-style-position:outside;padding:16px 0;color:#023a51;font-size:clamp(18px,4.8vw,21px);line-height:1.25;font-weight:800;\">Is a grinding disc the same as a cutting disc for shipyards?<\/summary>\n<div style=\"padding:0 0 16px;color:#232323;\">\n<p style=\"margin:0;\">No. The grinding disc works on the face to remove material, prepare edges and dress weld seams; the cutting disc separates plate and profile. They are different operations and it is worth deciding them separately. For sectioning, review the specific content on cutting discs for shipyards.<\/p>\n<\/div>\n<\/details>\n<details style=\"border-bottom:1px solid #e8ebef;background:#ffffff;\">\n<summary style=\"cursor:pointer;list-style-position:outside;padding:16px 0;color:#023a51;font-size:clamp(18px,4.8vw,21px);line-height:1.25;font-weight:800;\">How do I dress a weld seam without weakening the joint?<\/summary>\n<div style=\"padding:0 0 16px;color:#232323;\">\n<p style=\"margin:0;\">By working with a controlled angle and a disc suited to the real excess build-up, to remove spatter and excess deposit without biting the base metal or creating notches. Dressing that is too aggressive reduces the useful thickness of the seam and can generate a weak point in the hull.<\/p>\n<\/div>\n<\/details>\n<details style=\"border-bottom:1px solid #e8ebef;background:#ffffff;\">\n<summary style=\"cursor:pointer;list-style-position:outside;padding:16px 0;color:#023a51;font-size:clamp(18px,4.8vw,21px);line-height:1.25;font-weight:800;\">How do I protect naval aluminium during grinding?<\/summary>\n<div style=\"padding:0 0 16px;color:#232323;\">\n<p style=\"margin:0;\">By controlling heat and abrasive loading, with moderate pressure and a disc designed for soft materials. Aluminium distorts and discolours easily, and an abrasive shared with steel leaves residues that later stain. As with stainless, it is worth reserving a dedicated disc and avoiding overheating.<\/p>\n<\/div>\n<\/details>\n<\/div>\n<div data-abrasteel-sticky-cta=\"true\" aria-label=\"Acciones r\u00e1pidas de Abrasteel\" style=\"position:fixed;right:max(12px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom));z-index:9999;width:min(260px,calc(100vw - 24px));max-height:calc(54vh - 24px);background:#ffffff;border:1px solid rgba(2,58,81,.16);box-shadow:0 18px 44px rgba(2,58,81,.20);overflow:auto;\">\n<div style=\"height:6px;background:linear-gradient(90deg,#cc0000 0%,#cc0000 38%,#023a51 38%,#023a51 100%);\"><\/div>\n<p><button type=\"button\" aria-label=\"Cerrar aviso\" onclick=\"this.closest('[data-abrasteel-sticky-cta]').style.display='none';\" style=\"position:absolute;top:10px;right:10px;z-index:2;width:32px;height:32px;border:1px solid #e8ebef;background:#ffffff;color:#023a51;font-size:18px;line-height:1;font-weight:800;cursor:pointer;\">x<\/button><\/p>\n<div style=\"padding:clamp(12px,3.5vw,16px) clamp(12px,3.5vw,16px) clamp(10px,3vw,14px);\">\n<p style=\"margin:0 0 6px;color:#cc0000;font-size:13px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;\">Abrasteel advice<\/p>\n<p style=\"margin:0 0 8px;color:#023a51;font-size:clamp(18px,4.8vw,20px);line-height:1.18;font-weight:800;\">Grinding for shipyards?<\/p>\n<p style=\"margin:0 0 12px;color:#555f66;font-size:clamp(14px,4vw,16px);line-height:1.45;\">We help you choose the disc by naval operation.<\/p>\n<\/div>\n<p><a style=\"display:block;padding:clamp(11px,3.2vw,13px) 14px;background:#cc0000;color:#fff;font-size:clamp(14px,3.8vw,15px);font-weight:800;text-align:center;text-decoration:none;\" href=\"https:\/\/www.abrasteel.com\/en\/contact\/\">Request technical help<\/a><a style=\"display:block;padding:clamp(11px,3.2vw,13px) 14px;background:#000;color:#fff;font-size:clamp(14px,3.8vw,15px);font-weight:800;text-align:center;text-decoration:none;\" href=\"https:\/\/www.abrasteel.com\/wp-content\/uploads\/2022\/06\/Catalogo2017.pdf\" target=\"_blank\" rel=\"noopener\">Download catalogue<\/a><\/div>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Technical guide to choosing shipyard grinding discs for naval steel, stainless and aluminium: edge preparation, weld dressing and rust removal on site.<\/p>\n","protected":false},"author":1,"featured_media":4284,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[178],"tags":[],"class_list":["post-7795","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-abrasive-discs"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.abrasteel.com\/en\/wp-json\/wp\/v2\/posts\/7795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.abrasteel.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.abrasteel.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.abrasteel.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.abrasteel.com\/en\/wp-json\/wp\/v2\/comments?post=7795"}],"version-history":[{"count":2,"href":"https:\/\/www.abrasteel.com\/en\/wp-json\/wp\/v2\/posts\/7795\/revisions"}],"predecessor-version":[{"id":8574,"href":"https:\/\/www.abrasteel.com\/en\/wp-json\/wp\/v2\/posts\/7795\/revisions\/8574"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.abrasteel.com\/en\/wp-json\/wp\/v2\/media\/4284"}],"wp:attachment":[{"href":"https:\/\/www.abrasteel.com\/en\/wp-json\/wp\/v2\/media?parent=7795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.abrasteel.com\/en\/wp-json\/wp\/v2\/categories?post=7795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.abrasteel.com\/en\/wp-json\/wp\/v2\/tags?post=7795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}