{"product_id":"stainless-steel-sheet-bright-polish-1-2mm-thick-many-size-grade-a2-304-l50-450mm","title":"Stainless Steel Sheet Bright Polish 1.2mm Thick Many Size Grade A2 304 L50-450mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003e304 Stainless Steel Sheet 1.2mm — Bright Polish Finish, Cut-Ready for DIY \u0026amp; Fabrication\u003c\/h2\u003e\n\u003cp\u003eWhen your project demands a flat metal surface that resists rust, holds its shape, and looks sharp straight out of the pack, finding the right sheet in the right size is half the battle. Whether you're a home workshop enthusiast, a maker, or a tradesperson tackling a repair, these 304 stainless steel sheets in a bright polish finish give you a reliable starting point without the guesswork of cutting down oversized stock.\u003c\/p\u003e\n\u003cp\u003eEach sheet is cut from Grade A2 304 stainless steel — one of the most widely used corrosion-resistant alloys — at a consistent 1.2mm thickness (approximately 0.047 in). Sizes range from 50mm × 50mm (≈2\" × 2\") up to 450mm × 450mm (≈17.7\" × 17.7\"), with both square and rectangular options available. The bright polished surface provides a smooth, reflective finish that is clean to handle and ready for further processing or direct use.\u003c\/p\u003e\n\u003cp\u003eTypical applications include fabricating splash-back panels and kitchen liners, creating custom brackets and repair plates, building enclosure covers for electronics or HVAC ducting, and producing decorative inlays for furniture or cabinetry. The consistent 1.2mm gauge makes these sheets well-suited for light-duty structural use, forming, and drilling without specialist tooling.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔧\u003c\/span\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Suitable for general fabrication, welding (TIG\/MIG), drilling, and bending. Compatible with standard metal-cutting tools including angle grinders, jigsaws with metal blades, and tin snips for thinner cuts. Works with most adhesives and fasteners rated for stainless steel.\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These 304 Stainless Steel Sheets\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003eGrade A2 304 Alloy\u003c\/strong\u003e — Contains 18% chromium and 8% nickel, giving it strong resistance to oxidation, moisture, and mild chemical exposure without surface coatings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✨\u003c\/span\u003e\u003cstrong\u003eBright Polished Finish\u003c\/strong\u003e — Smooth, reflective surface finish that is clean to handle, free of mill scale, and ready for immediate use or further surface treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cstrong\u003eConsistent 1.2mm Thickness\u003c\/strong\u003e — Uniform gauge across the full sheet area ensures predictable bending radii, drilling results, and load distribution in light structural applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🗂️\u003c\/span\u003e\u003cstrong\u003e13 Size Options in One Listing\u003c\/strong\u003e — From compact 50mm × 50mm tiles to 450mm × 450mm panels, with rectangular options for asymmetric layouts — select exactly what your project needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cstrong\u003eMulti-Pack Quantities Available\u003c\/strong\u003e — Choose 1, 2, 4, or 8 pieces per order to match your project scope and reduce per-unit cost on repeat tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e\u003cstrong\u003eWorkshop-Ready, No Pre-Treatment Needed\u003c\/strong\u003e — Sheets arrive degreased and polished; no descaling or surface prep required before cutting, drilling, or bonding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Stainless Steel Sheet\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eGrade A2 304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e1.2mm (approx. 0.047 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Sizes (L × W)\u003c\/th\u003e\n\u003ctd\u003e50×50, 100×50, 100×100, 150×150, 200×100, 200×200, 250×250, 300×200, 300×300, 350×350, 400×300, 400×400, 450×450 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBright Polish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade Standard\u003c\/th\u003e\n\u003ctd\u003eA2 \/ 304 (18\/8 Cr-Ni)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChromium Content\u003c\/th\u003e\n\u003ctd\u003eTypically 17.5–19.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNickel Content\u003c\/th\u003e\n\u003ctd\u003eTypically 8–10.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003eTypically 515–720 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity Options\u003c\/th\u003e\n\u003ctd\u003e1, 2, 4, or 8 pieces per order (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight per Sheet\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Treatment\u003c\/th\u003e\n\u003ctd\u003eDegreased, bright polished — no further prep required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeldability\u003c\/th\u003e\n\u003ctd\u003eTIG and MIG compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat size should I choose for a repair patch or backing plate?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMeasure the area you need to cover and add at least 10–15mm overlap on each edge for fastening or bonding. For example, a 80mm × 80mm hole would be well covered by the 100mm × 100mm sheet. If you need an irregular shape, choose the next size up and trim with an angle grinder or jigsaw fitted with a metal-cutting blade.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs 1.2mm thick stainless steel strong enough for structural use?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAt 1.2mm, these sheets are suited for light-duty structural applications such as brackets, cover plates, and reinforcement strips where the sheet is supported or fastened at multiple points. They are not intended for load-bearing spans without additional support. For heavier structural work, consider thicker gauges (2mm+).\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWill this sheet rust or corrode outdoors?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eGrade 304 stainless steel offers good resistance to atmospheric corrosion, rain, and humidity in most outdoor environments. It is not fully immune in coastal or high-chloride environments where Grade 316 is recommended. For inland or sheltered outdoor use, 304 performs reliably without additional coating.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I cut these sheets with standard workshop tools?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. At 1.2mm thickness, these sheets can be cut with an angle grinder fitted with a thin stainless-rated cutting disc, a jigsaw with a bi-metal blade, or heavy-duty tin snips for straight cuts on smaller pieces. Always use cutting fluid or lubricant to extend blade life and reduce heat discolouration on the polished surface.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eAre these sheets compatible with welding?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Grade 304 stainless steel is fully TIG and MIG weldable. Use 308L filler wire for TIG welding and a 308L or 309L wire for MIG. Back-purging is recommended for visible joints to prevent oxidation on the reverse face. The bright polished finish will be affected in the heat-affected zone and may require re-polishing after welding.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose between the rectangular and square size options?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eSquare options (e.g. 100×100, 200×200) work well for symmetrical covers, tiles, and patches. Rectangular options (e.g. 200×100, 300×200, 400×300) are better suited for elongated slots, duct covers, or applications where one dimension is constrained. If you need a custom shape, choose the smallest sheet that fully contains your required outline to minimise waste.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhy are multi-pack quantities available, and which should I order?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMulti-packs (2, 4, or 8 pieces) are offered for projects requiring multiple identical pieces — such as tiling a surface, making matching brackets, or keeping spares on hand. Ordering in a pack is more cost-effective per sheet than placing separate single orders. If you only need one piece for a one-off repair, the single-piece option keeps your cost minimal.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-cta\"\u003e\n🛒 Select your size and quantity above, then add to cart.\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What size should I choose for a repair patch or backing plate?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the area you need to cover and add at least 10–15mm overlap on each edge for fastening or bonding. For example, a 80mm × 80mm hole would be well covered by the 100mm × 100mm sheet. If you need an irregular shape, choose the next size up and trim with an angle grinder or jigsaw fitted with a metal-cutting blade.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is 1.2mm thick stainless steel strong enough for structural use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"At 1.2mm, these sheets are suited for light-duty structural applications such as brackets, cover plates, and reinforcement strips where the sheet is supported or fastened at multiple points. They are not intended for load-bearing spans without additional support. For heavier structural work, consider thicker gauges (2mm+).\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this sheet rust or corrode outdoors?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Grade 304 stainless steel offers good resistance to atmospheric corrosion, rain, and humidity in most outdoor environments. It is not fully immune in coastal or high-chloride environments where Grade 316 is recommended. For inland or sheltered outdoor use, 304 performs reliably without additional coating.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I cut these sheets with standard workshop tools?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. At 1.2mm thickness, these sheets can be cut with an angle grinder fitted with a thin stainless-rated cutting disc, a jigsaw with a bi-metal blade, or heavy-duty tin snips for straight cuts on smaller pieces. Always use cutting fluid or lubricant to extend blade life and reduce heat discolouration on the polished surface.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these sheets compatible with welding?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Grade 304 stainless steel is fully TIG and MIG weldable. Use 308L filler wire for TIG welding and a 308L or 309L wire for MIG. Back-purging is recommended for visible joints to prevent oxidation on the reverse face. The bright polished finish will be affected in the heat-affected zone and may require re-polishing after welding.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose between the rectangular and square size options?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Square options (e.g. 100×100, 200×200) work well for symmetrical covers, tiles, and patches. Rectangular options (e.g. 200×100, 300×200, 400×300) are better suited for elongated slots, duct covers, or applications where one dimension is constrained. If you need a custom shape, choose the smallest sheet that fully contains your required outline to minimise waste.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why are multi-pack quantities available, and which should I order?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Multi-packs (2, 4, or 8 pieces) are offered for projects requiring multiple identical pieces — such as tiling a surface, making matching brackets, or keeping spares on hand. Ordering in a pack is more cost-effective per sheet than placing separate single orders. If you only need one piece for a one-off repair, the single-piece option keeps your cost minimal.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"50mm X 50mm X 1.2mm \/ 4","offer_id":52379015708946,"sku":"WWLFABGQJDWW42x1","price":20.66,"currency_code":"USD","in_stock":true},{"title":"100mm X 50mm X 1.2mm \/ 2","offer_id":52379015741714,"sku":"WWLFABGQJDWW43x1","price":23.36,"currency_code":"USD","in_stock":true},{"title":"100mm X 100mm X 1.2mm \/ 2","offer_id":52379015774482,"sku":"WWLFABGQJDWW44x1","price":26.22,"currency_code":"USD","in_stock":true},{"title":"200mm X 100mm X 1.2mm \/ 2","offer_id":52379015807250,"sku":"WWLFABGQJDWW45x1","price":47.25,"currency_code":"USD","in_stock":true},{"title":"200mm X 200mm X 1.2mm \/ 1","offer_id":52379015840018,"sku":"WWLFABGQJDWW46x1","price":44.54,"currency_code":"USD","in_stock":true},{"title":"300mm X 200mm X 1.2mm \/ 1","offer_id":52379015872786,"sku":"WWLFABGQJDWW47x1","price":64.83,"currency_code":"USD","in_stock":true},{"title":"300mm X 300mm X 1.2mm \/ 1","offer_id":52379015905554,"sku":"WWLFABGQJDWW48x1","price":93.08,"currency_code":"USD","in_stock":true},{"title":"400mm X 300mm X 1.2mm \/ 1","offer_id":52379015938322,"sku":"WWLFABGQJDWW49x1","price":122.66,"currency_code":"USD","in_stock":true},{"title":"400mm X 400mm X 1.2mm \/ 1","offer_id":52379015971090,"sku":"WWLFABGQJDWW50x1","price":159.68,"currency_code":"USD","in_stock":true},{"title":"150mm X 150mm X 1.2mm \/ 2","offer_id":52379016003858,"sku":"WWLFABGQJDWW51x1","price":50.24,"currency_code":"USD","in_stock":true},{"title":"250mm X 250mm X 1.2mm \/ 1","offer_id":52379016036626,"sku":"WWLFABGQJDWW52x1","price":65.09,"currency_code":"USD","in_stock":true},{"title":"350mm X 350mm X 1.2mm \/ 1","offer_id":52379016069394,"sku":"WWLFABGQJDWW53x1","price":125.34,"currency_code":"USD","in_stock":true},{"title":"450mm X 450mm X 1.2mm \/ 1","offer_id":52379016102162,"sku":"WWLFABGQJDWW54x1","price":200.84,"currency_code":"USD","in_stock":true},{"title":"50mm X 50mm X 1.2mm \/ 8","offer_id":52379016134930,"sku":"WWLFABGQJDWW42x2","price":39.4,"currency_code":"USD","in_stock":true},{"title":"100mm X 50mm X 1.2mm \/ 4","offer_id":52379016167698,"sku":"WWLFABGQJDWW43x2","price":44.8,"currency_code":"USD","in_stock":true},{"title":"100mm X 100mm X 1.2mm \/ 4","offer_id":52379016200466,"sku":"WWLFABGQJDWW44x2","price":50.52,"currency_code":"USD","in_stock":true},{"title":"200mm X 100mm X 1.2mm \/ 4","offer_id":52379016233234,"sku":"WWLFABGQJDWW45x2","price":92.58,"currency_code":"USD","in_stock":true},{"title":"200mm X 200mm X 1.2mm \/ 2","offer_id":52379016266002,"sku":"WWLFABGQJDWW46x2","price":87.16,"currency_code":"USD","in_stock":true},{"title":"300mm X 200mm X 1.2mm \/ 2","offer_id":52379016298770,"sku":"WWLFABGQJDWW47x2","price":127.73,"currency_code":"USD","in_stock":true},{"title":"300mm X 300mm X 1.2mm \/ 2","offer_id":52379016331538,"sku":"WWLFABGQJDWW48x2","price":184.24,"currency_code":"USD","in_stock":true},{"title":"400mm X 300mm X 1.2mm \/ 2","offer_id":52379016364306,"sku":"WWLFABGQJDWW49x2","price":243.4,"currency_code":"USD","in_stock":true},{"title":"400mm X 400mm X 1.2mm \/ 2","offer_id":52379016397074,"sku":"WWLFABGQJDWW50x2","price":317.42,"currency_code":"USD","in_stock":true},{"title":"150mm X 150mm X 1.2mm \/ 4","offer_id":52379016429842,"sku":"WWLFABGQJDWW51x2","price":98.56,"currency_code":"USD","in_stock":true},{"title":"250mm X 250mm X 1.2mm \/ 2","offer_id":52379016462610,"sku":"WWLFABGQJDWW52x2","price":128.26,"currency_code":"USD","in_stock":true},{"title":"350mm X 350mm X 1.2mm \/ 2","offer_id":52379016495378,"sku":"WWLFABGQJDWW53x2","price":248.74,"currency_code":"USD","in_stock":true},{"title":"450mm X 450mm X 1.2mm \/ 2","offer_id":52379016528146,"sku":"WWLFABGQJDWW54x2","price":399.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_fac81e07-7b87-4a76-9865-1a97e44b82ae.jpg?v=1781770039","url":"https:\/\/homediyer.com\/products\/stainless-steel-sheet-bright-polish-1-2mm-thick-many-size-grade-a2-304-l50-450mm","provider":"HomeDIYer","version":"1.0","type":"link"}