{"product_id":"stainless-steel-sheet-5mm-grade-304-a2-bright-polish","title":"Stainless Steel Sheet Bright Polish 5mm Thick Many Size Grade A2 304 L50-450mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eStainless Steel Sheet 5mm Thick — Grade 304 A2, Bright Polished Finish for DIY \u0026amp; Fabrication\u003c\/h2\u003e\n\u003cp\u003eWhen your project demands a flat metal surface that holds up to moisture, heat, and daily wear without corroding, a 5mm stainless steel sheet in Grade 304 A2 is the go-to choice for home improvers, makers, and light fabricators. Whether you're reinforcing a workbench, lining a splashback, or building a custom bracket, finding the right size without ordering oversized stock is a constant frustration — this listing solves that with 13 pre-cut size options.\u003c\/p\u003e\n\u003cp\u003eEach stainless steel sheet is cut from Grade 304 (A2) alloy, 5mm thick, with a bright polished surface finish. Sizes range from 50×50mm (approx. 2\"×2\") up to 450×450mm (approx. 17.7\"×17.7\"), with rectangular options spanning 100×50mm through 400×300mm. All pieces are 5mm (approx. 3\/16\") in thickness.\u003c\/p\u003e\n\u003cp\u003eTypical applications include kitchen splashback panels, machine guards, shelf reinforcement plates, custom enclosure lids, and DIY welding practice stock. The bright polished surface also suits decorative metalwork where a clean, reflective appearance matters — making these sheets a practical choice for stainless steel sheet metal fabrication, DIY metal cutting projects, and corrosion-resistant flat bar replacements.\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 MIG\/TIG welding, plasma cutting, angle grinding, and standard metal drill bits. Compatible with most stainless-rated cutting fluids and abrasive discs.\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These 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 304 A2 Alloy\u003c\/strong\u003e — Contains 18% chromium and 8% nickel for reliable resistance to rust, oxidation, and mild chemical exposure in indoor and outdoor environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✨\u003c\/span\u003e\u003cstrong\u003eBright Polished Surface\u003c\/strong\u003e — Mirror-like finish on one face reduces surface roughness, making it suitable for visible installations and easier to wipe clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003e5mm Uniform Thickness\u003c\/strong\u003e — Consistent 5mm (approx. 3\/16\") gauge across the full sheet area, verified for flatness and dimensional accuracy.\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 50×50mm squares to large 450×450mm plates, with rectangular cuts available — select exactly what your project needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cstrong\u003eMachinable \u0026amp; Weldable\u003c\/strong\u003e — Responds well to standard workshop processes: drilling, cutting, grinding, and TIG or MIG welding without special pre-treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\u003cstrong\u003eStructural Rigidity at 5mm\u003c\/strong\u003e — At this thickness, sheets resist flex under moderate load, making them suitable for load-bearing brackets, base plates, and reinforcement applications.\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\u003eStainless Steel Grade 304 (A2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e5mm (approx. 3\/16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eBright Polished (one face)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003e50×50mm to 450×450mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChromium Content\u003c\/th\u003e\n\u003ctd\u003eTypically 17.5–18.5%\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 per Order\u003c\/th\u003e\n\u003ctd\u003eSee variant options (1 or 2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeldability\u003c\/th\u003e\n\u003ctd\u003eTIG \/ MIG compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eSuitable for indoor and moderate outdoor exposure\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\u003cdetails\u003e\n\u003csummary\u003eWhich size should I choose for a kitchen splashback?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMeasure the area you need to cover and select the closest size that meets or slightly exceeds your dimensions. For most standard hob splashbacks, the 300×300mm or 400×300mm options are a practical starting point. If your space is wider, consider ordering two pieces and butting them together with a clean seam.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs Grade 304 stainless steel strong enough for structural brackets?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAt 5mm thickness, Grade 304 sheet has a tensile strength typically in the range of 515–720 MPa, which is adequate for light-to-medium load-bearing brackets, shelf supports, and reinforcement plates. For heavy structural applications exceeding these loads, consult an engineer before use.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\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 (A2) stainless steel offers good resistance to atmospheric corrosion and moisture in most outdoor environments. However, it is not fully immune to pitting in high-chloride environments such as coastal or marine settings. For those conditions, Grade 316 (A4) is generally recommended instead.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I cut this sheet with standard tools?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. A 5mm stainless steel sheet can be cut using an angle grinder with a stainless-rated cutting disc, a plasma cutter, or a jigsaw fitted with a bi-metal blade. Use cutting fluid to reduce heat build-up and extend blade life. Standard HSS drill bits work for holes, though cobalt or carbide-tipped bits will last longer.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the polished finish on both sides?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe bright polished finish is applied to one face of the sheet. The reverse side has a standard mill finish. If you need a polished appearance on both sides for your application, please contact us to confirm before ordering.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose between ordering 1 piece or 2 pieces?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe \"Quantitys\" variant option lets you select 1 or 2 pieces of the same size. Order 2 if you need a matching pair for symmetrical installations (e.g., two side panels), want a spare in case of cutting errors, or are working on a project that requires identical pieces. Single-piece orders are available for all sizes.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between Grade 304 and Grade 316 stainless steel?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eGrade 304 contains 18% chromium and 8% nickel, making it suitable for most general-purpose and indoor applications. Grade 316 adds molybdenum, which significantly improves resistance to chlorides and salt water. For most DIY, fabrication, and kitchen applications, Grade 304 is sufficient and more cost-effective.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\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\": \"Which size should I choose for a kitchen splashback?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the area you need to cover and select the closest size that meets or slightly exceeds your dimensions. For most standard hob splashbacks, the 300x300mm or 400x300mm options are a practical starting point.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is Grade 304 stainless steel strong enough for structural brackets?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"At 5mm thickness, Grade 304 sheet has a tensile strength typically in the range of 515-720 MPa, adequate for light-to-medium load-bearing brackets, shelf supports, and reinforcement plates.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this sheet rust or corrode outdoors?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Grade 304 (A2) stainless steel offers good resistance to atmospheric corrosion and moisture in most outdoor environments. For high-chloride or coastal settings, Grade 316 (A4) is generally recommended.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I cut this sheet with standard tools?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. A 5mm stainless steel sheet can be cut using an angle grinder with a stainless-rated cutting disc, a plasma cutter, or a jigsaw with a bi-metal blade. Use cutting fluid to reduce heat build-up.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the polished finish on both sides?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The bright polished finish is applied to one face of the sheet. The reverse side has a standard mill finish.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose between ordering 1 piece or 2 pieces?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Quantitys variant option lets you select 1 or 2 pieces of the same size. Order 2 if you need a matching pair, a spare for cutting errors, or identical pieces for symmetrical installations.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between Grade 304 and Grade 316 stainless steel?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Grade 304 contains 18% chromium and 8% nickel, suitable for most general-purpose and indoor applications. Grade 316 adds molybdenum for improved resistance to chlorides and salt water.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"50mm X 50mm X 5mm \/ 2","offer_id":52379018690834,"sku":"WWLFABGQJDWW120x1","price":27.21,"currency_code":"USD","in_stock":true},{"title":"100mm X 50mm X 5mm \/ 2","offer_id":52379018723602,"sku":"WWLFABGQJDWW121x1","price":48.44,"currency_code":"USD","in_stock":true},{"title":"100mm X 100mm X 5mm \/ 1","offer_id":52379018756370,"sku":"WWLFABGQJDWW122x1","price":45.72,"currency_code":"USD","in_stock":true},{"title":"200mm X 100mm X 5mm \/ 1","offer_id":52379018789138,"sku":"WWLFABGQJDWW123x1","price":87.53,"currency_code":"USD","in_stock":true},{"title":"200mm X 200mm X 5mm \/ 1","offer_id":52379018821906,"sku":"WWLFABGQJDWW124x1","price":164.6,"currency_code":"USD","in_stock":true},{"title":"300mm X 200mm X 5mm \/ 1","offer_id":52379018854674,"sku":"WWLFABGQJDWW125x1","price":244.8,"currency_code":"USD","in_stock":true},{"title":"300mm X 300mm X 5mm \/ 1","offer_id":52379018887442,"sku":"WWLFABGQJDWW126x1","price":364.86,"currency_code":"USD","in_stock":true},{"title":"400mm X 300mm X 5mm \/ 1","offer_id":52379018920210,"sku":"WWLFABGQJDWW127x1","price":484.91,"currency_code":"USD","in_stock":true},{"title":"400mm X 400mm X 5mm \/ 1","offer_id":52379018952978,"sku":"WWLFABGQJDWW128x1","price":644.82,"currency_code":"USD","in_stock":true},{"title":"150mm X 150mm X 5mm \/ 1","offer_id":52379018985746,"sku":"WWLFABGQJDWW129x1","price":94.37,"currency_code":"USD","in_stock":true},{"title":"250mm X 250mm X 5mm \/ 1","offer_id":52379019018514,"sku":"WWLFABGQJDWW130x1","price":254.85,"currency_code":"USD","in_stock":true},{"title":"350mm X 350mm X 5mm \/ 1","offer_id":52379019051282,"sku":"WWLFABGQJDWW131x1","price":495.79,"currency_code":"USD","in_stock":true},{"title":"450mm X 450mm X 5mm \/ 1","offer_id":52379019084050,"sku":"WWLFABGQJDWW132x1","price":814.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_48a8ddc1-1d04-40f8-9289-ba56e4894678.jpg?v=1781770130","url":"https:\/\/homediyer.com\/products\/stainless-steel-sheet-5mm-grade-304-a2-bright-polish","provider":"HomeDIYer","version":"1.0","type":"link"}