{"product_id":"1-4-a36-steel-square-plate-radius-corners","title":"1\/4\" A36 Steel Square Plate with Radius Corners – Select Size","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003e1\/4\" Steel Square Plates with Radius Corners – Precision Cut \u0026amp; Ready to Use\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eOur \u003cstrong\u003e1\/4\" thick steel square plates with radius corners\u003c\/strong\u003e are precision CNC plasma cut from premium \u003cstrong\u003eASTM A36 low carbon steel\u003c\/strong\u003e and are available in sizes from \u003cstrong\u003e4\" × 4\" to 30\" × 30\"\u003c\/strong\u003e. Each plate features smooth \u003cstrong\u003erounded corners\u003c\/strong\u003e for a cleaner appearance, improved safety, and easier handling compared to sharp-cornered plates.\u003c\/p\u003e\n\u003cp\u003eThese plates are ideal for trailer fabrication, mounting plates, equipment repairs, welding projects, decorative applications, agricultural equipment, and countless custom fabrication jobs.\u003c\/p\u003e\n\u003cp\u003eEvery plate is precision cut with clean, weld-ready edges and a raw mill finish, making them ready for welding, machining, drilling, or painting.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePremium ASTM A36 Low Carbon Steel\u003c\/li\u003e\n\u003cli\u003e1\/4\" (0.250\") Thick\u003c\/li\u003e\n\u003cli\u003eRadius (Rounded) Corners\u003c\/li\u003e\n\u003cli\u003eSquare Sizes from 4\" × 4\" to 30\" × 30\"\u003c\/li\u003e\n\u003cli\u003ePrecision CNC Plasma Cut\u003c\/li\u003e\n\u003cli\u003eClean, Weld-Ready Edges\u003c\/li\u003e\n\u003cli\u003eRaw Mill Finish\u003c\/li\u003e\n\u003cli\u003eExcellent Weldability\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eFree Shipping\u003c\/li\u003e\n\u003cli\u003eShips in \u003cstrong\u003e1–5 Business Days\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e ASTM A36 Low Carbon Steel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e 1\/4\" (0.250\")\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Square with Radius Corners\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e 4\" × 4\" through 30\" × 30\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorner Style:\u003c\/strong\u003e Rounded Radius Corners\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturing Process:\u003c\/strong\u003e CNC Plasma Cut\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±0.025\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Raw Mill Finish\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eCommon Uses\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMounting Plates\u003c\/li\u003e\n\u003cli\u003eBase Plates\u003c\/li\u003e\n\u003cli\u003eTrailer Fabrication\u003c\/li\u003e\n\u003cli\u003eEquipment Repair\u003c\/li\u003e\n\u003cli\u003eDecorative Projects\u003c\/li\u003e\n\u003cli\u003eAgricultural Equipment\u003c\/li\u003e\n\u003cli\u003eMachine Mounts\u003c\/li\u003e\n\u003cli\u003eWelding Projects\u003c\/li\u003e\n\u003cli\u003eIndustrial Fabrication\u003c\/li\u003e\n\u003cli\u003eDIY Metal Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhy Buy From JWM Metal Supply?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision Cut in Kansas\u003c\/li\u003e\n\u003cli\u003ePremium American Steel\u003c\/li\u003e\n\u003cli\u003eNo Minimum Order\u003c\/li\u003e\n\u003cli\u003eFast Turnaround\u003c\/li\u003e\n\u003cli\u003eFree Shipping\u003c\/li\u003e\n\u003cli\u003eShips in 1–5 Business Days\u003c\/li\u003e\n\u003cli\u003eBulk Pricing Available\u003c\/li\u003e\n\u003cli\u003eFamily-Owned Fabrication Shop\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003eWhy choose radius corners?\u003c\/h3\u003e\n\u003cp\u003eRounded corners provide a cleaner appearance, reduce sharp edges, improve handling, and are ideal for projects where safety and finished appearance are important.\u003c\/p\u003e\n\u003ch3\u003eCan these plates be welded?\u003c\/h3\u003e\n\u003cp\u003eYes. ASTM A36 low carbon steel offers excellent weldability using MIG, TIG, or Stick welding.\u003c\/p\u003e\n\u003ch3\u003eCan I drill or machine these plates?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely. A36 steel machines and drills easily using standard tooling.\u003c\/p\u003e\n\u003ch3\u003eAre these plates painted?\u003c\/h3\u003e\n\u003cp\u003eNo. They are supplied with a raw mill finish.\u003c\/p\u003e\n\u003cp\u003eOur \u003cstrong\u003e1\/4\" thick steel square plates with radius corners\u003c\/strong\u003e are precision CNC plasma cut from premium \u003cstrong\u003eASTM A36 low carbon steel\u003c\/strong\u003e and are available in sizes from \u003cstrong\u003e4\" × 4\" to 30\" × 30\"\u003c\/strong\u003e. Each plate features smooth \u003cstrong\u003erounded corners\u003c\/strong\u003e for a cleaner appearance, improved safety, and easier handling compared to sharp-cornered plates.\u003c\/p\u003e\n\u003cp\u003eThese plates are ideal for trailer fabrication, mounting plates, equipment repairs, welding projects, decorative applications, agricultural equipment, and countless custom fabrication jobs.\u003c\/p\u003e\n\u003cp\u003eEvery plate is precision cut with clean, weld-ready edges and a raw mill finish, making them ready for welding, machining, drilling, or painting.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium ASTM A36 Low Carbon Steel\u003c\/li\u003e\n\u003cli\u003e1\/4\" (0.250\") Thick\u003c\/li\u003e\n\u003cli\u003eRadius (Rounded) Corners\u003c\/li\u003e\n\u003cli\u003eSquare Sizes from 4\" × 4\" to 30\" × 30\"\u003c\/li\u003e\n\u003cli\u003ePrecision CNC Plasma Cut\u003c\/li\u003e\n\u003cli\u003eClean, Weld-Ready Edges\u003c\/li\u003e\n\u003cli\u003eRaw Mill Finish\u003c\/li\u003e\n\u003cli\u003eExcellent Weldability\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eFree Shipping\u003c\/li\u003e\n\u003cli\u003eShips in \u003cstrong\u003e1–5 Business Days\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e ASTM A36 Low Carbon Steel\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e 1\/4\" (0.250\")\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Square with Radius Corners\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e 4\" × 4\" through 30\" × 30\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorner Style:\u003c\/strong\u003e Rounded Radius Corners\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturing Process:\u003c\/strong\u003e CNC Plasma Cut\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±0.025\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Raw Mill Finish\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e USA\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eCommon Uses\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMounting Plates\u003c\/li\u003e\n\u003cli\u003eBase Plates\u003c\/li\u003e\n\u003cli\u003eTrailer Fabrication\u003c\/li\u003e\n\u003cli\u003eEquipment Repair\u003c\/li\u003e\n\u003cli\u003eDecorative Projects\u003c\/li\u003e\n\u003cli\u003eAgricultural Equipment\u003c\/li\u003e\n\u003cli\u003eMachine Mounts\u003c\/li\u003e\n\u003cli\u003eWelding Projects\u003c\/li\u003e\n\u003cli\u003eIndustrial Fabrication\u003c\/li\u003e\n\u003cli\u003eDIY Metal Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhy Buy From JWM Metal Supply?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision Cut in Kansas\u003c\/li\u003e\n\u003cli\u003ePremium American Steel\u003c\/li\u003e\n\u003cli\u003eNo Minimum Order\u003c\/li\u003e\n\u003cli\u003eFast Turnaround\u003c\/li\u003e\n\u003cli\u003eFree Shipping\u003c\/li\u003e\n\u003cli\u003eShips in 1–5 Business Days\u003c\/li\u003e\n\u003cli\u003eBulk Pricing Available\u003c\/li\u003e\n\u003cli\u003eFamily-Owned Fabrication Shop\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003eWhy choose radius corners?\u003c\/h3\u003e\n\u003cp\u003eRounded corners provide a cleaner appearance, reduce sharp edges, improve handling, and are ideal for projects where safety and finished appearance are important.\u003c\/p\u003e\n\u003ch3\u003eCan these plates be welded?\u003c\/h3\u003e\n\u003cp\u003eYes. ASTM A36 low carbon steel offers excellent weldability using MIG, TIG, or Stick welding.\u003c\/p\u003e\n\u003ch3\u003eCan I drill or machine these plates?\u003c\/h3\u003e\n\u003cp\u003eAbsolutely. A36 steel machines and drills easily using standard tooling.\u003c\/p\u003e\n\u003ch3\u003eAre these plates painted?\u003c\/h3\u003e\n\u003cp\u003eNo. They are supplied with a raw mill finish.\u003c\/p\u003e","brand":"JWM Metal Supply","offers":[{"title":"4\"","offer_id":46252970705067,"sku":"PLT-SQR-1-4-4","price":21.48,"currency_code":"USD","in_stock":true},{"title":"5\"","offer_id":46252970737835,"sku":"PLT-SQR-1-4-5","price":21.87,"currency_code":"USD","in_stock":true},{"title":"6\"","offer_id":46252970770603,"sku":"PLT-SQR-1-4-6","price":23.66,"currency_code":"USD","in_stock":true},{"title":"7\"","offer_id":46252970803371,"sku":"PLT-SQR-1-4-7","price":24.99,"currency_code":"USD","in_stock":true},{"title":"8\"","offer_id":46252970836139,"sku":"PLT-SQR-1-4-8","price":27.39,"currency_code":"USD","in_stock":true},{"title":"9\"","offer_id":46252970868907,"sku":"PLT-SQR-1-4-9","price":30.08,"currency_code":"USD","in_stock":true},{"title":"10\"","offer_id":46252970901675,"sku":"PLT-SQR-1-4-10","price":33.1,"currency_code":"USD","in_stock":true},{"title":"11\"","offer_id":46252970934443,"sku":"PLT-SQR-1-4-11","price":36.39,"currency_code":"USD","in_stock":true},{"title":"12\"","offer_id":46252970967211,"sku":"PLT-SQR-1-4-12","price":39.24,"currency_code":"USD","in_stock":true},{"title":"13\"","offer_id":46252970999979,"sku":"PLT-SQR-1-4-13","price":46.68,"currency_code":"USD","in_stock":true},{"title":"14\"","offer_id":46252971032747,"sku":"PLT-SQR-1-4-14","price":50.86,"currency_code":"USD","in_stock":true},{"title":"15\"","offer_id":46252971065515,"sku":"PLT-SQR-1-4-15","price":55.37,"currency_code":"USD","in_stock":true},{"title":"16\"","offer_id":46252971098283,"sku":"PLT-SQR-1-4-16","price":60.16,"currency_code":"USD","in_stock":true},{"title":"17\"","offer_id":46252971131051,"sku":"PLT-SQR-1-4-17","price":64.52,"currency_code":"USD","in_stock":true},{"title":"18\"","offer_id":46252971163819,"sku":"PLT-SQR-1-4-18","price":69.91,"currency_code":"USD","in_stock":true},{"title":"19\"","offer_id":46252971196587,"sku":"PLT-SQR-1-4-19","price":75.59,"currency_code":"USD","in_stock":true},{"title":"20\"","offer_id":46252971229355,"sku":"PLT-SQR-1-4-20","price":81.59,"currency_code":"USD","in_stock":true},{"title":"21\"","offer_id":46252971262123,"sku":"PLT-SQR-1-4-21","price":93.19,"currency_code":"USD","in_stock":true},{"title":"22\"","offer_id":46252971294891,"sku":"PLT-SQR-1-4-22","price":99.02,"currency_code":"USD","in_stock":true},{"title":"23\"","offer_id":46252971327659,"sku":"PLT-SQR-1-4-23","price":105.92,"currency_code":"USD","in_stock":true},{"title":"24\"","offer_id":46252971360427,"sku":"PLT-SQR-1-4-24","price":113.12,"currency_code":"USD","in_stock":true},{"title":"25\"","offer_id":46252971393195,"sku":"PLT-SQR-1-4-25","price":120.63,"currency_code":"USD","in_stock":true},{"title":"26\"","offer_id":46252971425963,"sku":"PLT-SQR-1-4-26","price":128.41,"currency_code":"USD","in_stock":true},{"title":"27\"","offer_id":46252971458731,"sku":"PLT-SQR-1-4-27","price":164.88,"currency_code":"USD","in_stock":true},{"title":"28\"","offer_id":46252971491499,"sku":"PLT-SQR-1-4-28","price":173.26,"currency_code":"USD","in_stock":true},{"title":"29\"","offer_id":46252971524267,"sku":"PLT-SQR-1-4-29","price":181.96,"currency_code":"USD","in_stock":true},{"title":"30\"","offer_id":46252971557035,"sku":"PLT-SQR-1-4-30","price":190.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/0375\/5947\/files\/ChatGPT_Image_Jul_2_2026_10_16_44_PM.png?v=1785877697","url":"https:\/\/jwmmetalsupply.com\/products\/1-4-a36-steel-square-plate-radius-corners","provider":"JWM Metal Supply","version":"1.0","type":"link"}