{"product_id":"national-mfg-n301-580-sheet-metal-24x24-in-22-gauge-steel","title":"National Mfg N301-580 Sheet Metal 24x24 in 22 Gauge Steel","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NATIONAL MFG\/SPECTRUM BRANDS HHI N301-580 is a 24 x 24 inch, 22-gauge cold rolled plain steel sheet designed for general-purpose commercial and industrial use. Manufactured to ASTM Specification A366, this sheet stock offers consistent thickness and a matte finish that accepts paint and plating without additional surface prep. The cold rolling process produces a smooth, tight surface with predictable forming characteristics. At 4.95 pounds, it is manageable for bench work or field fabrication. HVAC techs, plumbers, electricians, and sheet metal workers reach for this type of stock when they need reliable raw material for brackets, patches, covers, and custom fabricated components.\u003c\/p\u003e\n\u003cp\u003eThis sheet is suited for light commercial and industrial fabrication environments where a general-purpose steel sheet is required. Common applications include HVAC ductwork patches, equipment enclosure panels, custom mounting plates, flashing details, and general shop fabrication. The 22-gauge thickness provides a balance between rigidity and workability, making it easy to cut, bend, and weld with standard sheet metal tools. It is sold in packages of 3 sheets, making it practical for stocking a service van or shop for recurring small-format fabrication tasks.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets ASTM Specification A366 for cold rolled carbon steel sheet\u003c\/li\u003e\n  \u003cli\u003e22-gauge thickness provides good formability and weld compatibility\u003c\/li\u003e\n  \u003cli\u003eMatte finish is suitable for painting or plating without additional surface treatment\u003c\/li\u003e\n  \u003cli\u003eCold rolled plain steel construction for consistent surface quality and dimensional accuracy\u003c\/li\u003e\n  \u003cli\u003ePackaged in quantities of 3 sheets per unit for efficient stocking\u003c\/li\u003e\n  \u003cli\u003eGeneral-purpose stock appropriate for commercial and industrial fabrication applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a general-purpose cold rolled steel sheet for commercial and industrial fabrication. No specific equipment compatibility is stated by the manufacturer.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eSheet metal fabrication with this stock is typically performed by licensed HVAC technicians or sheet metal workers using tin snips, aviation shears, or a sheet metal brake. Always wear cut-resistant gloves when handling raw sheet metal edges. When welding or grinding, follow applicable workplace safety codes and ensure proper ventilation. Verify gauge requirements against the applicable mechanical or building code before using this sheet as a structural or code-governed component.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGauge\u003c\/strong\u003e: 22\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: 24 x 24 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Cold Rolled Plain Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Matte\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASTM Specification\u003c\/strong\u003e: A366\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 4.95 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 3 sheets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NATIONAL MFG\/SPECTRUM BRANDS HHI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N301-580\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NATIONAL HARDWARE","offers":[{"title":"Default Title","offer_id":51558123569458,"sku":"N301-580","price":75.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2fb57eaaa06d71befe27a9d687544356_08bdd044-2383-4feb-b7d4-aeecdaa36569.jpg?v=1786404075","url":"https:\/\/voomisupply.com\/products\/national-mfg-n301-580-sheet-metal-24x24-in-22-gauge-steel","provider":"Voomi Supply","version":"1.0","type":"link"}