{"product_id":"304-stainless-steel-rectangular-bar-0-625in-x-4in-x-72in-mill-finish","title":"304 Stainless Steel Rectangular Bar 0.625in x 4in x 72in - Mill Finish","description":"\u003cp\u003eOur review of the 304 Stainless Steel Rectangular Bar focuses on users who need a reliable, general-purpose stainless alloy for structural, food-contact, or architectural projects. The bottom line: this unpolished mill finish bar delivers the familiar combination of \u003cstrong\u003e304 corrosion resistance\u003c\/strong\u003e and mechanical strength in a convenient 72in length, making it a practical choice for fabricators, machine shops, and hobbyists who want predictable material behavior without decorative finishing. The bar is straightforward-stock steel intended for functional use rather than final visible trim.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e304 stainless steel:\u003c\/strong\u003e A widely used alloy that offers high strength and good corrosion resistance for many environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMill (unpolished) finish:\u003c\/strong\u003e The raw surface reduces cost and is suitable for fabrication where appearance is secondary or where additional finishing will be applied.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard dimensional size:\u003c\/strong\u003e 0.625in thickness by 4in width and 72in length provides long, consistent stock for cutting, machining, or forming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-compatible:\u003c\/strong\u003e Meets multiple specifications such as ASTM-A276 and AMS standards, which helps in regulated or engineered applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile applications:\u003c\/strong\u003e Works for aerospace components, food and beverage equipment, pressure vessels, architectural work, and chemical processing equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis rectangular bar is aimed at professionals and serious hobbyists who need dependable stainless steel stock for structural, mechanical, or sanitary applications. Fabricators, machine shops, and contractors who require known alloy properties and compliance with standards will appreciate the predictability of \u003cstrong\u003e304 stainless\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt is not ideal for buyers seeking a finished, decorative surface straight from the supplier; those customers should look for polished or brushed options. Also, projects demanding specific surface finishes or tighter cosmetic tolerances may require additional processing after purchase.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReliable corrosion resistance and strength from the widely used \u003cstrong\u003e304 alloy\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eLong 72in length reduces the number of welds or joins for larger fabrications.\u003c\/li\u003e\n\u003cli\u003eMeets recognized specifications such as ASTM-A276 and related AMS standards for engineered uses.\u003c\/li\u003e\n\u003cli\u003eMill finish lowers cost and is easy to machine, weld, or form for downstream finishing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMill finish can be rough for visible applications, and customers report mixed opinions on surface texture.\u003c\/li\u003e\n\u003cli\u003eNot supplied in a polished state, so extra finishing is needed when appearance matters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eUnpolished (mill) finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e0.625in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e4in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e72in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eASTM-A276, AMS-QQ-S-763, AMS-5639, AMS-5647, ASTM-A479, ASTM-F899\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone who needs dependable, standards-compliant stainless steel stock, this 304 rectangular bar represents good value: it supplies the proven corrosion resistance and mechanical properties of \u003cstrong\u003e304 stainless\u003c\/strong\u003e in a useful long length and a cost-conscious mill finish. Buyers who require a finished appearance should plan on secondary processing, but for structural and functional work this bar is a sensible, practical choice.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this bar suitable for food-contact applications?\u003c\/strong\u003e\u003cbr\u003eYes, 304 stainless is commonly used in food and beverage equipment and meets common standards for those applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the mill finish be smooth enough for visible trim?\u003c\/strong\u003e\u003cbr\u003eThe mill finish is utilitarian and may be rough in spots; customers who need a cosmetic surface should specify polishing or a different finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this item meet industry standards?\u003c\/strong\u003e\u003cbr\u003eYes, it meets ASTM-A276 and several AMS specifications listed in the product details.\u003c\/p\u003e","brand":"Online Metals","offers":[{"title":"Default Title","offer_id":48685909475547,"sku":"B088KRW2Q7","price":386.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51ywikHvQ3L._SL1000.jpg?v=1778693215","url":"https:\/\/gearmusthave.com\/products\/304-stainless-steel-rectangular-bar-0-625in-x-4in-x-72in-mill-finish","provider":"GearMustHave","version":"1.0","type":"link"}