{"product_id":"carbon-steel-square-tubing-2-in-x-3-16-in-x-36-in-strong-structural","title":"Carbon Steel Square Tubing 2 in x 3\/16 in x 36 in - Strong Structural","description":"\u003cp\u003eIn this review the OnlineMetals A500\/A513 carbon steel square tubing is evaluated for builders, fabricators, and hobbyists who need a simple, strong length of steel to cut, weld, or machine. The single biggest reason to buy is the combination of a solid structural section and ready-for-modification plain finish: the 2 in by 2 in profile with a 3\/16 in wall and 36 in length gives dependable rigidity for frames, supports, and machine parts while allowing straightforward drilling or welding.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Carbon Steel:\u003c\/strong\u003e The A36-grade carbon steel delivers reliable structural integrity for load-bearing frames and supports in commercial and workshop projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 in Height with 3\/16 in Wall:\u003c\/strong\u003e The 2 in by 2 in cross section and 3\/16 in wall thickness balance stiffness and machinability for typical fabrication tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36 in Length:\u003c\/strong\u003e At 36 in the tube is easy to handle in a small shop and can be trimmed to precise lengths for assemblies and jigs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady for Modification:\u003c\/strong\u003e The uncoated, hot-rolled surface is prepared for welding, drilling, cutting, and attaching fittings without surface treatments getting in the way.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable and Sustainable:\u003c\/strong\u003e Engineered to resist routine wear and offered as recyclable steel, it is suitable for long-term installations where material lifecycle matters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultipurpose Use:\u003c\/strong\u003e Works well for machine fab, model material, and use with tube connectors and fittings in structural systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis square tubing is best for metalworkers, fabricators, and engineers who need a straightforward, structural-grade steel tube to incorporate into frames, machine supports, or architectural elements. Its ready-to-modify plain finish is useful for people who plan to weld, drill, or cut the tube to exact dimensions.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include users needing pre-galvanized or decorative finished tubing for exposed installations where immediate corrosion protection or appearance is required; a coated or stainless option would be a better match for those priorities.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStrong A36 carbon steel provides dependable structural performance for frames and supports.\u003c\/li\u003e\n\u003cli\u003ePlain, uncoated surface makes welding and machining straightforward without extra prep.\u003c\/li\u003e\n\u003cli\u003e36 in length and common 2 in profile are convenient for small-shop projects and easy to modify.\u003c\/li\u003e\n\u003cli\u003eRecyclable material and engineered durability offer longer-term value.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePlain hot-rolled steel can show surface rust over time in wet environments, so additional protection may be needed.\u003c\/li\u003e\n\u003cli\u003eNot finished for decorative or highly corrosive applications out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCarbon steel (A500\/A513, ASTM A-36)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eSquare tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Height\u003c\/td\u003e\n\u003ctd\u003e2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness\u003c\/td\u003e\n\u003ctd\u003e3\/16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e36 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eHot rolled, uncoated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe OnlineMetals 2 in x 3\/16 in x 36 in carbon steel square tubing is a practical, cost-effective choice for fabricators and hobbyists who need a solid, modifiable structural tube. It provides strong performance and good value when surface finish is not the primary concern, though buyers should plan for corrosion protection if the tube will be exposed to moisture.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this tubing ready to weld?\u003c\/strong\u003e\u003cbr\u003eYes. The uncoated hot-rolled surface is suitable for welding and other metalworking operations after normal shop prep.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it resist rust outdoors?\u003c\/strong\u003e\u003cbr\u003eThe tubing is engineered for durability but is hot-rolled and uncoated; apply paint or other corrosion protection for long-term outdoor exposure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be cut to shorter lengths?\u003c\/strong\u003e\u003cbr\u003eYes. The 36 in length is easy to trim with common cutting tools for custom builds.\u003c\/p\u003e","brand":"Online Metals","offers":[{"title":"Default Title","offer_id":48184639783131,"sku":"B000H9PGYE","price":38.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51mvzNj-mjL._AC_SL1000_a2349bfb-7dc9-4b70-9a3e-5fbcf390f2d4.jpg?v=1769517725","url":"https:\/\/gearmusthave.com\/products\/carbon-steel-square-tubing-2-in-x-3-16-in-x-36-in-strong-structural","provider":"GearMustHave","version":"1.0","type":"link"}