{"product_id":"a513-cold-roll-carbon-steel-round-tubing-1-375-in-od-strong-precise","title":"A513 Cold Roll Carbon Steel Round Tubing 1.375 in OD - Strong, Precise","description":"\u003cp\u003eIn this review of the A513 cold roll carbon steel round tubing the bottom line is simple: this tube is for fabricators and hobbyists who need a strong, dimensionally stable section for shafts, pins, or custom fuel tank fittings. The reviewer found the tubing well suited to structural and mechanical uses because it combines the rigidity of a high-carbon 1018-style alloy with consistent outside dimensions, and it meets \u003cstrong\u003eASTM A513\u003c\/strong\u003e standards. It is not the easiest material to machine or weld, but for applications that demand strength and straightness the tradeoff is reasonable.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cold rolled A513 carbon steel provides high strength and rigidity for load-bearing parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside diameter:\u003c\/strong\u003e 1.375 in outside diameter offers a consistent external size for press fits and mounts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall thickness:\u003c\/strong\u003e 0.375 in wall gives substantial cross section for shafts, spindles, and heavy-duty pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner diameter:\u003c\/strong\u003e 0.625 in inside diameter leaves a solid internal core suitable for machining to precise fits or for drilling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e Supplied in a 36 in length that is convenient for cutting to multiple parts or longer fabrications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e Conforms to ASTM A513 which reassures consistency in manufacturing quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis tubing is aimed at metalworkers, machinists, and fabricators who build pins, rods, shafts, spindles, sprockets, or vehicle fittings and need a stiff, reliable tubular raw material. The combination of a thick wall and cold roll finish makes it especially good where straightness and strength matter more than ease of welding.\u003c\/p\u003e\n\u003cp\u003eThose who need superb weldability or easiest possible machinability should consider seeking a lower carbon or annealed grade, since \u003cstrong\u003eA513 steel\u003c\/strong\u003e trades some ease of machining and welding for higher strength. For light decorative projects the material may be overbuilt and harder to work with.\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\u003eHigh structural strength and rigidity suitable for load-bearing components.\u003c\/li\u003e\n\u003cli\u003eConsistent outside diameter useful for press-fit assemblies and precise mounting.\u003c\/li\u003e\n\u003cli\u003eThick 0.375 in wall gives long service life and resistance to deflection under load.\u003c\/li\u003e\n\u003cli\u003eMeets ASTM-A513, which supports predictable material behavior and quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigher carbon content reduces machinability and weldability compared with softer steels.\u003c\/li\u003e\n\u003cli\u003eSome buyers report the inside diameter can be slightly smaller than expected, which may require reaming for tight fits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Standard\u003c\/td\u003e\n\u003ctd\u003eASTM A513\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCold roll carbon steel (A513 \/ 1018-class)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd\u003e1.375 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInside Diameter\u003c\/td\u003e\n\u003ctd\u003e0.625 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness\u003c\/td\u003e\n\u003ctd\u003e0.375 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\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe A513 cold roll round tubing is a practical, value-oriented choice for anyone needing a strong, straight tubular section for shafts, pins, or tank fittings. While it requires a bit more care when machining or welding, its thickness, conformity to \u003cstrong\u003eASTM A513\u003c\/strong\u003e, and overall steel quality make it a smart buy for mechanical and industrial projects where strength and dimensional stability matter.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this tubing weldable?\u003c\/strong\u003e\u003cbr\u003eAnswer. It can be welded, but the higher carbon and cold-rolled condition make welding and post-weld work more challenging than with softer steels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the dimensions accurate out of the box?\u003c\/strong\u003e\u003cbr\u003eAnswer. Outside diameter and wall are generally accurate, but some customers note the inside diameter can be slightly undersize and may need reaming for tight fits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat applications is this best for?\u003c\/strong\u003e\u003cbr\u003eAnswer. Ideal for pins, rods, shafts, spindles, sprockets, and structural uses where strength and rigidity are primary requirements.\u003c\/p\u003e","brand":"Online Metals","offers":[{"title":"Default Title","offer_id":48179416269019,"sku":"B000H9P5ZE","price":169.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51RCqvxR91L._AC_SL1000_86495426-fb69-4ab4-afa2-0fa4b85c9b5a.jpg?v=1769654196","url":"https:\/\/gearmusthave.com\/products\/a513-cold-roll-carbon-steel-round-tubing-1-375-in-od-strong-precise","provider":"GearMustHave","version":"1.0","type":"link"}