{"product_id":"1-3-4-in-od-a513-cold-roll-carbon-steel-round-tubing-36-in","title":"1-3\/4 in OD A513 Cold Roll Carbon Steel Round Tubing - 36 in","description":"\u003cp\u003eIn this review the A513 Cold Roll Carbon Steel Round Tubing is evaluated for workshop fabricators and hobbyists who need a strong, straight steel tube for shafts, pins, or repair tasks. The bottom line: the tubing delivers the expected rigidity and material quality for structural and mechanical uses, with the single biggest reason to buy being its combination of ASTM A513 specification and solid 1018 carbon steel composition that suits load-bearing parts. This review focuses on fit, finish, and practical use rather than marketing claims.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASTM A513 compliance:\u003c\/strong\u003e Provides assurance the tubing meets common industry standards for mechanical tubing, which helps with consistency in projects and repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1018 carbon steel construction:\u003c\/strong\u003e Offers good strength and rigidity for pins, rods, shafts and sprocket applications where toughness matters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-3\/4 in outside diameter:\u003c\/strong\u003e A common size that fits many stock housings and fixtures, reducing the need for special adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.12 in wall thickness:\u003c\/strong\u003e Balances weight and strength so the tube resists bending while remaining workable for machining and fabrication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36 in length:\u003c\/strong\u003e Long enough for multiple smaller parts or a single longer shaft without extra splices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrawn over mandrel finish:\u003c\/strong\u003e Improves roundness and surface uniformity, which helps when a snug fit is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe tubing is best for machinists, metalworkers, restoration specialists, and hobbyists who need a reliable steel tube for mechanical components like shafts, spindles, and sprockets. Its 1018 carbon steel composition and ASTM A513 conformity make it practical for structural and light-to-moderate load-bearing uses.\u003c\/p\u003e\u003cp\u003eThose who need exceptional weldability, very high corrosion resistance, or a nonferrous alloy should look elsewhere; the material has slightly lower weldability and is not stainless, so it is not ideal for marine or highly corrosive environments without protective coating.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood material strength and rigidity suitable for mechanical parts and repairs.\u003c\/li\u003e\n\u003cli\u003eAccurate outside diameter and uniform finish from drawn over mandrel processing.\u003c\/li\u003e\n\u003cli\u003eMeets ASTM-A513 which provides predictable mechanical behavior in applications.\u003c\/li\u003e\n\u003cli\u003eSolid value for the price, with customers reporting useful performance in practical projects.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInner diameter can be slightly smaller than expected, which may require reaming for tight-fit applications.\u003c\/li\u003e\n\u003cli\u003eLower weldability compared with low-carbon steels, so welding may require preplanning and appropriate technique.\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\u003e1018 carbon steel (A513)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess\u003c\/td\u003e\n\u003ctd\u003eCold roll, drawn over mandrel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside diameter\u003c\/td\u003e\n\u003ctd\u003e1.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInside diameter\u003c\/td\u003e\n\u003ctd\u003e1.51 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall thickness\u003c\/td\u003e\n\u003ctd\u003e0.12 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\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 1-3\/4 in A513 cold roll tubing is a practical, cost-effective choice for builders and repairers who need a rigid, standardized steel tube for shafts and related components. It delivers consistent OD accuracy and a uniform finish, and while the ID may need slight adjustment for interference fits, the overall value and material performance make it a solid buy for most mechanical projects.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this tubing weldable?\u003c\/strong\u003e\u003cbr\u003eYes, it is weldable but 1018 carbon steel has slightly lower weldability than lower carbon steels, so proper technique and preparation are recommended.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the inner diameter accept a standard shaft without machining?\u003c\/strong\u003e\u003cbr\u003eMost users find the OD accurate, but some report the ID can be slightly undersize and may require reaming for a precise slip fit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this suitable for outdoor or marine use?\u003c\/strong\u003e\u003cbr\u003eNot without protective coating; this carbon steel is not stainless and will benefit from paint or plating for corrosion resistance.\u003c\/p\u003e","brand":"Online Metals","offers":[{"title":"Default Title","offer_id":48621841481947,"sku":"B000H9LT6S","price":35.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51RCqvxR91L._AC_SL1000_13ce12d9-77c1-4cf5-b2db-b7b5a8af4e4d.jpg?v=1778507040","url":"https:\/\/gearmusthave.com\/products\/1-3-4-in-od-a513-cold-roll-carbon-steel-round-tubing-36-in","provider":"GearMustHave","version":"1.0","type":"link"}