{"product_id":"a513-cold-roll-carbon-steel-round-tubing-24in-length-durable-2-1-8in","title":"A513 Cold Roll Carbon Steel Round Tubing 24in Length - Durable 2-1\/8in","description":"\u003cp\u003eIn this review the focus is on a single, heavy-duty piece of tubing intended for mechanical and fabrication use: the A513 cold roll carbon steel round tubing, drawn over mandrel, with a 24in length. The bottom line is straightforward - this tube is for builders, machinists, and hobbyists who need \u003cstrong\u003erigid, high-strength steel tubing\u003c\/strong\u003e for shafts, pins, or structural runs where material strength and dimensional stability matter more than ease of welding. It performs as expected for A513\/1018-grade material and delivers predictable strength and form for workshop projects.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e A513\/1018 cold roll carbon steel provides notable strength and rigidity for load-bearing and rotating parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e The 2-1\/8in outside diameter and 1.885in inside diameter give a consistent bore and wall for fitting shafts or bushings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Thickness:\u003c\/strong\u003e The 0.12in wall balances weight and stiffness for many light- to medium-duty mechanical applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e A 24in length is convenient for cutting to custom sizes or using as a single piece in short runs without extra joins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacture:\u003c\/strong\u003e Drawn over mandrel (DOM) tubing meets ASTM A513 for roundness and concentricity, improving fit and finish for machined applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Typical use in pins, rods, shafts, spindles, and sprockets makes it versatile for repair and fabrication tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis tubing is aimed at machinists, fabricators, garage mechanics, and anyone building functional mechanical components who needs a tough, consistent steel tube with good dimensional control. Because it is DOM A513\/1018 material, it suits turning, drilling, and press-fit operations where stiffness and strength are priorities.\u003c\/p\u003e\u003cp\u003eIt is less suitable for projects requiring high weldability or complex fabrication where a more weld-friendly alloy is preferred, and users needing very tight inner-diameter clearance should verify the fit because a few customers reported the inner diameter can be slightly smaller than expected.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh strength and rigidity from A513\/1018 steel make it reliable for load-bearing parts.\u003c\/li\u003e\n\u003cli\u003eDOM construction delivers good roundness and concentricity for machining and press fits.\u003c\/li\u003e\n\u003cli\u003e24in length and standard diameters reduce the need for additional splicing or couplings.\u003c\/li\u003e\n\u003cli\u003eCustomers report strong value for money and consistent steel quality in use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLower machinability and weldability compared with some steels can complicate fabrication for certain tasks.\u003c\/li\u003e\n\u003cli\u003eInner diameter may be slightly undersized versus expectations, so measure before tight-tolerance builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\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\u003e1018 cold roll carbon steel (A513)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd\u003e2-1\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInside Diameter\u003c\/td\u003e\n\u003ctd\u003e1.885 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\u003e24 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe A513 cold roll carbon steel round tubing is a sensible choice for anyone needing a strong, concentric steel tube for shafts, pins, and structural uses. It offers good value and consistent manufacturing quality for machining and mechanical assemblies, but buyers who require easier welding or extremely tight inner-diameter tolerances should consider alternative alloys or confirm dimensions before ordering.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this tubing welded or seamless?\u003c\/strong\u003e\u003cbr\u003eIt is drawn over mandrel (DOM) tubing manufactured to A513, which provides improved roundness and concentricity compared with basic welded tube.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I weld this material easily?\u003c\/strong\u003e\u003cbr\u003eAs 1018 cold roll carbon steel, it has slightly lower weldability than some steels, so welding may require proper prep and technique.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the inner diameter accept a standard shaft?\u003c\/strong\u003e\u003cbr\u003eMost shafts will fit, but some customers noted the inner diameter can be slightly smaller than expected, so measure before building tight-tolerance assemblies.\u003c\/p\u003e","brand":"Online Metals","offers":[{"title":"Default Title","offer_id":48191544656091,"sku":"B000H9P7CU","price":38.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51RCqvxR91L._AC_SL1000_605fb226-b6f6-4759-81e8-208bfcb1146f.jpg?v=1770297564","url":"https:\/\/gearmusthave.com\/products\/a513-cold-roll-carbon-steel-round-tubing-24in-length-durable-2-1-8in","provider":"GearMustHave","version":"1.0","type":"link"}