{"product_id":"a513-cold-roll-carbon-steel-round-tubing-3in-od-0-50in-wall","title":"A513 Cold Roll Carbon Steel Round Tubing 3in OD 0.50in Wall","description":"\u003cp\u003eIn this review the A513 cold roll carbon steel round tubing is evaluated for workshop and fabrication use; it stands out for strength and rigidity, making it a practical choice for heavy-duty shafts, pins and structural components. The bottom line: anyone who needs a robust, ASTM-A513 compliant tube with a thick 0.50in wall and a long 72in length will appreciate this piece for its material integrity and fit for mechanical parts. The review focuses on real-world fit, steel quality, and typical limitations in machinability and inner diameter tolerance.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e A513 cold roll carbon steel provides high strength and rigidity useful for structural and mechanical applications where stiffness is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 3in outside diameter and 2in inside diameter with a 0.50in wall offers substantial cross-section for heavy loads and torque transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e The 72in length is long enough for full-length shafts, rails, or to cut multiple shorter pieces from a single tube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e Meets ASTM-A513, which gives confidence in consistent manufacturing and suitability for common industrial uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical uses:\u003c\/strong\u003e 1018 carbon steel composition is suited for pins, rods, shafts, spindles and sprockets where strength and wear resistance matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis tubing is aimed at fabricators, machine shops, restoration specialists and hobbyists who need a strong, long, round tube for load-bearing or rotating components. It is particularly useful when a full-length piece is required to machine multiple parts or to create long shafts without welds.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include projects requiring high weldability or very tight inner diameter tolerances; customers expecting easy machining comparable to low-carbon steels should be aware that A513 has slightly lower machinability and may need different tooling and feeds.\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 make it dependable for pins, shafts and heavy fittings.\u003c\/li\u003e\n\u003cli\u003eMeets ASTM-A513 so it aligns with common industry expectations for tubing quality.\u003c\/li\u003e\n\u003cli\u003eLong 72in length and substantial 0.50in wall let you cut multiple components from one piece, saving time on sourcing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMachinability and weldability are slightly lower than softer steels, so cutting and joining may require more care.\u003c\/li\u003e\n\u003cli\u003eSome users note the inner diameter can be slightly under nominal, which may need reboring for tight-fit applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\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\u003eA513 cold roll carbon steel (1018).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd\u003e3in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInside Diameter\u003c\/td\u003e\n\u003ctd\u003e2in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness\u003c\/td\u003e\n\u003ctd\u003e0.50in\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\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe A513 cold roll carbon steel round tubing is a solid, value-oriented choice for users who need a stiff, long tube for mechanical parts and structural roles; its ASTM-A513 compliance and 0.50in wall make it particularly good for shafts and heavy fittings. Buyers who can accommodate slightly tougher machining and check inner diameter before final assembly will find it a dependable, cost-effective material.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this tubing weldable?\u003c\/strong\u003e\u003cbr\u003eYes, but A513 is a higher carbon alloy with slightly lower weldability than mild steel, so proper preheat and welding procedures are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the inner diameter be accurate for a press fit?\u003c\/strong\u003e\u003cbr\u003eMost customers find the dimensions accurate, but some report the inner diameter can be a little smaller than nominal, so measure and bore if a precise press fit is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I machine this material easily?\u003c\/strong\u003e\u003cbr\u003eThe tubing machines well for shafts and spindles but has slightly lower machinability than very low-carbon steels, so use appropriate tooling and feeds.\u003c\/p\u003e","brand":"Online Metals","offers":[{"title":"Default Title","offer_id":48653298696411,"sku":"B000H9PB44","price":371.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51RCqvxR91L._AC_SL1000_ad8cc43d-9dce-48ba-82c7-59e87585f943.jpg?v=1778540515","url":"https:\/\/gearmusthave.com\/products\/a513-cold-roll-carbon-steel-round-tubing-3in-od-0-50in-wall","provider":"GearMustHave","version":"1.0","type":"link"}