{"product_id":"a513-cold-roll-carbon-steel-round-tubing-5-8-in-od-durable-shaft","title":"A513 Cold Roll Carbon Steel Round Tubing 5\/8 in OD - Durable Shaft","description":"\u003cp\u003eIn this review the A513 cold roll carbon steel round tubing is evaluated as a straightforward, hardworking material for mechanical and fabrication projects. The bottom line: this tube is best for anyone seeking a durable 1018-grade shaft or pin stock with consistent wall thickness and tensile strength, especially where rigidity matters more than ease of machining. Its primary appeal is strength and dimensional suitability for pins, rods, spindles, and sprockets, making it a practical choice for repairs and small builds rather than decorative or precision-bore applications.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA513 construction:\u003c\/strong\u003e provides high strength and rigidity for load-bearing components where material stiffness is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\/8 in outside diameter:\u003c\/strong\u003e a common OD that fits many bushings and bearings used in light machinery and automotive projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.39 in inside diameter with 0.12 in wall:\u003c\/strong\u003e gives a useful balance between strength and internal clearance for shafts or sleeve applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e72 in length:\u003c\/strong\u003e long enough to cut multiple parts or stock spindles and shafts from a single piece, reducing waste.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1018 carbon steel:\u003c\/strong\u003e a familiar grade for pins, rods, and sprockets that machines acceptably once you factor in slightly reduced machinability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeets ASTM A513:\u003c\/strong\u003e assures buyers the tubing follows a recognized specification for cold rolled steel tubing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis tubing suits hobbyists, machinists, and maintenance technicians who need sturdy round stock for repairs, custom shafts, or structural pins. It is particularly appropriate for automotive uses like fuel tank linkages or custom brackets where toughness and consistent OD are important.\u003c\/p\u003e\n\u003cp\u003eThose who require high weldability, very easy machining, or a guaranteed oversized internal bore should look elsewhere; customers have noted the inner diameter can be slightly smaller than nominal, so precision-bore applications or slip-fit bushings may demand additional reaming or honing.\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\u003eStrong, rigid 1018 carbon steel that performs well in load-bearing roles.\u003c\/li\u003e\n\u003cli\u003eLong 72 in length allows multiple cuts and efficient use for workshop projects.\u003c\/li\u003e\n\u003cli\u003eConsistent OD makes it easy to match with bearings and housings for many applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInner diameter may be slightly under nominal, so some parts may require reaming for a precise fit.\u003c\/li\u003e\n\u003cli\u003eHigher carbon content means slightly reduced machinability and weldability compared with softer steels.\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\u003eMeets ASTM-A513\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e1018 cold roll carbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd\u003e5\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInside Diameter\u003c\/td\u003e\n\u003ctd\u003e0.39 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\u003e72 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 solid, no-frills choice for anyone needing reliable 1018 shaft or pin stock that balances strength with usable dimensions. It represents good value for workshop repairs and fabrication where rigidity is a priority, but buyers should plan to verify and, if necessary, ream the inner diameter for tight-fit applications.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this tubing ready for slip-fit use?\u003c\/strong\u003e\u003cbr\u003eIt is close to nominal, but some buyers report a slightly smaller inner diameter, so plan to measure and ream if a precise slip fit is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be welded and machined easily?\u003c\/strong\u003e\u003cbr\u003eYes, but with caution: 1018 A513 has good strength yet slightly reduced weldability and machinability compared with lower carbon steels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat common uses suit this tubing?\u003c\/strong\u003e\u003cbr\u003eTypical uses include pins, rods, shafts, spindles, sprockets, and other workshop or automotive repair parts.\u003c\/p\u003e","brand":"Online Metals","offers":[{"title":"Default Title","offer_id":48241898127579,"sku":"B000H9LSU0","price":39.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51RCqvxR91L._AC_SL1000_b7ffd2cc-b00f-4b52-a9fc-acd835c76218.jpg?v=1776265738","url":"https:\/\/gearmusthave.com\/products\/a513-cold-roll-carbon-steel-round-tubing-5-8-in-od-durable-shaft","provider":"GearMustHave","version":"1.0","type":"link"}