{"product_id":"a513-cold-roll-carbon-steel-round-tubing-1-5-8-in-od-72-in-length","title":"A513 Cold Roll Carbon Steel Round Tubing 1-5\/8 in OD - 72 in Length","description":"\u003cp\u003eOur review of the A513 Cold Roll Carbon Steel Round Tubing looks at whether this 1-5\/8 in outside diameter, 72 in length tube is a practical choice for workshop fabricators and repair technicians. Bottom line: it is best for projects that need a strong, rigid carbon steel shaft or structural tube where adherence to ASTM-A513 matters; reviewers praise its material quality and strength, though a few mention inner diameter tolerance can be slightly tight for press-fit parts. This assessment focuses on build uses like shafts, pins and fuel tank repairs where mechanical strength and consistent wall thickness matter.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eASTM-A513 construction:\u003c\/strong\u003e Provides a standardized manufacturing process so the tubing is suitable for many mechanical and structural applications requiring consistent material properties.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1-5\/8 in outside diameter:\u003c\/strong\u003e Matches common shaft and spacer sizes for repairs or custom machining, making it easy to substitute into existing assemblies.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1.385 in inside diameter:\u003c\/strong\u003e Offers a predictable bore for turning, reaming or using as a sleeve in projects that need controlled clearances.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e0.12 in wall thickness:\u003c\/strong\u003e Balances strength and weight for components like spindles, pins and short drive shafts where rigidity matters without excessive mass.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e1018 carbon steel alloy:\u003c\/strong\u003e Delivers good tensile strength and wear resistance for pins, rods and sprockets while remaining workable for standard machining operations.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e72 in length:\u003c\/strong\u003e Long enough for multiple parts or long runs, reducing joints and allowing multiple cuts from a single piece.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe tubing is aimed at metalworkers, hobby machinists, and repair shops that need a durable 1018 carbon steel tube for shafts, pins, or structural components. It is particularly useful when adherence to \u003cstrong\u003eASTM-A513\u003c\/strong\u003e is important and when a long 72 in length can be cut to multiple needed sizes.\u003c\/p\u003e\n\u003cp\u003eThose who need excellent weldability or the highest machinability should look elsewhere, since this higher-carbon variant trades some ease of welding and cutting for added strength. If precise, oversized inner bore tolerance is required for slip-fit assemblies, verify measurements before ordering because some customers reported a slightly smaller inner diameter than expected.\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\u003eGood material quality and strength that suits mechanical parts like shafts and sprockets.\u003c\/li\u003e\n \u003cli\u003eLong 72 in length lets shops cut multiple pieces and reduces the need for splicing.\u003c\/li\u003e\n \u003cli\u003eMeets ASTM-A513 so it follows an industry standard for drawn-over-mandrel tubing.\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 can run slightly tight for some press-fit or slip-fit applications, requiring additional finishing.\u003c\/li\u003e\n \u003cli\u003eHigher carbon content means slightly reduced weldability and machinability compared with low-carbon steels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eValue\u003c\/td\u003e\n\u003c\/tr\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 carbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOutside diameter\u003c\/td\u003e\n\u003ctd\u003e1-5\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eInside diameter\u003c\/td\u003e\n\u003ctd\u003e1.385 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\u003eThis A513 drawn-over-mandrel tubing is a sensible, cost-effective choice for fabricators needing a strong 1018 carbon steel tube in a long 72 in length. It performs well as shafts, pins and sleeves when strength and standardized manufacture are priorities, though users requiring easy welding or exact oversized bores should plan for additional machining or choose a different alloy.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this tubing welded or seamless?\u003c\/strong\u003e\u003cbr\u003eThe product is drawn over mandrel tubing that meets ASTM-A513 specifications, providing a uniform, mechanically formed tube suitable for structural and mechanical uses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used for shafts and sprockets?\u003c\/strong\u003e\u003cbr\u003eYes, 1018 carbon steel is commonly used for pins, rods, shafts and sprockets due to its strength and wear properties, though final machining may be needed for bearings or tight fits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the inner diameter fit standard bearings?\u003c\/strong\u003e\u003cbr\u003eSome customers noted the inner diameter can be slightly smaller than expected, so measure and finish-bore as needed before installing bearings.\u003c\/p\u003e","brand":"Online Metals","offers":[{"title":"Default Title","offer_id":48194208694491,"sku":"B000H9V5BC","price":91.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51RCqvxR91L._AC_SL1000_a2feda41-0fe4-435b-9c75-63efe771c089.jpg?v=1770224611","url":"https:\/\/gearmusthave.com\/products\/a513-cold-roll-carbon-steel-round-tubing-1-5-8-in-od-72-in-length","provider":"GearMustHave","version":"1.0","type":"link"}