{"product_id":"7-8-in-od-a513-cold-roll-carbon-steel-round-tubing-48-in-length","title":"7\/8 in OD A513 Cold Roll Carbon Steel Round Tubing - 48 in Length","description":"\u003cp\u003eIn this review the 7\/8 in OD A513 cold roll carbon steel tubing is presented for fabricators, machinists, and hobbyists who need a strong, straight shafting option. The bottom line: this 48 in length of drawn over mandrel 1018 steel delivers reliable strength and rigidity for pins, rods, shafts, and spindles while meeting \u003cstrong\u003eASTM A513\u003c\/strong\u003e standards, making it a practical choice when dimensional stability and steel quality matter more than ease of welding or high machinability.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA513 cold roll construction:\u003c\/strong\u003e provides improved straightness and surface finish compared with hot-rolled tubing, which helps reduce finishing work for shaft or rod applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7\/8 in outside diameter:\u003c\/strong\u003e a common shafting size that fits many collars, bearings, and brackets used in repair and fabrication projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.563 in inside diameter and 0.156 in wall:\u003c\/strong\u003e a combination that balances internal clearance with wall strength for loaded pins and spindles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e48 in length:\u003c\/strong\u003e long enough for full-length shafts or cut-to-size projects without the need to join sections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1018 carbon steel:\u003c\/strong\u003e offers good tensile strength and rigidity for mechanical components such as sprockets and spindles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeets ASTM-A513:\u003c\/strong\u003e assures the tubing conforms to a recognized specification for mechanical and dimensional properties.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis tubing is aimed at small machine shops, metalworkers, and do-it-yourself mechanics who need dependable steel shafting for projects like replacement shafts, fuel tank linkage, or custom spindles. Its strength and straightness make it well suited for load-bearing parts and rotating components.\u003c\/p\u003e\n\u003cp\u003eThose who require extremely high weldability, easy machining for complex shapes, or corrosion resistance absent further finishing should look elsewhere or plan for additional processing such as welding-friendly filler, machining allowances, or protective coatings.\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 strength and rigidity that hold up in mechanical applications and repairs.\u003c\/li\u003e\n\u003cli\u003eSurface finish and straightness from drawn over mandrel processing reduce the need for truing.\u003c\/li\u003e\n\u003cli\u003ePositive customer feedback on steel quality and value for money indicates practical suitability for common tasks.\u003c\/li\u003e\n\u003cli\u003eFull 48 in length allows flexibility for cutting to required sizes without joins.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLower machinability and weldability compared with softer alloys may require adjusted techniques or tooling.\u003c\/li\u003e\n\u003cli\u003eSome users report the inner diameter can be slightly smaller than nominal, which may affect tight-fit clearances.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\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\u003eManufacture\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\u003e0.875 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInside diameter\u003c\/td\u003e\n\u003ctd\u003e0.563 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall thickness\u003c\/td\u003e\n\u003ctd\u003e0.156 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e48 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eMeets ASTM-A513\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone needing sturdy, straight shafting for mechanical repairs or shop projects, this 7\/8 in OD A513 tubing is a pragmatic and cost-effective choice. Its combination of \u003cstrong\u003e1018 carbon steel\u003c\/strong\u003e, drawn over mandrel finish, and full 48 in length delivers value where strength and dimensional stability matter; just plan for slightly reduced machinability and confirm internal clearance on tight-fit parts.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this tubing suitable for shafts and pins?\u003c\/strong\u003e\u003cbr\u003eYes, the 1018 carbon steel and wall thickness make it well suited for pins, rods, shafts, and spindles when strength and rigidity are required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be welded and machined easily?\u003c\/strong\u003e\u003cbr\u003eIt can be welded and machined, but A513\/1018 has slightly lower weldability and machinability than softer steels, so expect adjusted techniques or tooling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the dimensions exact to nominal?\u003c\/strong\u003e\u003cbr\u003eDimensions generally match the spec, but some users report the inner diameter may be slightly under nominal, so check fit for tight-tolerance applications.\u003c\/p\u003e","brand":"Online Metals","offers":[{"title":"Default Title","offer_id":48648480260315,"sku":"B000H9M7HI","price":62.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51RCqvxR91L._AC_SL1000_865045c5-9b54-4e61-93ad-c118ad4cfb4e.jpg?v=1778734873","url":"https:\/\/gearmusthave.com\/products\/7-8-in-od-a513-cold-roll-carbon-steel-round-tubing-48-in-length","provider":"GearMustHave","version":"1.0","type":"link"}