{"product_id":"a513-cold-roll-carbon-steel-round-tubing-1-1-8-in-od-durable-tube","title":"A513 Cold Roll Carbon Steel Round Tubing 1-1\/8 in OD - Durable Tube","description":"\u003cp\u003eIn this review of the A513 Cold Roll Carbon Steel Round Tubing, the bottom line is simple: this tube is for fabricators, hobby machinists, and repair technicians who need a strong, dimensionally consistent steel tube for shafts, pins, and structural inserts. The reviewer found that the tube delivers the primary benefit promised by the material spec - notable rigidity and strength from A513\/1018 carbon steel - while offering good value. Our review highlights real-world fit, material behavior, and a practical note about slightly snug inner diameter in some pieces.\u003c\/p\u003e\n\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 rigidity and strength useful for load-bearing parts and structural repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1-1\/8 in outside diameter and 0.89 in inside diameter allow for predictable fit in many retrofit and repair applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall thickness:\u003c\/strong\u003e 0.12 in wall gives a balance of stiffness and machinability for turning or drilling operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 48 in length is long enough for cuts, multiple small parts, or fabrication stock without needing immediate joins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e Meets ASTM-A513 so buyers can expect consistent manufacturing and properties for mechanical uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon uses:\u003c\/strong\u003e 1018 carbon steel is appropriate for pins, rods, shafts, spindles, and sprockets in light- to medium-duty projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis tubing suits metalworkers making replacement shafts, DIYers building small machinery, and shops needing straight, rigid tubing for fixtures or structural inserts. It is particularly useful where steel strength and dimensional stability matter more than ease of welding or extreme machinability.\u003c\/p\u003e\n\u003cp\u003eThose who need maximum weldability, stainless properties, or a very precise oversized inner diameter should consider alternative alloys or machining options; some customers reported the inner diameter can be slightly smaller than expected for tight-tolerance sleeve fits.\u003c\/p\u003e\n\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 for load-bearing and rotating parts.\u003c\/li\u003e\n\u003cli\u003eAccurate outside diameter makes it easy to design mating components around the tube.\u003c\/li\u003e\n\u003cli\u003eLong 48 in lengths reduce waste when multiple pieces or longer runs are required.\u003c\/li\u003e\n\u003cli\u003eMeets ASTM-A513, giving confidence in consistent production quality.\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 smaller than expected on some pieces, requiring reaming or bore finishing for tight fits.\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\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 \/ 1018 carbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside diameter\u003c\/td\u003e\n\u003ctd\u003e1-1\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInside diameter\u003c\/td\u003e\n\u003ctd\u003e0.89 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\u003e48 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe A513 Cold Roll Carbon Steel Round Tubing is a practical choice for anyone needing strong, straight tubing for shafts, pins, or structural parts. It offers reliable ASTM-A513 quality and useful lengths at a good value, though buyers should plan to ream or finish the bore if a precise inner diameter is required. Overall, it is recommended for fabricators and hobbyists who prioritize strength over maximum weldability.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this tubing easy to weld?\u003c\/strong\u003e\u003cbr\u003eIt welds acceptably for 1018 carbon steel but has slightly reduced weldability compared with lower-carbon steels, so proper technique and preheat may help.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the inner diameter be enlarged to fit a shaft?\u003c\/strong\u003e\u003cbr\u003eYes, customers commonly ream or bore the ID to achieve a precise fit; some units arrive with the ID slightly snug.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the length single piece?\u003c\/strong\u003e\u003cbr\u003eYes, the product is supplied as a single 48 in length suitable for cutting to size or using as long stock.\u003c\/p\u003e","brand":"Online Metals","offers":[{"title":"Default Title","offer_id":48189688447195,"sku":"B000H9NM0O","price":43.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51RCqvxR91L._AC_SL1000_eac95f37-f1c0-475d-9c56-2b09749ee4a2.jpg?v=1769605043","url":"https:\/\/gearmusthave.com\/products\/a513-cold-roll-carbon-steel-round-tubing-1-1-8-in-od-durable-tube","provider":"GearMustHave","version":"1.0","type":"link"}