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Low-Priced ASTM A53 A106 Gr.B Low-Carbon Steel Seamless Tubes from China Suppliers & Factory - Sch40 Sch80

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Carbon steel pipes are essential products manufactured from perforated steel ingots or solid round steel, processed through methods such as hot rolling, cold rolling, or cold drawing. As a cornerstone of the steel pipe industry in China, these pipes are widely utilized across various industrial applications.

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Key characteristics of carbon steel pipes include:

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Strength and Toughness: Hot-rolled carbon steel pipes have a rough surface but exhibit excellent toughness, while cold-rolled variants feature a smooth finish and enhanced strength.

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Application Fields: Carbon steel pipes find extensive use in construction applications such as bridges, buildings, and brackets. In the industrial sector, they are vital for manufacturing mechanical components and fluid delivery pipelines.

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As a leading China supplier and factory of carbon steel pipes, we are committed to delivering high-quality products that meet the diverse needs of our customers worldwide.

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    Carbon Steel Pipe

    Carbon steel pipes are classified into two categories: hot-rolled and cold-rolled (drawn) steel pipes.

    Hot-rolled carbon steel pipes include general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes, and other steel pipes.

    Cold-rolled (drawn) carbon steel pipes, in addition to the general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, and other steel pipes, also include carbon thin-walled steel pipes, alloy thin-walled steel pipes, stainless thin-walled steel pipes, and special-shaped steel pipes.

    Hot-Rolled Seamless PipesOuter diameter > 32mm, wall thickness 2.5–75mm
    Cold-Rolled Seamless PipesOuter diameter down to 6mm, wall thickness down to 0.25mm
    Thin-Walled PipesOuter diameter down to 5mm, wall thickness < 0.25mm

    General carbon steel pipes are made from high-quality carbon structural steels such as 10, 20, 30, 35, and 45, low-alloy structural steels such as 16Mn and 5MnV, or alloy steels such as 40Cr, 30CrMnSi, 45Mn2, and 40MnB, through hot rolling or cold rolling. Seamless pipes made from low-carbon steels such as 10 and 20 are mainly used for fluid transportation pipelines. Seamless pipes made from medium-carbon steels such as 45 and 40Cr are used to manufacture mechanical parts, such as load-bearing parts for automobiles and tractors. General-purpose carbon steel pipes must guarantee strength and pass flattening tests. Hot-rolled steel pipes are delivered in hot-rolled or heat-treated condition; cold-rolled pipes are delivered in heat-treated condition.

    Low-priced ASTM A53 A106 Gr B Low Carbon Steel Seamless Tubes
    Why Choose Our Carbon Steel Pipe?
    Crafted from high-quality carbon steel, this pipe boasts exceptional strength and corrosion resistance, making it ideal for transporting fluids, gases, or solid materials. Its seamless design ensures optimal performance and minimal leakage, while its smooth interior surface reduces friction and promotes efficient flow. Whether you need a reliable piping system for your manufacturing plant, construction site, or chemical processing facility, the Carbon Steel Pipe is up to the task. With its superior durability and ease of installation, it's no wonder why it's a go-to choice for professionals worldwide.
    Product Parameters
    Product Name Seamless steel pipe
    Material 20#/20G/45#/Q355B/C/D/E/27SiMn20CR/40CR/15CRMO/15CRMOG/20CRMO/35CRMO/42CRMO/P91/P92/12CR1MOV/12CR1MOVG/A106GR.B/A333GR.6/Q195, Q235(A, B, C, D), Q345(A, B, C, D), ASTM A500, A53, A36, S235JR, S235J0H, S235J2H, S275JR, S275J0H, S275J2H, S355JR, S355JOH, S355J2H, C250LO, C350LO
    Thickness 1mm ~ 100mm
    Width 10mm ~ 3200mm
    Length Customer required (1–12m)
    Tolerance Thickness: ±0.1mm  |  Width: ±5mm  |  Length: ±5mm
    Surface Black / White
    Technique Hot Rolled / Cold Drawing
    MOQ 1 Ton
    Payment Terms T/T, L/C, Western Union, etc.
    Price Term Ex-work, FOB, FCA, CIF, CFR, DDU, etc.
    Package Export standard package, suitable for all kinds of transport, or as required
    Delivery Time Within 15 days after deposit payment
    Application Steel structure, bridge, formwork
    Advantages ✔ Reasonable price with excellent quality
    ✔ Abundant stock and prompt delivery
    ✔ Rich supply and export experience, 24-hour sincere service
    Packing And Shipping
    Carbon Steel Pipe Packing and ShippingHigh Quality Stainless Steel Sheet Plate
    Frequently Asked Questions (FAQ)
    What is the difference between hot-rolled and cold-rolled carbon steel pipes?
    Hot-rolled carbon steel pipes are produced at high temperatures and generally have an outer diameter greater than 32mm with wall thicknesses of 2.5–75mm. Cold-rolled (drawn) pipes are manufactured at room temperature, allowing for tighter dimensional tolerances, smaller outer diameters (down to 6mm), and thinner walls (down to 0.25mm). Cold-rolled pipes offer higher dimensional accuracy than hot-rolled pipes.
    What materials are available for your carbon steel seamless pipes?
    We offer a wide range of materials including 20#, 45#, Q355B/C/D/E, 40CR, 15CRMO, 42CRMO, P91, P92, A106 GR.B, A333 GR.6, Q235, Q345, ASTM A500, A53, A36, S355JR, and many more. Please refer to the product parameters table for the full material list or contact us with your specific requirements.
    What is the minimum order quantity (MOQ)?
    The minimum order quantity is 1 Ton. For bulk orders or special size requirements, please contact our sales team to discuss pricing and availability.
    What are the available payment and shipping terms?
    We accept T/T, L/C, and Western Union as payment methods. For shipping, we support multiple trade terms including Ex-works, FOB, FCA, CIF, CFR, and DDU. Our team will work with you to find the most suitable arrangement based on your location and requirements.
    How long is the delivery time?
    Standard delivery time is within 15 days after receipt of the deposit payment. For large volume orders or custom specifications, lead times may vary. Please contact us in advance to confirm the exact delivery schedule for your order.
    What industries and applications are carbon steel pipes suitable for?
    Carbon steel pipes are widely used across many industries including oil and gas, construction, automotive, chemical processing, and manufacturing. Common applications include fluid and gas transportation pipelines, steel structures, bridges, formwork, and mechanical load-bearing components such as parts for automobiles and tractors.

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