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Hot Rolled Round Carbon Steel ASTM 4140 4130 1020 1045 Alloy Metal Iron Steel Rod Bar

1.Standard: SAE1006/1008, 10#, 20#, 35#,45#, Q195, Q235

2.Size: 1/8 inch (3 mm) - 12 inches (300 mm)

3.Tolerance: +/-2%

4.Place of origin: Tianjin,China

5.Delivery Time: 7-10 days in stock,about 30 days for customized

It's commonly used across multiple industries for structural and fabrication purposes.

    Specification

    Product name

    Round bar

    Standard

    SAE1006/1008, 10#, 20#, 35#,45#, Q195, Q235

    Size

    1/8 inch (3 mm) - 12 inches (300 mm)

    Tolerance

    ±2%

    Shipping date

    7-10 days in stock,about 30 days for customized

    Place of origin

    Tianjin,China

    Advantages of Round bar

  • Uniform Strength
    The circular cross-section distributes stress evenly, making it strong under tension and compression.

  • Easy Machinability
    Suitable for CNC turning, threading, drilling, and milling, making it a popular choice in machining applications.

  • Versatility
    Used in construction, automotive, aerospace, manufacturing, and DIY projects.

  • Smooth Finish
    Round bars typically have a polished or smooth finish, which is ideal for aesthetic and mechanical applications.

  • Wide Range of Materials
    Available in multiple grades of steel, aluminum, brass, and other metals to suit different needs (e.g., corrosion resistance, conductivity).



  • round bar detailround bar detail1微信图片_20250624145448

    Application Cases

    Application

    Machinery

    profile application (13)

    Construction

    Package&Shipment 

    Ideal for use in structural components, machine shafts, and high-precision applications. With options in cold-drawn, ground & polished, and mirror finishes, our round bars meet the exacting standards of aerospace, marine, and medical industries.

    round bar packing (2)

    Package 

    round bar packing (1)

    Shipment

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