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    Product

    10# Square Tube



    Implementation Standards

    Seamless pipe: GB/30942000, weld pipe: GB/67282002


    Applicable Scope


    The use of square construction, machinery manufacturing, shipbuilding, steel construction projects, solar power support, steel structure engineering, power engineering, power plant, agricultural and chemical machinery, glass curtain wall, car chassis, airport, boiler construction, highway railings, housing construction, pressure vessels, oil tanks, bridges, power station equipment. Cranes and other high load welding etc..



    Chemical Composition


    Q345A:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.035,S≤0.035;
    Q345B:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.035,S≤0.035;
    Q345C:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.030,S≤0.030,Al≥0.015;
    Q345D:C≤0.18,Mn ≤1.70,Si≤0.50,P≤0.030,S≤0.025,Al≥0.015;
    Q345E:C≤0.18,Mn ≤1.70,Si≤0.50,P≤0.025,S≤0.020,Al≥0.015;
    Q345A、B、C、D、E均含Nb≤0.07,V≤0.15,Ti≤0.20,Cr≤0.30,N≤0.012,Mo≤0.10。


    Mechanical Property

    Plain Carbon Steel

    Q235 tensile strength: 375 ~ 500, yield strength is more than 235, the elongation rate: = 25

    No. 20: 390 to 530, the tensile strength yield strength is more than 235, the elongation rate: = 20

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    ADD:Wuxi Liang Xi District Jinshan North Industrial Park
    TEL:+86-0510-8307-4477
    FAX:+86-0510-8307-4488
    E-mail:kikoquan@mingshangsteel.com

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