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        Location:产品首页 >> Product Center >> ERW Steel Pipe >> Weld Steel Pipe for Presure Liquid Delivery
        • 产品名称: Weld Steel Pipe for Presure Liquid Delivery
        • 产品编号: B006
        • Views : 45

        Name of product: Welded steel pipes for low pressure liquid delivery
        Standard: GB/T3091-2008
        Grade of Steel: Q345B
        Specification: Φ219.1×7.5×12000mm
        Technical requirement
        O.D. tolerance: pipe body ±1%D
        Tolerance of Wall Thickness: ≤±0.1t
        Out of Roundness:≤±1%D;
        Tolerance of Length : 0—+20mm;
        Straightness: pipe length≤0.2%L;
        Out of squareness: ≤3mm
        Bevel angle: 30°-35°
        Width of root face: 1.6±0.8mm
        Outside bur: almost abreast with the base metal
        Inside bur: ≤1.5mm, radial offset ≤0.4mm
        Hydrostatic Pressure Test≥5MPa   time holding test pressure≥5s