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        Location:产品首页 >> Product Center >> ERW Steel Pipe >> API 5L Line Steel Pipe
        • 产品名称: API 5L Line Steel Pipe
        • 产品编号: 000
        • Views : 383

        Name of product: API Line Steel Pipe
        Standard: API5L 45th edition PSL1
        Grade of steel: GR.B 
        Specification: Φ355×9.52×12000mm
        Technical requirement:
        O.D. tolerance: pipe body≤±2.6mm; pipe end≤±1.6mm
        Tolerance of Wall Thickness: ≤±0.1t
        Out of Roundness:pipe body≤7.1mm,pipe end≤5.3mm
        Tolerance of Length: 0—+20mm
        Straightness: pipe length≤0.2%L; pipe end in the 1.0≤4.0mm
        Out of squareness: ≤1.6mm;
        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 ≤0.05t
        Imitate normalizing heat treatment;
        Hydrostatic Pressure Test≥7.9MPa   time holding test pressure≥5s
        NDT: the full length (100%) of welding seam UT