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        Location:产品首页 >> Product Center >> ERW Steel Pipe >> Oil/Gas Line Pipe
        • 产品名称: Oil/Gas Line Pipe
        • 产品编号: 008
        • Views : 133

        Name of product: Oil/Gas Line Pipe
        Standard: GB/T9711-2011   PSL2
        Grade of Steel: L360M
        Specification: Φ219.1×9.5×12000mm
        Technical requirement
        O.D. tolerance: pipe body≤± 1.6mm ; pipe end≤±1.1mm
        Tolerance of Wall Thickness: ≤±0.1t
        Out of Roundness:pipe body≤4.3mm,pipe end≤3.2mm
        Tolerance of Length : 0—+20mm;
        Straightness: pipe length≤0.2%L; pipe end≤4.0mm in 1.0m;
        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≥20.5MPa   time holding test pressure≥5s;
        NDT: the full length (100%) of welding seam UT