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        Location:产品首页 >> Product Center >> Spiral Steel Pipe >> Steel Pipe for Chemical
        • 产品名称: Steel Pipe for Chemical
        • 产品编号: A006
        • Views : 80

        Production Name:Steel Pipe for Chemical
        Standard:GB/T9711-2011 PSL2
        Technical Requirement:
        O.D.Tolerance of Pipe: Body≤±0.75D; whichever is the greater :±3.2mm;End≤±0.50% whichever is the greater: ±1.6mm
        Tolerance of Wall Thickness:≤±0.1t
        Out of Roundness:Body≤0.020D; End≤0.015D;
        Tolerance of Length: ±50mm
        Straightness: Full length ≤0.2%L;the end of each steel pipe length 1.0m within the scope≤4.0mm
        Out of squareness ≤1.6mm
        Blunted Edge:1.6±0.8mm
        Height of outer welded seam:≤3.5mm
        Height of inner welded seam:≤3.5mm
        Hydrostatic test pressure ≥13.5 MPa delay time≥10s
        Non-destructive Inspection:100% whole pipe body