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Welcome to visit Boai Steel Group Website!
Welcome to visit Boai Steel Group Website!
Location:Product Center >> Spiral Steel Pipe >> Steel Pipe for Electric Power
  • 产品名称: Steel Pipe for Electric Power
  • 产品编号: A007
  • Views : 48

Production Name:Steel Pipe for Electric Power
Standard: GB/T9711-2011 PSL1
Grade:Q345B
Specification:Φ508×10×12000mm
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;
Out of squareness ≤1.6mm
Bevelled:30°-35°
Blunted Edge:1.6±0.8mm
Height of outer welded seam:≤3.5mm
Height of inner welded seam:≤3.5mm
Hydrostatic test pressure ≥12.2 MPa delay time≥10s
Non-destructive Inspection::The full length (100%)of welded seam