Welcome to visit Boai Steel Group Website!
Welcome to visit Boai Steel Group Website!
Welcome to visit Boai Steel Group Website!
Location:Product Center >> Spiral Steel Pipe >> Oil/Gas Line Pipe
  • 产品名称: Oil/Gas Line Pipe
  • 产品编号: 001
  • Views : 237

Production Name;Oil/Gas Line Pipe
Standard:GB/T9711-2011 PSL2
Grade: X52/L360
Specification: Φ820×12×12000mm
Technical Requirement:
O.D.Tolerance of Pipe: Body≤±0.5D; whichever is the greater :±4.0mm;End≤±1.6mm
Tolerance of Wall Thickness:≤±0.1t
Out of Roundness:Body≤0.015D, whichever is the greater :±15mm,End≤0.01D;whichever is the greater ;±13mm
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
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 ≥9.5 MPa delay time≥10s
Non-destructive Inspection:100% whole pipe body