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 >> Steel Pipe for Coal Gas Delivery
  • 产品名称: Steel Pipe for Coal Gas Delivery
  • 产品编号: A005
  • Views : 84

Production Name:Steel Pipe for coal gas delivery
Standard:API 5L 45th PSL2
Specification:Φ720×10×12000mm
Technical Requirement:
O.D.Tolerance of Pipe: Body≤±0.5%D; 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 ≥7.2 MPa delay time≥10s
Non-destructive Inspection:100% whole pipe body