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 Irrigation
  • 产品名称: Steel Pipe for Irrigation
  • 产品编号: A012
  • Views : 26

Production Name:Steel Pipe for Irrigation
Standard:SY/T5037-2000
Grade: Q235B
Specification:Φ720×8×12000mm
Technical Requirement:
O.D.Tolerance of Pipe: Body≤±0.75%D; End≤±0.50% D或±4.5mm,min value
Tolerance of Wall Thickness:≤±0.1t
Out of Roundness:the end of each steel pipe length 1.0mm within the scope, max diameter≤1%D,min diameter≤1%D
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 ≥4.2 MPa delay time≥10s
Non-destructive Inspection:Every 10pcs extract as least 2pcs shall be inspected RT full length of welded seam.