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Welcome to visit Boai Steel Group Website!
Welcome to visit Boai Steel Group Website!
Location:Product Center >> ERW Steel Pipe >> API 5L Line Steel Pipe
  • 产品名称: API 5L Line Steel Pipe
  • 产品编号: 000
  • Views : 329

Name of product: API Line Steel Pipe
Standard: API5L 45th edition PSL1
Grade of steel: GR.B 
Specification: Φ355×9.52×12000mm
Technical requirement:
O.D. tolerance: pipe body≤±2.6mm; pipe end≤±1.6mm
Tolerance of Wall Thickness: ≤±0.1t
Out of Roundness:pipe body≤7.1mm,pipe end≤5.3mm
Tolerance of Length: 0—+20mm
Straightness: pipe length≤0.2%L; pipe end in the 1.0≤4.0mm
Out of squareness: ≤1.6mm;
Bevel angle: 30°-35° 
Width of root face: 1.6±0.8mm;
Outside bur: almost abreast with the base metal
Inside bur: ≤1.5mm, radial offset ≤0.05t
Imitate normalizing heat treatment;
Hydrostatic Pressure Test≥7.9MPa   time holding test pressure≥5s
NDT: the full length (100%) of welding seam UT