Welcome to visit Boai Steel Group Website!
Welcome to visit Boai Steel Group Website!
Welcome to visit Boai Steel Group Website!
Location:Product Center >> ERW Steel Pipe >> Oil/Gas Line Pipe
  • 产品名称: Oil/Gas Line Pipe
  • 产品编号: 008
  • Views : 133

Name of product: Oil/Gas Line Pipe
Standard: GB/T9711-2011   PSL2
Grade of Steel: L360M
Specification: Φ219.1×9.5×12000mm
Technical requirement
O.D. tolerance: pipe body≤± 1.6mm ; pipe end≤±1.1mm
Tolerance of Wall Thickness: ≤±0.1t
Out of Roundness:pipe body≤4.3mm,pipe end≤3.2mm
Tolerance of Length : 0—+20mm;
Straightness: pipe length≤0.2%L; pipe end≤4.0mm in 1.0m;
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≥20.5MPa   time holding test pressure≥5s;
NDT: the full length (100%) of welding seam UT