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 >> Weld Steel Pipe for Presure Liquid Delivery
  • 产品名称: Weld Steel Pipe for Presure Liquid Delivery
  • 产品编号: B006
  • Views : 45

Name of product: Welded steel pipes for low pressure liquid delivery
Standard: GB/T3091-2008
Grade of Steel: Q345B
Specification: Φ219.1×7.5×12000mm
Technical requirement
O.D. tolerance: pipe body ±1%D
Tolerance of Wall Thickness: ≤±0.1t
Out of Roundness:≤±1%D;
Tolerance of Length : 0—+20mm;
Straightness: pipe length≤0.2%L;
Out of squareness: ≤3mm
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 ≤0.4mm
Hydrostatic Pressure Test≥5MPa   time holding test pressure≥5s