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 >> Tubing
  • 产品名称: Tubing
  • 产品编号: 0002
  • Views : 93

Name of product: Tubing
Standard: API 5CT 9th edition
Grade of steel:J55
Specification: Φ114.30×9.65×12000mm
Technical requirement
O.D. tolerance: -0.5%—1.0%D
Tolerance of Wall Thickness: ≤-12.5%t
Tolerance of Length: 0—+20mm
Straightness: pipe length≤0.2%L; pipe end≤3.18mm in 1.5m
Outside bur: almost abreast with the base metal
Inside bur: ≤1.14mm, radial offset≤0.05t
Imitate normalizing heat treatment;
Hydrostatic Pressure Test≥51.0MPa   time holding test pressure≥5s
NDT: the full length (100%) of welding seam UT
Total length drift test