(1)ERW steel pipe size: OD (8'' 8.625'' 10'' 12'' 14 '' 16 '' 18'' 20'' 22'' 24'' 24.8'' 26'') THK (0.196''_0.787''; 5mm-20mm)
(2)Standard: GB/T9711.1-1997; GB/T9711.2-1999; GB/T3091-2008; API SPEC. 5L; API SPEC. 5CT; PSL1; PSL2. EN 10217-1
(3)Material: Q235B. Q345. J55. X42. X52. X60. X65. X70. L245. L290. L360. L415. L450. L485. Gr. A. ASTM A53. A106. Gr. B.
(4)Using: Structure pipe/oil pipe/gas pipe/hydraulic pipe/boiler pipe/fluid pipe
API ERW Carbon Steel Pipes
Standard related to Grade:
No.NameStandardGradesApplication1Casing PipesAPI 5CTH40,K55,
N80-1,J55For oil-gas well casing 2Line PipesAPI 5LA, B--X70
L210--L485For the pipeline transportation of oil and natural gas3Welded Steel Tubes
For Pressure PurposesEN10217-1P195TR1
P195TR2
P235TR1
P235TR2
P265TR1
P265TR2Welded Steel Tubes For Pressure Purposes
Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy ,Fusion Bond Epoxy, 3-layers PE)