spiral steel pipe

spiral steel pipe
1.API certificate
2.used for petroleum
3.welding steel pipe
spiral steel pipe
Standard: GB/T 9711.1-1997, GB/T 3091-2001
Grade:16Mn, Q195-Q345, L210, L245, L290, L320, L360, L390, L415, A, B X42, X46, X52, X60
Thickness: 6-20 mm
Section shape: round
Outer diameter: 219-2020mm
Place of origin: Jiangsu, china(mainland)
Secondary or not: non-secondary
Technique: SAW
Certification: API
Supply ability: 100000 ton/ton per year