spiral steel pipe

1.spiral steel pipe
2.good quality
3.cheap price
4.wonderful service
spiral steel welded pipe
standard GB/T 9711.1-1997,GB/T 3091-2001
Grade:16Mn,Q195-Q345,L210,L245, L290,L360,L415,A,B,X42,X46,X52,X56,X60
Thickness:6-20mm
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/per year