steel pipe circular pipe

1steel pipe circular pipe
2dia.(mm):12.7~114
3thickness(mm)0.5~4
4ISO9001
5best price
steel pipe circular pipe
dia.(mm):12.7~114
thickness(mm)0.5~4
Surface treatment
1.black without surface treatment
2.white without surface treatment
3.hot dipped galvanized
4.zinc-plate
5.made with pre-galvanized steel plate
ISO9001
best price