ERW WELDED steel pipe and tube

1ERW WELDED steel pipe and tube
2sj pipe
3a*b:91*91*r65
4thickness(mm)1.5~3.5
5ISO9001
ERW WELDED steel pipe and tube--sj pipe
a*b:91*91*r65
thickness(mm)1.5~3.5
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