we are the biggest manufacture and export of the ERW steel pipe in china

the size for the rec. from : 9* 19-60* 120.
thickness : from 0.5-3.75mm

We are the manufacturer and exporter of ASTM a500 gr. B / gr. C and EN 10219 2006 Swelded steel hollow section, the size from 4" x4" --16" x16" or 80X80--400X400
Wall thickness 0....

we are manufacture and exporter of the erw steel pipe
Features:
1) High-frequency welded
2) Size: 1/ 2" -----2" available 12.7mm--75mm
4) Thickness: 0.50 - 2.50mm
5) wall....

we r one of the biggest manufacture and exporter of the ERWsteel pipe .

the size for the square tube we couls supply as follows :
the size : from 12.7* 12.7- 80* 80 , ....

We are the manufacturer and exporter Rectangular pipe

Specification

SIZE and Wall thickness

from 100x80mm to 500x300mm thickness from 2.5 mm to 14mm

Steel specification: ....