Technique:

welded or seamless

Standards:

JIS G3466 DIN EN10210 DIN EN10219 ASTM A500 GB/T 3094-2000 GB/T6728-2002

Coated surface

300-400g/sm

Size

from 20*20mm to 500*500mm

Wall thickness:

1mm-6mm,as your requirement

Length

3-12m or as your requirement

Grade

First grade

Tolerance of outer diameter:

more or less than 0.3mm

Usage:

Construction, bridge ,highway ,building materials ,fence ,heating facilities etc

Material

Q235 Q345 20# ST37 St44 st52 ASTM A53 ASTM A106 Q195/Q215/Q235/Q345/20# STKR490

Packing

square shape bundles wrapped with strong steel strip or according to the customers requests

Surface:

oiled or black painted to prevent rust

OEM available