ASTM A500 grade B square/hollow rectangular steel tube weigh 

1.Material: Q195,Q215,Q235,Q345

2.Shape: Rectangular

3.Standard: ASTM,BS,GB,GIS,API,etc.

4.Size: 12*12mm/20*40mm-500*500mm/400*600mm

5.Thickness: 1.0-20.0mm

6.Length: 6-12m or as your choice

7.Technique: Hot rolled or cold rolled

8.Surface: Galvanized or customers’ requirement

9.MOQ: 25 Metric Ton(1*20’’container)

10.Payment Term:T/T(30% in advance and the rest before shipment.)

11.Certificate: SGS

12.Application: Construction,Machinery manufacturing, Shipbuilding, Automobile chassis,etc.