galvanzied square hollow tube

galvanzed square hollow tube

1) standard : GB/T3094-2000, GB/T6728-2002, JISG3466, ASTM A500, DIN EN10210, DIN EN 10219

2) MATERIAL : Q195,Q215,Q235,Q345,16Mn,10#,20#

3) OUTER DIAMETER:19*19---600*600M

4) WALL THICKNESS:0.7-16MM

5) LENGTH:5.8-12 meter or as customer's request

6) packing : standard export packing in bundles

7)surface : hot dipped gavanized ,oiled or black painted to prevent rust.

8)usage : stent walls,shelf ,ship building ,machinery manufacturing ,automobile axle tube, solar power generation equipment stent,steel furniture.