Seamless Square Steel Tubes By Hebei Borun Steel Trade Co., Ltd

We are offering our customers a wide range of Seamless Square Steel Tubes, which are available following Specifications :-
1) Dimensions: 30*30mm-400*600mm, Thickness: 2-25mm Length: <13m
2) Material: Q195, Q235, Q345, 20#, 16Mn, ST37/44/ST52, ASTM A53/106, STKR490/STKR400, ASTM A500 GR, S355, S275, S2353)
Standards: JISG 3466, DIN EN 10210, DIN EN10219, ASTM A500, GB/T 3094-2000, GB/T 6728-20024)
Applications: construction structure, machinery making, container, hall structure, offshore oil field, sea trestle, motorcar chassis, airport structure, shipbuilding, automobile axle pipe and so on.
5) Packing: in bundles with strong steel strips or according to customers' requests
6) Surface: oiled or black painted to prevent rust