Dia: 30*30-800*800mm T: 2-25MM Material:Q235B,Q345B,20#,ST44/52,STKR400/490 Standard:EN10210,EN10219,GB/T3094-2000,JISG3466 SQUARE HOLLOW SECTION 

Features:

1) Dimentions: 20*20mm-800*800mm,  Thickness: 2mm-25mm        Length: <13m

2) Material: Q235, Q345, 20#, ST37, ST44, ST52, ASTM A53, ASTM A106,STKR490

3) Standards: JIS G 3466, DIN EN 10210, DIN EN10219, ASTM A500, GB/T 3094-2000, GB/T 6728-2002

4) Use: construction structure, machinery making, container, hall structure, sun seeker, offshore oil field, sea trestle, motorcar cassis, airport structure, shipbuilding, automobile axle pipe and so on.

5) Packing: square shape bundles wrapped with strong steel strip or according to customers'  requests

6) Surface: oiled or black painted to prevent rust

7) Plain or beveled ends

8) OEM available  

stainless square hollow section