Welded Square Hollow Sections
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, .....