Square Hollow Section Hot

40x40x5, 50x50x3.2, 50x50x4, 50x50x5, 50x50x6.3, 60x60x3.2, 60x60x4, 60x60x5, 60x60x6.3, 60x60x8, 70x70x3, 70x70x3.6, 70x70x5, 70x70x6.3, 70x70x8, 80x80x3, 80x80x3.6, 80x80x4, 80x80x5, 80x80x6.3, 80x80x8, 80x80x10, 90x90x3.6, 90x90x4, 90x90x5, 90x90x6.3, 90x90x8, 100x100x4, 100x100x5, 100x100x6.3, 100x100x8, 100x100x10, 100x100x12.5, 120x120x4, 120x120x5, 120x120x6.3, 120x120x8, 120x120x10, 120x120x12.5, 140x140x5, 140x140x6.3, 140x140x8, 140x140x10, 140x140x12.5, 150x150x5, 150x150x6.3, 150x150x8, 150x150x10, 150x150x12.5, 180x180x5, 180x180x6.3, 180x180x8, 180x180x10, 180x180x12.5, 200x200x5, 200x200x6, 200x200x8, 200x200x10, 200x200x12.5