Square Steel Tube

Square steel tube-hollow section 20x20x(1.2-2)mm 140x140x(4-10)mm 30x30x(1.5-3)mm 150x150x(4-10)mm 40x40x(1.5-4.5)mm 160x160x(4-12)mm 50x50x(2-5)mm 180x180x(4-12)mm 60x60x(2-5)mm 200x200x(4-14)mm 70x70x(2.5-5)mm 220x220x(5-14)mm 80x80x(2.5-6)mm 250x250x(5-14)mm 90x90x(3-7)mm