... and so on.. more details :square tube: 38*38*4, 50*50*4, 75*75*6, 80*80*6, 100*100*8 ... ,rectangular tube: 117*92*4.8, 190*101*9.5,angle: 40*40*4, 50*50*5, 75*75*6 ... *10, 250*70*10,rounb tube: 19*14, 22*18.4, 25.4*20.5, 28*24, 30*26, 32*26, 45 ... : 12.7, 18, 22, 23.7, 25.4,I beam: 25*15*4, 38*15*4, 58*15*4, 200*100*10,other profiles: T-profile 120 ...