钢带0.2-3.0*20-300 硬度:软态,中硬,全硬态。圆管:9, 12, 14, 16, 18, 19, 22, 25, 27, 30, 32,35, 38, 39. 42, 46, 48, 50, 52, 57, 60, 63, 65、76、80 、89、101
方管:11*11, 12.7*12.7, 14*14 , 15*15,16*16, 17*17, 19*19, 20*20, 22*22,25*25, 30*30, 35*35,38*38, 40*40, 50*50,60*60
矩形管:15*8,20*10, 23*11, 25*13, 25*15、30*15, 30*20,33*21, 38*25, 40*20,40*30,50*25, 60*15,60*30, 60*40, 75*15,75*45 ,80*10,80*40,100*20, 100*50椭圆管:75*42,62*38,46*28,38*23,70*30