长期供应优质槽钢，圆钢，碳元。冷拉光元

槽钢理论重量规 格型 号重量/米(kg)50*37*4.55#5.4463**40*4.86.3#6.63565*40*4.86.5#6.780*43*58#8.045100*48*5.310#10.007120*53*5.512#12.06126*53*5.512.6#12.37140*60*814#A14.53140*60*814#B16.73160*63*6.516#A17.23160*65*8.516#B19.755180*68*718#A20.17180*70*918#B23200*73*720#A22.637200*75*920#B25.777220*77*722#A24.999220*79*922#B28.453240*78*724#A26.86240*80*924#B30.628250*78*725#A27.41250*80*925#B31.335270*82*7.527#A30.838270*84*9.527#B35.077280*82*7.528#A31.427280*84*9.528#B35.823300*85*7.530#A34.463300*87*9.530#B39.173320*88*832#A38.083320*90*1032#B43.107360*96*936#A47.814360*98*1136#B53.466400*100*10.540#A58.928400*102*12.540#B65.208