俊峰钢材42CrMoH 42CrMoAH 16CrMnH钢材===============【俊峰钢材】==碳锰结构钢棒材： 1572 G15130 G15220 G15240 G15250 G15260 G15270 G15360 G15410 G15470 G15480 G15520 G15510 G15610 G15660 G15720 低合金高强度钢：K11510 K12010 K12810 K02703 K11430 K12043 K11538 K11552 K11567 K11541 K12040 K12032 K12044 K12600 K12700 K01802 K01803 K12000 K02003 K12202 K12249 K11509 K11852