3Cr2MnNiMo预加硬塑胶模具钢3Cr2MnNiMo圆棒、板材、簿板、中板3Cr2MnNiMo价格3Cr2MnNiMo成分3Cr2MnNiMo用途3Cr2MnNiMo性能牌号化学成份CSiMnCrNiMoVPS3Cr2MnNiMo0.33-0.370.15-0.350.80-1.01.65-1.750.4-0.50.4-0.5---http://)