Q355B: 40-200mm Q245RR-HIC 8-40mm Q345RR-HIC 8-40mm Q245R/345R正火 8-120mm 09MnNiDR 8-100mm 15CrMoR 8-40mm SA387Gr11C12 8-40mm SA516Gr70 8-60mm 20/45：6-50mm NM400/NM500：6-100mm Q550/Q690：8-200mm 等材质中厚钢板，常备库存可根 据客户需要定轧各种规格
