CR650/980QP材料GB/T 20564.9-2016 CR650/980QP板卷 ¥5.15 CR700/1180QP材料GB/T 20564.9-2016 CR700/1180QP板卷 ¥5.15 CR330/590DH材料GB/T 20564.12-2019 CR330/590DH板卷 ¥5.16 CR440/780DH材料GB/T 20564.12-2019 CR440/780DH板卷 ¥5.16 CR550/980DH材料GB/T 20564.12-2019 CR550/980DH板卷 ¥5.16 CR700/980DH材料GB/T 20564.12-2019 CR700/980DH板卷 ¥5.16