Cr系合结钢Φ25-13040Cr新兴铸管4230-热轧;Cr系合结钢Φ131-18040Cr新兴铸管4330-热轧;Cr系合结钢Φ181-20040Cr新兴铸管4350-热轧;Cr系合结钢Φ20-9040Cr华菱湘钢4250-热轧;Cr系合结钢Φ95-13040Cr华菱湘钢4300-热轧;Cr系合结钢Φ135-17040Cr华菱湘钢4330-热轧;Cr系合结钢Φ175-22040Cr华菱湘钢4380-热轧;