Cr系合结钢Φ25-13040Cr新兴铸管3820-热轧;Cr系合结钢Φ131-18040Cr新兴铸管3920-热轧;Cr系合结钢Φ181-20040Cr新兴铸管3940-热轧;Cr系合结钢Φ20-9040Cr华菱湘钢3850-热轧;Cr系合结钢Φ95-13040Cr华菱湘钢3900-热轧;Cr系合结钢Φ135-17040Cr华菱湘钢3930-热轧;Cr系合结钢Φ175-22040Cr华菱湘钢3980-热轧;