Cr系合结钢Ф20-2840Cr邯郸钢铁3700-热轧;Cr系合结钢Ф30-8040Cr邯郸钢铁3750-热轧;Cr系合结钢Ф22-4040Cr新兴铸管3650-热轧;Cr系合结钢Ф16-1840Cr沙钢永兴3780-热轧;Cr系合结钢Ф20-2540Cr沙钢永兴3680-热轧;Cr系合结钢Ф28-3240Cr沙钢永兴3680-热轧;Cr系合结钢Ф35-3640Cr沙钢永兴3680-热轧;