Cr系合结钢Ф20-2840Cr邯郸钢铁3520↓10热轧;Cr系合结钢Ф30-8040Cr邯郸钢铁3570↓10热轧;Cr系合结钢Ф22-4040Cr新兴铸管3480-热轧;Cr系合结钢Ф16-1840Cr沙钢永兴3650-热轧;Cr系合结钢Ф20-2540Cr沙钢永兴3550-热轧;Cr系合结钢Ф28-3240Cr沙钢永兴3550-热轧;Cr系合结钢Ф35-3640Cr沙钢永兴3550-热轧;