- Cr系合结钢Φ20-9040Cr华菱湘钢4440↑50热轧;
- Cr系合结钢Φ95-13040Cr华菱湘钢4490↑50热轧;
- Cr系合结钢Φ135-17040Cr华菱湘钢4490↑50热轧;
- Cr系合结钢Φ175-22040Cr华菱湘钢4490↑50热轧;
- Cr系合结钢Φ25-9540Cr长城特钢4440↑50热轧;
- Cr系合结钢Φ100-14040Cr长城特钢4470↑50热轧;
- Cr系合结钢Φ150-20040Cr长城特钢4500↑50热轧;
- Cr系合结钢Φ21040Cr长城特钢4500↑50热轧;