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| 1. Specifications |
| Specification |
Delivery condition | Steel category | ||
| Bottom pouring ingot |
4.5～80ton | Air cooling/slow cooling/annealing | High quality carbon steel/alloy steel/carbon tool steel/alloy tool steel | |
| Vacuum casting ingot | 36～114ton | Air cooling/slow cooling/annealing | High quality carbon steel/alloy steel/carbon tool steel/alloy tool steel | |
| 2. Products and production standards |
| Category | Steel grades | Specification （T） |
Production standards |
| High quality carbon steel | 20～45, SAE1045, S45C, C45, C45E, CK45 and etc. |
BPI: 4.5-80 VCI: 36-114 |
GB，ASTM, JIS, DIN or customer specified requirements |
| alloy steel | 42CrMoA, 40Mn2, 40Cr, SCM440, 4140, 42CrMo4 |
BPI: 4.5-80 VCI: 36-114 |
GB, ASTM, JIS, DIN or customer specified requirements |
| alloy tool steel | 5CrMnMo，5CrNiMo， 4Cr5MoSiV1 |
BPI: 4.5-80 VCI: 36-114 |
GB or customer specified requirements |
| Mill roll | 9Cr2Mo, 70Cr3Mo, 70Cr3NiMo, 45Cr4NiMoV, 55Cr5MoV |
BPI: 4.5-80 VCI: 36-114 |
GB, JB or customer specified requirements |
| Spindles | 30Cr2Ni4MoV， 34CrNiMo6 |
BPI: 4.5-80 VCI: 36-114 |
GB, JB or customer specified requirements |
| Remark: BPI=bottom casting ingot, VCI=vacuum casting ingot |
| 3. Ingot production process |
