Classification by Application
Hot Forging Die Steels
Key Characteristics: High toughness, high hardenability, and strong resistance to impact loads.
Typical Grades: 5CrNiMo, 5CrMnMo, 4CrMnSiMoV.
Hot Extrusion Die Steels
Key Characteristics: High thermal stability, high-temperature strength, and excellent resistance to thermal fatigue.
Typical Grades: 3Cr2W8V, 4Cr5MoSiV1 (H13).
Die-Casting Die Steels
Key Characteristics: Outstanding heat resistance and high-temperature mechanical properties; resistant to erosion by molten metal.
Typical Grades: 4Cr5MoSiV (H11), 4Cr3Mo2MnVNbB (Y4).
Hot Blanking/Shearing Die Steels
Key Characteristics: High hardness and high wear resistance, balanced with sufficient toughness to prevent edge chipping.
Typical Grades:8566, W360.
