| Quantity: | |
|---|---|
| Category | Parameter | Value |
| Chemical Composition | Carbon (C) | 0.50–0.60 |
| Silicon (Si) | 0.25–0.60 | |
| Manganese (Mn) | 1.20–1.60 | |
| Phosphorus (P) | ≤0.03 | |
| Sulfur (S) | ≤0.03 | |
| Nickel (Ni) | 1.40–1.80 | |
| Chromium (Cr) | 0.60–0.90 | |
| Molybdenum (Mo) | 0.15–0.30 | |
| Mechanical Properties | Proof Strength Rp0.2 (MPa) | ≥925 |
| Tensile Strength Rm (MPa) | ≥381 | |
| Impact Energy KV (J) | 11 | |
| Elongation at Fracture A (%) | 11 | |
| Reduction of Area Z (%) | 32 | |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T | |
| Brinell Hardness (HBW) | 123 | |
| Physical Properties | Property | ≥756 |
| Density (kg/dm³) | ≥372 | |
| Temperature T (°C/F) | 33 | |
| Specific Heat (J/kg·K) | 43 | |
| Thermal Conductivity (W/m·K) | 12 | |
| Temperature (°C/°F) | 881 | |
| Creep Strain Limit (10000h) Rp1.0 (N/mm²) | 267 | |
| Creep Rupture Strength (10000h) Rp1.0 (N/mm²) | 836 | |
| Electric Resistance (µΩ·cm) | Solution and Aging, Annealing, Ausaging, Q+T | |
| Modulus of Elasticity (kN/mm²) | 331 | |
| Heat Treatment | Annealing Process | 760–780°C for 150 min, cool to 500°C then air-cool |
| Quenching Process | 650°C for 80 min + 850°C for 150 min, oil-cool | |
| First Tempering | 500°C for 3h, air-cool to room temp | |
| Second Tempering | 450°C for 4h, air-cool to room temp | |
| Third Tempering | 300°C for 5h, air-cool to room temp | |
| Final Hardness | Approx. HRC43 with excellent edge crack resistance |
Optimized Alloy Composition
Enhanced with Chromium, Manganese, and Molybdenum for improved strength and wear resistance.
Reliable Hot Work Performance
Performs well under high temperatures, making it ideal for hot forging die applications.
Good Toughness Options Available
When higher impact toughness is needed, ESR (Electro-Slag Remelting) versions offer superior consistency.
Moderate Hardenability and Fatigue Resistance
Balanced mechanical properties suitable for dies that require both durability and machinability.
Versatile Die Steel Choice
Widely used in various forging molds, such as hammer dies, press dies, and die inserts.
Hot Forging Dies
Ideal for manufacturing various forging dies including hammer, press, and precision forging tools due to its high strength and wear resistance
Die-Casting Molds
Suitable for die-casting applications where repeated thermal and mechanical loading occurs, owing to its thermal stability and abrasion resistance
Hot Extrusion Tooling
Used in extrusion die manufacture, as the steel holds hardness and dimension under elevated temperature conditions
General Hot Work Tooling
Employed for hot trimming, cutting, and stamping tools that require moderate toughness and high wear resistance in hot forming processes
A: It is widely used for hot forging dies, die-casting molds, and hot extrusion tools.
A: Yes, it performs well in high-temperature applications due to its alloy composition.
A: Yes, the ESR (electro-slag remelted) version is recommended for higher toughness demands.
A: Typical processes include annealing, quenching, and triple tempering to optimize hardness and durability.
| Category | Parameter | Value |
| Chemical Composition | Carbon (C) | 0.50–0.60 |
| Silicon (Si) | 0.25–0.60 | |
| Manganese (Mn) | 1.20–1.60 | |
| Phosphorus (P) | ≤0.03 | |
| Sulfur (S) | ≤0.03 | |
| Nickel (Ni) | 1.40–1.80 | |
| Chromium (Cr) | 0.60–0.90 | |
| Molybdenum (Mo) | 0.15–0.30 | |
| Mechanical Properties | Proof Strength Rp0.2 (MPa) | ≥925 |
| Tensile Strength Rm (MPa) | ≥381 | |
| Impact Energy KV (J) | 11 | |
| Elongation at Fracture A (%) | 11 | |
| Reduction of Area Z (%) | 32 | |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T | |
| Brinell Hardness (HBW) | 123 | |
| Physical Properties | Property | ≥756 |
| Density (kg/dm³) | ≥372 | |
| Temperature T (°C/F) | 33 | |
| Specific Heat (J/kg·K) | 43 | |
| Thermal Conductivity (W/m·K) | 12 | |
| Temperature (°C/°F) | 881 | |
| Creep Strain Limit (10000h) Rp1.0 (N/mm²) | 267 | |
| Creep Rupture Strength (10000h) Rp1.0 (N/mm²) | 836 | |
| Electric Resistance (µΩ·cm) | Solution and Aging, Annealing, Ausaging, Q+T | |
| Modulus of Elasticity (kN/mm²) | 331 | |
| Heat Treatment | Annealing Process | 760–780°C for 150 min, cool to 500°C then air-cool |
| Quenching Process | 650°C for 80 min + 850°C for 150 min, oil-cool | |
| First Tempering | 500°C for 3h, air-cool to room temp | |
| Second Tempering | 450°C for 4h, air-cool to room temp | |
| Third Tempering | 300°C for 5h, air-cool to room temp | |
| Final Hardness | Approx. HRC43 with excellent edge crack resistance |
Optimized Alloy Composition
Enhanced with Chromium, Manganese, and Molybdenum for improved strength and wear resistance.
Reliable Hot Work Performance
Performs well under high temperatures, making it ideal for hot forging die applications.
Good Toughness Options Available
When higher impact toughness is needed, ESR (Electro-Slag Remelting) versions offer superior consistency.
Moderate Hardenability and Fatigue Resistance
Balanced mechanical properties suitable for dies that require both durability and machinability.
Versatile Die Steel Choice
Widely used in various forging molds, such as hammer dies, press dies, and die inserts.
Hot Forging Dies
Ideal for manufacturing various forging dies including hammer, press, and precision forging tools due to its high strength and wear resistance
Die-Casting Molds
Suitable for die-casting applications where repeated thermal and mechanical loading occurs, owing to its thermal stability and abrasion resistance
Hot Extrusion Tooling
Used in extrusion die manufacture, as the steel holds hardness and dimension under elevated temperature conditions
General Hot Work Tooling
Employed for hot trimming, cutting, and stamping tools that require moderate toughness and high wear resistance in hot forming processes
A: It is widely used for hot forging dies, die-casting molds, and hot extrusion tools.
A: Yes, it performs well in high-temperature applications due to its alloy composition.
A: Yes, the ESR (electro-slag remelted) version is recommended for higher toughness demands.
A: Typical processes include annealing, quenching, and triple tempering to optimize hardness and durability.
