H-11 (1.2343) Hot work tool steel
H-11 (1.2343) Hot work tool steel
Specification
High hardenability, excellent tensile strength and toughness, good resistance to thermal shock when water cooled in service, minimal size change during heat treatment.
Application
This material is highly recommended for hot tooling applications where maximum resistance to cracking is required. Hot punches, die casting dies, forging dies, hot shear blade, hot gripper dies, extrusion dies Ejector pins, tool holders etc.
Chemical Analysis %
| C | Mn | Cr | Si | Mo | P | S | V |
|---|---|---|---|---|---|---|---|
| 0.33-0.41 | 0.25-0.50 | 4.80-5.50 | 0.80-1.20 | 1.10-1.50 | 0.030 Max | 0.030 Max | 0.30-0.50 |
Delivery condition
Annealed 230 HB max
Heat Treatment
Annealed 230 HB max
Heat Treatment
| Soft Annealing | Cooling | Hardness | Hardening | Quenching | Hardness after quenching HRC |
|---|---|---|---|---|---|
| 750-800°C | Furnace | 230 HB | 1000-1030°C | Air, oil or Thermal bath. 500-550°C | 54 |
Tempering °C
| Tempering°C | 100 | 200 | 300 | 400 | 500 | 600 | 700 |
|---|---|---|---|---|---|---|---|
| HRC | 54 | 52 | 52 | 52 | 54 | 48 | 31 |