Chemical properties of H13
| Steel Grade | C | Si | Mn | P | S | Cr | Mo | V |
| H13 | 0.35~0.40 | 1.00~1.20 | 0.40~0.60 | ≤0.010 | ≤0.002 | 4.80~5.20 | 1.20~1.40 | 0.90~1.00 |
Features of H13
- With electro slag remelting, diffusion annealing process and ultrafine heat treatment, it has good microstructural homogeneity and finely dispersed carbides.
- Good Tempering performance, high toughness, high high-temperature strength, good thermal stability and thermal fatigue resistance.
- High isotropy, aspect ratio ≥0.8.
- Annealing hardness≤230HB, quenching hardness 51~55HRC, tempering hardness 46~50HRC.
Mechanical Properties of H13
Good Thermal Stability of H13
Tempering Curve of H13
Recommend Heat Treatment of H13
| Heating Temperature/℃ | Cooling Way | Hardness （HRC） | Tempering Temperature/℃ | Tempering Numbers | Hardness （HRC） | ||
| First Preheating | Second Preheating | Last Heating | |||||
| 500~600 | 820~860 | 1010~1040 | Oil Cooling | 53~55 | 560~620 | 2~3 | 46~50 |
