As modified improved high-thermal-strength hot-work die steel, HS H13-Mod of material h13 equivalent, optimizes the ratio of C and Cr alloy elements on the basis of traditional H13, reduces the content of harmful elements such as P and S, so that H13 equivalent has good thermal stability and thermal fatigue resistance.
Steel Grade | C | Si | Mn | P | S | Cr | Mo | V |
HS H13-Mod | 0.30~0.40 | 1.20~1.60 | 0.30~0.50 | ≤0.015 | ≤0.003 | 3.50~4.50 | 0.80~1.20 | 0.80~1.00 |
High resistance of tempering softening properties (the using temperature can improve 50℃ comparing with H13 steel).
Excellent Thermal Stability: the moulding die manufacturing of the H12-MOD can be under long time preservation of 620℃, the hardness is always higher than that of H13, and still maintain above 35HRC.
High thermal fatigue resistance: better than that of H13 steel.
Performance curve of tempering and CCT curve (continuous cooling transformation).
Heating Temperature/℃ | Cooling Way | Hardness (HRC) | Tempering Temperature/℃ | Tempering Numbers | Hardness (HRC) | ||
First Preheating | Second Preheating | Last Heating | |||||
500~600 | 820~860 | 1010~1060 | Oil Cooling | 53~55 | 560~600 | 2~3 | 47~50 |
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