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The HS PH13 hot work die steel is also a good material for many customers.
As modified hot work die steel with high roughness and high isotropy, HS PH13 with its molding die design optimizes the alloy element ratio on the basis of traditional H13, reduces the content of harmful elements such as P and S, so that hot die steel H13 has good thermal stability and thermal fatigue resistance.
Steel Grade | C | Si | Mn | P | S | Cr | Mo | V |
HS PH13 | 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 |
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.
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 |
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