As high-performance Cr-Mo-V hot work die steel, HS DVN / HS DVN-Nb steel has high high-temperature strength and thermal fatigue resistance, is widely used in casting dies, hot extrusion dies, hot punching dies, hot forging dies, etc.
Steel Grade | C | Si | Mn | P | S | Cr | Mo | V | Nb |
HS DVN | 0.35~0.40 | 0.10-0.30 | 0.30-0.50 | ≤0.010 | ≤0.003 | 4.80~5.20 | 2.20~2.60 | 0.40~0.70 | - |
HS DVN-Nb | 0.35-0.40 | 0.10-0.30 | 0.30-0.50 | ≤0.010 | ≤0.003 | 4.80-5.20 | 2.20-2.60 | 0.40-0.70 | 0.06-0.15 |
The die steel products are to be widely used for casting dies, hot extruding dies, hot stamping dies, high-strength plastic dies, etc.
High impact toughness and high isotropy.
High performance of temper softening resistance, thermal fatigue resistance, thermal melting loss resistance.
High high-temperature strength, tensile strength in 650℃≥1100Mpa.
Good hardenability.
Good dimensional stability after heat treatment.
Heating Temperature/℃ | Cooling Way | Hardness (HRC) | Tempering Temperature/℃ | Tempering Numbers | Hardness (HRC) | ||
First Preheating | Second Preheating | Last Heating | |||||
500~600 | 820~860 | 1010~1030 | Oil Cooling | 53~55 | 560~620 | ≥3 | 46~50 |
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