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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.
HS DVN and HS DVN-Nb are advanced tool steels that find applications in various industrial settings, offering superior performance in demanding conditions. Recognized as dievar steel equivalents with properties comparable to 1.2367 tool steel, these materials are engineered for use in tool and die manufacturing, where high toughness, heat resistance, and wear resistance are critical requirements.
Hot Work Tooling
HS DVN and HS DVN-Nb are well-suited for hot work tooling applications, where tools are exposed to elevated temperatures during operations like forging, extrusion, and die casting. Their dievar steel equivalent composition ensures reliable performance under challenging thermal conditions.
Die Casting Die
The exceptional heat resistance and toughness of these materials make them ideal for die casting dies. The 1.2367 steel equivalent properties of HS DVN and HS DVN-Nb provide longevity and durability to dies subjected to high temperatures and cyclic thermal stresses.
Extrusion Tools
In the field of extrusion, where materials are forced through a die to create specific shapes, HS DVN and HS DVN-Nb, being dievar steel equivalents, offer excellent resistance to thermal fatigue and wear. This makes them valuable choices for extrusion tools in industries like plastic and metal extrusion.
Precision Forging Tools
The toughness and resistance to thermal cycling make HS DVN and HS DVN-Nb suitable for precision forging tools. These tools often operate under intense heat and pressure, and the dievar steel equivalent properties ensure reliable performance and extended tool life.
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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