Uddeholm Orvar 2 Microdized
EXCELLENT THROUGH-HARDENING PROPERTIES
Uddeholm Orvar 2 Microdized is a cr-mo-v alloyed tool steel (AISI H13) with good high temperature strength and hot wear resistance. In east/south east asian countries served by Assab, Uddeholm Orvar 2 Microdized is sold as AS 8407 2M.
- The large dimension programme of round sizes and the even properties makes the material very suitable in Al-extrusion for dies and extrusion tooling
- Good resistance to abrasion at both low and high temperatures
- High level of toughness and ductility
- Uniform and high level of machinability and polishability
- Good high-temperature strength and resistance to thermal fatigue
- Excellent through-hardening properties
- Very limited distortion during hardening
- Hot wear resistance 40%
- Plastic deformation resistance 40%
- Heat checking resistance 40%
- Premature cracking resistance 35%
Reference Grade Hot Work (H13)
- Hot wear resistance 40%
- Plastic deformation resistance 40%
- Heat checking resistance 40%
- Premature cracking resistance 35%
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Chemical composition
| Carbon | 0.39 | Silicon | 1.00 | Manganese | 0.40 |
| Chromium | 5.30 | Molybdenum | 1.30 | Vanadium | 0.90 |
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