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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

Tooling

  • Extrusion
  • Plastic moulding
  • Cold punching
  • Hot shearing
  • Shrink rings
  • Wear resisting parts

Components

  • Drill bodies
  • Plastic fragmentation knives
  • Shafts

Uddeholm Orvar 2 Microdized

  • 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%

Chemical composition

Carbon.39Chrome5.3
Silicon1Molybdenum1.3
Manganese.4Vanadium.9

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