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. The large dimension programme of round sizes and the even properties makes the material very suitable in Al-extrusion for dies and extrusion tooling.

In east/south east asian countries served by Assab, Uddeholm Orvar 2 Microdized is sold as AS 8407 2M.

Reference Grade W.nr 1.2344 / AISI H13 / AFNOR Z40 CDV 5.1 (H13)

  • 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
  • Sustainable tool steel: 95,85% recycled content
Uddeholm Hot Work Applications - Extrusion of Metal

Uddeholm Orvar 2 Microdized

  • Hot wear resistance 40%
  • Plastic deformation resistance 40%
  • Heat checking resistance 40%
  • Premature cracking resistance 35%

Reference Grade

  • Hot wear resistance 40%
  • Plastic deformation resistance 40%
  • Heat checking resistance 40%
  • Premature cracking resistance 35%

Designations

Chemical composition

C Si Mn Cr Mo V
0.39 1.00 0.40 5.30 1.30 0.90

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