Uddeholm Orvar 2 Microdized


    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.

    • 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

    Uddeholm Orvar 2 Microdized

    • 40%
    • 40%
    • 40%
    • 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 0.39 Silicon 1.00 Manganese 0.40
    Chromium 5.30 Molybdenum 1.30 Vanadium 0.90
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