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Elmet Technologies

Bohler-Uddeholm UDDEHOLM ORVAR® SUPREME (Premium AISI H13) Hot Work Tool Steel
Categories: Metal; Ferrous Metal; Alloy Steel; Chrome-moly Steel; Tool Steel; Hot Work Steel
Material Notes: Chromium-molybdenum-vanadium alloyed steel

A premium Cr-Mo-V-alloyed hot work die steel with good resistance to thermal fatigue. The steel is produced by a special melting and refining technique in order to give mechanical properties with maximum isotropy and is certified to meet a minimum Charpy V-notch test result of 10 ft-lbs (13.6 J). Suitable for a wide variety of hot work applications, including tools for high pressure die casting, hot extrusion and press forging, ORVAR® SUPREME also meets or exceeds NADCA 207-97 specifications.

Orvar Supreme is characterized by:

  • High level of resistance to thermal shock and thermal fatigue
  • Good high-temperature strength
  • Excellent toughness and ductility in all directions
  • Good machinability and polishability
  • Excellent through-hardening properties
  • Good dimensional stability during hardening
Applications
  • Tools for die casting - Dies, Fixed inserts cores, Sprue parts, Nozzles, Ejector pins(nitrided), Plunger, shot-sleeve (normal nitrided)
  • Tool for extrusion - Dies, Backers, die-holders, liners, dummy blocks, stems
  • Tools for forging - Aluminum, magnesium, Copper alloys, Steel
Key Words: W.Nr. 1.2344
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 7.78 g/cc0.281 lb/in³hardness of 45 HRC
 7.58 g/cc
@Temperature 599 °C		0.274 lb/in³
@Temperature 1110 °F		hardness of 45 HRC
 7.67 g/cc
@Temperature 399 °C		0.277 lb/in³
@Temperature 750 °F		hardness of 45 HRC
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 180180Soft annealed
Tensile Strength, Ultimate 1420 MPa206000 psihardness of 45 HRC
 1810 MPa263000 psihardness of 52 HRC
Tensile Strength, Yield  1280 MPa
@Strain 0.2 %		185000 psi
@Strain 0.2 %		hardness of 45 HRC
 1520 MPa
@Strain 0.2 %		220000 psi
@Strain 0.2 %		hardness of 52 HRC
Modulus of Elasticity 210 GPa30500 ksi(hardness of 45 HRC)
 140 GPa
@Temperature 599 °C		20300 ksi
@Temperature 1110 °F		hardness of 45 HRC
 180 GPa
@Temperature 399 °C		26100 ksi
@Temperature 750 °F		hardness of 45 HRC
Charpy Impact  27.1 J
@Temperature 98.9 °C		20.0 ft-lb
@Temperature 210 °F		V-notch (hardness of 45 HRC)
 74.6 J
@Temperature 499 °C		55.0 ft-lb
@Temperature 930 °F		V-notch (hardness of 45 HRC)
 
Thermal PropertiesMetricEnglishComments
CTE, linear  12.6 µm/m-°C
@Temperature 399 °C		7.00 µin/in-°F
@Temperature 750 °F		hardness of 45 HRC
 13.1 µm/m-°C
@Temperature 599 °C		7.30 µin/in-°F
@Temperature 1110 °F		hardened to 45 HRC
Thermal Conductivity  25.0 W/m-K
@Temperature 20.0 °C		174 BTU-in/hr-ft²-°F
@Temperature 68.0 °F		hardness of 45 HRC
 29.0 W/m-K
@Temperature 399 °C		201 BTU-in/hr-ft²-°F
@Temperature 750 °F		hardness of 45 HRC
 30.0 W/m-K
@Temperature 599 °C		208 BTU-in/hr-ft²-°F
@Temperature 1110 °F		hardness of 45 HRC
 
Processing PropertiesMetricEnglishComments
Processing Temperature 1024 °C1875 °Fheated for 30 min, then quenched in air and tempered 2 + 2 h at 1130°F (hardness = 45 HRC)
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.39 %0.39 %
Chromium, Cr 5.2 %5.2 %
Iron, Fe 90.71 %90.71 %As Balance
Manganese, Mn 0.40 %0.40 %
Molybdenum, Mo 1.4 %1.4 %
Silicon, Si 1.0 %1.0 %
Vanadium, V 0.90 %0.90 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NBUCOR01 / 15470

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