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Rulon Bearings

Bohler-Uddeholm UDDEHOLM Caldie Plastic Mold Tool Steel
Categories: Metal; Ferrous Metal; Tool Steel; Mold Steel
Material Notes: Description: Uddeholm Caldie is a chromium-molybdenumvanadium alloyed tool steel.
    Uddeholm Caldie which is characterized by:
  • Very good chipping and cracking resistance
  • Good wear resistance
  • High hardness (>60 HRC) after high temperature tempering
  • Good dimensional stability in heat treatment and in service
  • Excellent through-hardening properties
  • Good machinability and grindability
  • Excellent polishability
  • Good surface treatment properties
  • Good resistance to tempering back
  • Very good WEDM properties
Applications: Uddeholm Caldie is suitable for short to medium run tooling where chipping and/or cracking are the predominant failure mechanisms and where a high compressive strength (hardness of over 60 HRC) is necessary. This makes Uddeholm Caldie an excellent problem solver for severe cold work applications where the combination of a hardness above 60 HRC and a high cracking resistance is of utmost importance e.g. as in the blanking and forming of ultra high strength steel sheets. Uddeholm Caldie is also very suitable as a substrate steel for applications where surface coatings are desirable or necessary
    Cold Work Applications:
  • Blanking applications where high ductility and toughness are needed to prevent chipping/cracking
  • Cold forging and forming operations where a high compressive strength combined with good resistance to chipping/cracking are necessary
  • Machine knives
  • Thread rolling dies
  • Substrate for surface coatings
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 7.82 g/cc0.283 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 215215Soft annealed
Hardness, Rockwell C 60 - 6260 - 62typical range of use after hardening/tempering
Modulus of Elasticity  180 GPa
@Temperature 400 °C		26100 ksi
@Temperature 752 °F		Hardened and tempered to 60-62 HRC
 192 GPa
@Temperature 200 °C		27800 ksi
@Temperature 392 °F		Hardened and tempered to 60-62 HRC
 213 GPa
@Temperature 20.0 °C		30900 ksi
@Temperature 68.0 °F		Hardened and tempered to 60-62 HRC
Compressive Strength 2230 - 2430 MPa323000 - 352000 psiRc0.2; varies with tempering. This range is for HRC between 58 and 61.
 
Thermal PropertiesMetricEnglishComments
CTE, linear  11.6 µm/m-°C
@Temperature 20.0 - 200 °C		6.44 µin/in-°F
@Temperature 68.0 - 392 °F		Hardened and tempered to 60-62 HRC
 12.4 µm/m-°C
@Temperature 20.0 - 400 °C		6.89 µin/in-°F
@Temperature 68.0 - 752 °F		Hardened and tempered to 60-62 HRC
Specific Heat Capacity 0.460 J/g-°C0.110 BTU/lb-°FHardened and tempered to 60-62 HRC
Thermal Conductivity  24.0 W/m-K
@Temperature 200 °C		167 BTU-in/hr-ft²-°F
@Temperature 392 °F		Hardened and tempered to 60-62 HRC
 28.0 W/m-K
@Temperature 400 °C		194 BTU-in/hr-ft²-°F
@Temperature 752 °F		Hardened and tempered to 60-62 HRC
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.70 %0.70 %
Chromium, Cr 5.0 %5.0 %
Iron, Fe 90.8 %90.8 %As Balance
Manganese, Mn 0.50 %0.50 %
Molybdenum, Mo 2.3 %2.3 %
Silicon, Si 0.20 %0.20 %
Vanadium, V 0.50 %0.50 %

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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