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Crucible Steel 420 Stainless Steel
Categories: Metal; Ferrous Metal; Stainless Steel

Material Notes: Crucible 420 is a hardenable chromium steel which is the general purpose cutlery grade. This grade is magnetic at all times

Typical Applications:

  • Bushings
  • Cutlery
  • Plastic molds
  • Glass molds
  • Valve trim
  • Screw drivers
  • Dental and surgical instruments

Information provided by Crucible Industries LLC.

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.
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 180180
Tensile Strength 655 MPa95000 psiAnnealed
Tensile Strength, Yield 345 MPa50000 psi0.2% offset, Annealed
Elongation at Break 25.0 %25.0 %2 in, Annealed
Reduction of Area 55.0 %55.0 %Annealed
Modulus of Elasticity 200 GPa29000 ksi
Shear Modulus 80.7 GPa11700 ksi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000548 ohm-cm0.0000548 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear  10.3 µm/m-°C
@Temperature 0.000 - 100 °C
5.70 µin/in-°F
@Temperature 32.0 - 212 °F
 10.8 µm/m-°C
@Temperature 0.000 - 316 °C
6.00 µin/in-°F
@Temperature 32.0 - 600 °F
 11.7 µm/m-°C
@Temperature 0.000 - 538 °C
6.50 µin/in-°F
@Temperature 32.0 - 1000 °F
 12.2 µm/m-°C
@Temperature 0.000 - 649 °C
6.80 µin/in-°F
@Temperature 32.0 - 1200 °F
Specific Heat Capacity 0.460 J/g-°C
@Temperature 0.000 - 100 °C
0.110 BTU/lb-°F
@Temperature 32.0 - 212 °F
Thermal Conductivity 2.08 W/m-K
@Temperature 93.3 °C
14.4 BTU-in/hr-ft²-°F
@Temperature 200 °F
Melting Point 1450 - 1510 °C2650 - 2750 °F
 
Component Elements PropertiesMetricEnglishComments
Carbon, C >= 0.150 %>= 0.150 %
Chromium, Cr 12.0 - 14.0 %12.0 - 14.0 %
Iron, Fe 83.9 - 87.9 %83.9 - 87.9 %Balance
Manganese, Mn <= 1.00 %<= 1.00 %
Phosphorus, P <= 0.0400 %<= 0.0400 %
Silicon, Si <= 1.00 %<= 1.00 %
Sulfur, S <= 0.0300 %<= 0.0300 %

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.

NCRUC075 / 323336

Specialty Compounds RTP Company

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