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Specialty Compounds RTP Company

Aperam Resistohm® 20 Resistant Alloys-Nickel Chromium Alloys
Categories: Metal; Ferrous Metal

Material Notes: Resistohm 20 is placed at the limit between heat resistant alloys and stainless steels. It can be used for heating elements at low temperature, or as cold connections of a furnace.

Information provided by Aperam

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Physical PropertiesMetricEnglishComments
Density 7.80 g/cc0.282 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 220220
Tensile Strength 750 MPa109000 psi
Tensile Strength, Yield 400 MPa58000 psi
Elongation at Break >= 30 %>= 30 %on 100 mm
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 0.000095 ohm-cm0.000095 ohm-cmTemperature coefficient = 0.00033/°C from 20 - 100°C
 
Thermal PropertiesMetricEnglishComments
CTE, linear 10.5 µm/m-°C
@Temperature 20.0 - 1000 °C
5.83 µin/in-°F
@Temperature 68.0 - 1830 °F
Thermal Conductivity 11.5 W/m-K
@Temperature 120 °C
79.8 BTU-in/hr-ft²-°F
@Temperature 248 °F
Melting Point 1390 °C2530 °F
Maximum Service Temperature, Air 1000 °C1830 °F
 
Component Elements PropertiesMetricEnglishComments
Chromium, Cr 25 %25 %
Iron, Fe 55 %55 %
Nickel, Ni 20 %20 %
 
Descriptive Properties
Creeping point20at 800°C
 4at 1000°C

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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NPERA085 / 194874

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