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Extreme Materials from MCAM
Visit Mitsubishi Chemical Advanced Materials for Extreme Materials - high performance plastic machining stock engineered to replace metals such as nickel alloys or stainless steel.

Sandvik Nikrothal 70 Resistance Strip
Categories: Metal; Nonferrous Metal; Nickel Alloy
Material Notes: NIKROTHAL 70 is an austenitic NiCr alloy which is recommended for use at temperatures up to 1250°C (2280°F). NIKROTHAL 70 is particularly well suited for reducing atmospheres, as it is not subject to "green rot".

Typical applications for NIKROTHAL 70 are as electrical heating elements in industrial furnaces.

Information provided by Sandvik
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Physical PropertiesMetricEnglishComments
Density 8.10 g/cc0.293 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers  185
@Thickness 1.50 mm		185
@Thickness 0.0591 in
 185
@Thickness 1.00 mm		185
@Thickness 0.0394 in
Tensile Strength, Ultimate 100 MPa
@Temperature 900 °C		14500 psi
@Temperature 1650 °F		deformation rate= 6.2x10-2/min
 715 MPa
@Thickness 1.50 mm		104000 psi
@Thickness 0.0591 in
 875 MPa
@Thickness 1.00 mm		127000 psi
@Thickness 0.0394 in
Tensile Strength, Yield  380 MPa
@Strain 0.2 %,
Thickness 1.50 mm		55100 psi
@Strain 0.2 %,
Thickness 0.0591 in
 450 MPa
@Strain 0.2 %,
Thickness 1.00 mm		65300 psi
@Strain 0.2 %,
Thickness 0.0394 in
Elongation at Break  30 %
@Thickness 1.00 mm		30 %
@Thickness 0.0394 in
 45 %
@Thickness 1.50 mm		45 %
@Thickness 0.0591 in
Creep Strength  4.00 MPa
@Temperature 1000 °C,
Time 3.60e+6 sec		580 psi
@Temperature 1830 °F,
Time 1000 hour		1% elongation
 15.0 MPa
@Temperature 800 °C,
Time 3.60e+6 sec		2180 psi
@Temperature 1470 °F,
Time 1000 hour		1% elongation
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.000118 ohm-cm0.000118 ohm-cm
 0.000119 ohm-cm
@Temperature 100 °C		0.000119 ohm-cm
@Temperature 212 °F
 0.000120 ohm-cm
@Temperature 200 °C		0.000120 ohm-cm
@Temperature 392 °F
 0.000121 ohm-cm
@Temperature 300 °C		0.000121 ohm-cm
@Temperature 572 °F
 0.000122 ohm-cm
@Temperature 400 °C		0.000122 ohm-cm
@Temperature 752 °F
 0.000122 ohm-cm
@Temperature 700 °C		0.000122 ohm-cm
@Temperature 1290 °F
 0.000122 ohm-cm
@Temperature 800 °C		0.000122 ohm-cm
@Temperature 1470 °F
 0.000122 ohm-cm
@Temperature 900 °C		0.000122 ohm-cm
@Temperature 1650 °F
 0.000124 ohm-cm
@Temperature 1000 °C		0.000124 ohm-cm
@Temperature 1830 °F
 0.000124 ohm-cm
@Temperature 1100 °C		0.000124 ohm-cm
@Temperature 2010 °F
 0.000124 ohm-cm
@Temperature 600 °C		0.000124 ohm-cm
@Temperature 1110 °F
 0.000124 ohm-cm
@Temperature 500 °C		0.000124 ohm-cm
@Temperature 932 °F
 0.000125 ohm-cm
@Temperature 1200 °C		0.000125 ohm-cm
@Temperature 2190 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear  14.0 µm/m-°C
@Temperature 20.0 - 250 °C		7.78 µin/in-°F
@Temperature 68.0 - 482 °F
 15.0 µm/m-°C
@Temperature 20.0 - 500 °C		8.33 µin/in-°F
@Temperature 68.0 - 932 °F
 16.0 µm/m-°C
@Temperature 20.0 - 750 °C		8.89 µin/in-°F
@Temperature 68.0 - 1380 °F
 17.0 µm/m-°C
@Temperature 20.0 - 1000 °C		9.44 µin/in-°F
@Temperature 68.0 - 1830 °F
Specific Heat Capacity  0.460 J/g-°C
@Temperature 20.0 °C		0.110 BTU/lb-°F
@Temperature 68.0 °F
 0.460 J/g-°C
@Temperature 100 °C		0.110 BTU/lb-°F
@Temperature 212 °F
 0.480 J/g-°C
@Temperature 200 °C		0.115 BTU/lb-°F
@Temperature 392 °F
 0.500 J/g-°C
@Temperature 300 °C		0.120 BTU/lb-°F
@Temperature 572 °F
 0.530 J/g-°C
@Temperature 400 °C		0.127 BTU/lb-°F
@Temperature 752 °F
 0.550 J/g-°C
@Temperature 500 °C		0.131 BTU/lb-°F
@Temperature 932 °F
 0.580 J/g-°C
@Temperature 600 °C		0.139 BTU/lb-°F
@Temperature 1110 °F
 0.600 J/g-°C
@Temperature 700 °C		0.143 BTU/lb-°F
@Temperature 1290 °F
 0.630 J/g-°C
@Temperature 800 °C		0.151 BTU/lb-°F
@Temperature 1470 °F
 0.650 J/g-°C
@Temperature 900 °C		0.155 BTU/lb-°F
@Temperature 1650 °F
 0.670 J/g-°C
@Temperature 1000 °C		0.160 BTU/lb-°F
@Temperature 1830 °F
 0.710 J/g-°C
@Temperature 1100 °C		0.170 BTU/lb-°F
@Temperature 2010 °F
Thermal Conductivity  13.0 W/m-K
@Temperature 20.0 °C		90.2 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
 13.0 W/m-K
@Temperature 100 °C		90.2 BTU-in/hr-ft²-°F
@Temperature 212 °F
 14.0 W/m-K
@Temperature 200 °C		97.2 BTU-in/hr-ft²-°F
@Temperature 392 °F
 15.0 W/m-K
@Temperature 300 °C		104 BTU-in/hr-ft²-°F
@Temperature 572 °F
 17.0 W/m-K
@Temperature 400 °C		118 BTU-in/hr-ft²-°F
@Temperature 752 °F
 19.0 W/m-K
@Temperature 500 °C		132 BTU-in/hr-ft²-°F
@Temperature 932 °F
 20.0 W/m-K
@Temperature 600 °C		139 BTU-in/hr-ft²-°F
@Temperature 1110 °F
 22.0 W/m-K
@Temperature 700 °C		153 BTU-in/hr-ft²-°F
@Temperature 1290 °F
 24.0 W/m-K
@Temperature 800 °C		167 BTU-in/hr-ft²-°F
@Temperature 1470 °F
 28.0 W/m-K
@Temperature 900 °C		194 BTU-in/hr-ft²-°F
@Temperature 1650 °F
 28.0 W/m-K
@Temperature 1000 °C		194 BTU-in/hr-ft²-°F
@Temperature 1830 °F
 29.0 W/m-K
@Temperature 1100 °C		201 BTU-in/hr-ft²-°F
@Temperature 2010 °F
Melting Point 1380 °C2520 °F
Maximum Service Temperature, Air 1250 °C2280 °F
 
Optical PropertiesMetricEnglishComments
Emissivity (0-1) 0.880.88fully oxidized
 
Component Elements PropertiesMetricEnglishComments
Carbon, C <= 0.15 %<= 0.15 %
Chromium, Cr 29 - 32 %29 - 32 %
Iron, Fe >= 5.0 %>= 5.0 %
Manganese, Mn <= 1.0 %<= 1.0 %
Nickel, Ni >= 59.85 %>= 59.85 %
Silicon, Si 0.50 - 2.0 %0.50 - 2.0 %

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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