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Rulon Bearings

Sandvik Nikrothal 40 Resistance Wire
Categories: Metal; Superalloy; Iron Base
Material Notes: NIKROTHAL 40 is used as electric heating element material in domestic appliances and other electric heating equipment at operating temperatures up to 1100°C (2010°F). It has good ductility after use, good corrosion resistance except in sulphur containing atmospheres and certain controlled atmospheres and excellent weldability.

Typical applications for NIKROTHAL 40 are night-storage heaters, convection heaters, heavy duty rheostats and fan heaters. NIKROTHAL 40 is also used in heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters, floor heaters, resistors, etc.

Information provided by Sandvik
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 7.90 g/cc0.285 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers  160
@Thickness 4.00 mm		160
@Thickness 0.157 in
 180
@Thickness 1.00 mm		180
@Thickness 0.0394 in
Tensile Strength, Ultimate  58.0 MPa
@Temperature 1000 °C		8410 psi
@Temperature 1830 °F		deformation rate= 5.0x10-2/min
 95.0 MPa
@Temperature 900 °C		13800 psi
@Temperature 1650 °F		deformation rate= 6.2x10-2/min
 170 MPa
@Temperature 800 °C		24700 psi
@Temperature 1470 °F		deformation rate= 5.0x10-2/min
 650 MPa
@Thickness 4.00 mm		94300 psi
@Thickness 0.157 in
 675 MPa
@Thickness 1.00 mm		97900 psi
@Thickness 0.0394 in
Tensile Strength, Yield  300 MPa
@Strain 0.2 %,
Thickness 4.00 mm		43500 psi
@Strain 0.2 %,
Thickness 0.157 in
 340 MPa
@Strain 0.2 %,
Thickness 1.00 mm		49300 psi
@Strain 0.2 %,
Thickness 0.0394 in
Elongation at Break  30 %
@Thickness 4.00 mm		30 %
@Thickness 0.157 in
 35 %
@Thickness 1.00 mm		35 %
@Thickness 0.0394 in
Creep Strength  4.00 MPa
@Temperature 1000 °C,
Time 3.60e+6 sec		580 psi
@Temperature 1830 °F,
Time 1000 hour		1% elongation
 20.0 MPa
@Temperature 800 °C,
Time 3.60e+6 sec		2900 psi
@Temperature 1470 °F,
Time 1000 hour		1% elongation
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.000104 ohm-cm0.000104 ohm-cm
 0.000107 ohm-cm
@Temperature 100 °C		0.000107 ohm-cm
@Temperature 212 °F
 0.000110 ohm-cm
@Temperature 200 °C		0.000110 ohm-cm
@Temperature 392 °F
 0.000114 ohm-cm
@Temperature 300 °C		0.000114 ohm-cm
@Temperature 572 °F
 0.000116 ohm-cm
@Temperature 400 °C		0.000116 ohm-cm
@Temperature 752 °F
 0.000119 ohm-cm
@Temperature 500 °C		0.000119 ohm-cm
@Temperature 932 °F
 0.000121 ohm-cm
@Temperature 600 °C		0.000121 ohm-cm
@Temperature 1110 °F
 0.000123 ohm-cm
@Temperature 700 °C		0.000123 ohm-cm
@Temperature 1290 °F
 0.000125 ohm-cm
@Temperature 800 °C		0.000125 ohm-cm
@Temperature 1470 °F
 0.000126 ohm-cm
@Temperature 900 °C		0.000126 ohm-cm
@Temperature 1650 °F
 0.000128 ohm-cm
@Temperature 1000 °C		0.000128 ohm-cm
@Temperature 1830 °F
 0.000129 ohm-cm
@Temperature 1100 °C		0.000129 ohm-cm
@Temperature 2010 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear  16.0 µm/m-°C
@Temperature 20.0 - 250 °C		8.89 µin/in-°F
@Temperature 68.0 - 482 °F
 17.0 µm/m-°C
@Temperature 20.0 - 500 °C		9.44 µin/in-°F
@Temperature 68.0 - 932 °F
 18.0 µm/m-°C
@Temperature 20.0 - 750 °C		10.0 µin/in-°F
@Temperature 68.0 - 1380 °F
 19.0 µm/m-°C
@Temperature 20.0 - 1000 °C		10.6 µin/in-°F
@Temperature 68.0 - 1830 °F
Specific Heat Capacity  0.500 J/g-°C
@Temperature 20.0 °C		0.120 BTU/lb-°F
@Temperature 68.0 °F
 0.500 J/g-°C
@Temperature 100 °C		0.120 BTU/lb-°F
@Temperature 212 °F
 0.500 J/g-°C
@Temperature 200 °C		0.120 BTU/lb-°F
@Temperature 392 °F
 0.510 J/g-°C
@Temperature 300 °C		0.122 BTU/lb-°F
@Temperature 572 °F
 0.540 J/g-°C
@Temperature 400 °C		0.129 BTU/lb-°F
@Temperature 752 °F
 0.570 J/g-°C
@Temperature 500 °C		0.136 BTU/lb-°F
@Temperature 932 °F
 0.600 J/g-°C
@Temperature 600 °C		0.143 BTU/lb-°F
@Temperature 1110 °F
 0.620 J/g-°C
@Temperature 700 °C		0.148 BTU/lb-°F
@Temperature 1290 °F
 0.640 J/g-°C
@Temperature 800 °C		0.153 BTU/lb-°F
@Temperature 1470 °F
 0.670 J/g-°C
@Temperature 900 °C		0.160 BTU/lb-°F
@Temperature 1650 °F
 0.700 J/g-°C
@Temperature 1000 °C		0.167 BTU/lb-°F
@Temperature 1830 °F
 0.730 J/g-°C
@Temperature 1100 °C		0.174 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
 14.0 W/m-K
@Temperature 100 °C		97.2 BTU-in/hr-ft²-°F
@Temperature 212 °F
 15.0 W/m-K
@Temperature 200 °C		104 BTU-in/hr-ft²-°F
@Temperature 392 °F
 16.0 W/m-K
@Temperature 300 °C		111 BTU-in/hr-ft²-°F
@Temperature 572 °F
 18.0 W/m-K
@Temperature 400 °C		125 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
 21.0 W/m-K
@Temperature 600 °C		146 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
 25.0 W/m-K
@Temperature 900 °C		174 BTU-in/hr-ft²-°F
@Temperature 1650 °F
 26.0 W/m-K
@Temperature 1000 °C		180 BTU-in/hr-ft²-°F
@Temperature 1830 °F
 28.0 W/m-K
@Temperature 1100 °C		194 BTU-in/hr-ft²-°F
@Temperature 2010 °F
Melting Point 1390 °C2530 °F
Maximum Service Temperature, Air 1100 °C2010 °F
 
Optical PropertiesMetricEnglishComments
Emissivity (0-1) 0.880.88fully oxidized
 
Component Elements PropertiesMetricEnglishComments
Carbon, C <= 0.10 %<= 0.10 %
Chromium, Cr 18 - 21 %18 - 21 %
Iron, Fe >= 38.4 %>= 38.4 %
Manganese, Mn <= 1.0 %<= 1.0 %
Nickel, Ni 34 - 37 %34 - 37 %
Silicon, Si 1.6 - 2.5 %1.6 - 2.5 %

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NSANDV082 / 18976

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