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Rulon Bearings

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Sandvik Kanthal APM Construction materials
Categories: Metal; Ferrous Metal; Alloy Steel

Material Notes: Kanthal APM is an advanced powder metallurgical, dispersion strengthened, ferritic iron chromium aluminium alloy (FeCrAl alloy) with exceptionally good form stability and oxidation resistance. It is suitable for furnace temperatures up to 1250°C (2282°F). The alloy offers a unique combination of excellent oxidation properties and form stability at high temperatures. Kanthal APM forms an excellent, nonscaling surface oxide, which gives good protection in most furnace environments, i.e. oxidizing, sulpidizing and carburizing gas, as well as against deposits of carbon, ash, etc. Typical applications for Kanthal APM are in high temperature structural parts in furnaces such as mesh belts, loaders, mounting systems for elements or insulation and loading baskets.

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Physical PropertiesOriginal ValueComments
Density 7.10 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Vickers 230
@Diameter 4.00 mm
Tensile Strength, Ultimate 9.00 MPa
@Temperature 1300 °C
 12.0 MPa
@Temperature 1200 °C
 16.0 MPa
@Temperature 1100 °C
 23.0 MPa
@Temperature 1000 °C
 40.0 MPa
@Temperature 900 °C
 680 MPa
@Thickness 4.00 mm
Tensile Strength, Yield 470 MPa
@Strain 0.2 %,
Thickness 4.00 mm
Elongation at Break 20 %
@Thickness 4.00 mm
Creep Strength 0.400 MPa
@Temperature 1400 °C
0.1% Elongation
 0.700 MPa
@Temperature 1300 °C
0.1% Elongation
 1.20 MPa
@Temperature 1200 °C
0.1% Elongation
 2.30 MPa
@Temperature 1100 °C
0.1% Elongation
 3.50 MPa
@Temperature 900 °C
1% Elongation
 8.20 MPa
@Temperature 800 °C
1% Elongation
Rupture Strength 0.200 MPa
@Temperature 1400 °C,
Time 3.60e+7 sec
 0.500 MPa
@Temperature 1400 °C,
Time 3.60e+6 sec
 0.700 MPa
@Temperature 1200 °C,
Time 3.60e+7 sec
 1.30 MPa
@Temperature 1400 °C,
Time 360000 sec
 1.60 MPa
@Temperature 1200 °C,
Time 3.60e+6 sec
 2.20 MPa
@Temperature 1000 °C,
Time 3.60e+7 sec
 3.30 MPa
@Temperature 1200 °C,
Time 360000 sec
 3.40 MPa
@Temperature 1000 °C,
Time 3.60e+6 sec
 8.20 MPa
@Temperature 800 °C,
Time 3.60e+7 sec
 11.3 MPa
@Temperature 800 °C,
Time 3.60e+6 sec
 15.0 MPa
@Temperature 800 °C,
Time 360000 sec
Modulus of Elasticity 130 GPa
@Temperature 1000 °C
Young's
 150 GPa
@Temperature 800 °C
Young's
 170 GPa
@Temperature 600 °C
Young's
 190 GPa
@Temperature 400 °C
Young's
 205 GPa
@Temperature 200 °C
Young's
 210 GPa
@Temperature 100 °C
Young's
 220 GPa
@Temperature 20.0 °C
Young's
Poissons Ratio 0.30
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.000145 ohm-cm
 0.0000100 ohm-cm
@Temperature 100 - 400 °C
 0.0000101 ohm-cm
@Temperature 500 °C
 0.0000102 ohm-cm
@Temperature 600 - 700 °C
 0.0000103 ohm-cm
@Temperature 800 - 900 °C
 0.0000104 ohm-cm
@Temperature 1000 - 1300 °C
 0.0000105 ohm-cm
@Temperature 1400 °C
 
Thermal PropertiesOriginal ValueComments
CTE, linear 11.0 µm/m-°C
@Temperature 20.0 - 250 °C
 12.0 µm/m-°C
@Temperature 20.0 - 500 °C
 14.0 µm/m-°C
@Temperature 20.0 - 750 °C
 15.0 µm/m-°C
@Temperature 20.0 - 1000 °C
 16.0 µm/m-°C
@Temperature 20.0 - 1200 °C
 16.0 µm/m-°C
@Temperature 20.0 - 1400 °C
Specific Heat Capacity 0.460 J/g-°C
@Temperature 20.0 °C
 0.560 J/g-°C
@Temperature 200 °C
 0.630 J/g-°C
@Temperature 400 °C
 0.710 J/g-°C
@Temperature 800 °C
 0.720 J/g-°C
@Temperature 1000 °C
 0.740 J/g-°C
@Temperature 1200 °C
 0.750 J/g-°C
@Temperature 600 °C
 0.800 J/g-°C
@Temperature 1400 °C
Thermal Conductivity 11.0 W/m-K
@Temperature 50.0 °C
 20.0 W/m-K
@Temperature 600 °C
 22.0 W/m-K
@Temperature 800 °C
 26.0 W/m-K
@Temperature 1000 °C
 27.0 W/m-K
@Temperature 1200 °C
 35.0 W/m-K
@Temperature 1400 °C
Melting Point 1500 °C
Maximum Service Temperature, Air 1425 °C
 
Optical PropertiesOriginal ValueComments
Emissivity (0-1) 0.70
 
Component Elements PropertiesOriginal ValueComments
Aluminum, Al 5.0 %
Carbon, C 0.080 %
Chromium, Cr 20.5 - 23.5 %
Iron, Fe 68.42 - 70.32 %As Balance
Manganese, Mn >= 0.40 %
Molybdenum, Mo 3.0 %
Silicon, Si >= 0.70 %

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