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Rulon Bearings

Sandvik Kanthal APM Seamless tube and pipe
Categories: Metal; Superalloy; Iron Base

Material Notes: KANTHAL APM is an advanced powder metallurgical, dispersion strengthened, ferritic FeCrAl alloy which is used at tube temperatures up to 1250°C (2280°F). KANTHAL APM tubes have good form stability at high temperature. KANTHAL APM forms an excellent, non-scaling surface oxide, which gives good protection in most furnace environments, i.e. oxidizing, sulphurous and carbonaceous gas, as well as against deposits of carbon, ash, etc. The combination of excellent oxidation properties and formstability makes the alloy unique.

Typical applications for KANTHAL APM are as radiant tubes in electrically or gas fired furnaces such as continuous galvanizing furnaces, seal quench furnaces, holding furnaces and dosing furnaces in the aluminium, zinc, lead industries, thermocouple protection tubes, furnace muffles for sintering applications.

Information provided by Sandvik

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Physical PropertiesMetricEnglishComments
Density 7.10 g/cc0.257 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 225225
Tensile Strength, Ultimate 687 MPa99600 psi
Tensile Strength, Yield 475 MPa68900 psi
Elongation at Break 11.3 %11.3 %
Creep Strength  0.700 MPa
@Temperature 1200 °C
102 psi
@Temperature 2190 °F
s-1: 1.0e­-10
 0.800 MPa
@Temperature 1200 °C
116 psi
@Temperature 2190 °F
s-1: 1.0e­-8
 0.900 MPa
@Temperature 1100 °C
131 psi
@Temperature 2010 °F
s-1: 1.0e­-10
 1.10 MPa
@Temperature 1100 °C
160 psi
@Temperature 2010 °F
s-1: 1.0e­-8
 1.50 MPa
@Temperature 1000 °C
218 psi
@Temperature 1830 °F
s-1: 1.0e­-10
 1.90 MPa
@Temperature 1200 °C
276 psi
@Temperature 2190 °F
s-1: 1.0e­-6
 3.10 MPa
@Temperature 1100 °C
450 psi
@Temperature 2010 °F
s-1: 1.0e­-6
 3.10 MPa
@Temperature 1000 °C
450 psi
@Temperature 1830 °F
s-1: 1.0e­-8
 4.00 MPa
@Temperature 900 °C
580 psi
@Temperature 1650 °F
s-1: 1.0e­-10
 6.00 MPa
@Temperature 1200 °C
870 psi
@Temperature 2190 °F
s-1: 1.0e­-4
 6.70 MPa
@Temperature 1000 °C
972 psi
@Temperature 1830 °F
s-1: 1.0e­-6
 6.80 MPa
@Temperature 900 °C
986 psi
@Temperature 1650 °F
s-1: 1.0e­-8
 11.0 MPa
@Temperature 900 °C
1600 psi
@Temperature 1650 °F
s-1: 1.0e­-6
 11.0 MPa
@Temperature 1100 °C
1600 psi
@Temperature 2010 °F
s-1: 1.0e­-4
 13.0 MPa
@Temperature 1000 °C
1890 psi
@Temperature 1830 °F
s-1: 1.0e­-4
 20.0 MPa
@Temperature 900 °C
2900 psi
@Temperature 1650 °F
s-1: 1.0e­-4
 0.300 MPa
@Temperature 1200 °C,
Time 3.60e+6 sec
43.5 psi
@Temperature 2190 °F,
Time 1000 hour
1% elongation
 0.700 MPa
@Temperature 1100 °C,
Time 3.60e+6 sec
102 psi
@Temperature 2010 °F,
Time 1000 hour
1% elongation
 2.00 MPa
@Temperature 1000 °C,
Time 3.60e+6 sec
290 psi
@Temperature 1830 °F,
Time 1000 hour
1% elongation
 5.90 MPa
@Temperature 900 °C,
Time 3.60e+6 sec
856 psi
@Temperature 1650 °F,
Time 1000 hour
1% elongation
Rupture Strength  0.500 MPa
@Temperature 1200 °C,
Time 3.60e+7 sec
72.5 psi
@Temperature 2190 °F,
Time 10000 hour
 2.00 MPa
@Temperature 1200 °C,
Time 360000 sec
290 psi
@Temperature 2190 °F,
Time 100 hour
 4.50 MPa
@Temperature 900 °C,
Time 3.60e+7 sec
653 psi
@Temperature 1650 °F,
Time 10000 hour
 10.0 MPa
@Temperature 900 °C,
Time 360000 sec
1450 psi
@Temperature 1650 °F,
Time 100 hour
Modulus of Elasticity 220 GPa31900 ksi
 130 GPa
@Temperature 1000 °C
18900 ksi
@Temperature 1830 °F
 150 GPa
@Temperature 800 °C
21800 ksi
@Temperature 1470 °F
 170 GPa
@Temperature 600 °C
24700 ksi
@Temperature 1110 °F
 190 GPa
@Temperature 400 °C
27600 ksi
@Temperature 752 °F
 205 GPa
@Temperature 200 °C
29700 ksi
@Temperature 392 °F
 210 GPa
@Temperature 100 °C
30500 ksi
@Temperature 212 °F
Poissons Ratio 0.300.30
Shear Modulus 85.0 GPa12300 ksicalculated
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.000145 ohm-cm0.000145 ohm-cm
 0.000145 ohm-cm
@Temperature 100 °C
0.000145 ohm-cm
@Temperature 212 °F
 0.000145 ohm-cm
@Temperature 200 °C
0.000145 ohm-cm
@Temperature 392 °F
 0.000145 ohm-cm
@Temperature 300 °C
0.000145 ohm-cm
@Temperature 572 °F
 0.000145 ohm-cm
@Temperature 400 °C
0.000145 ohm-cm
@Temperature 752 °F
 0.000146 ohm-cm
@Temperature 500 °C
0.000146 ohm-cm
@Temperature 932 °F
 0.000148 ohm-cm
@Temperature 600 °C
0.000148 ohm-cm
@Temperature 1110 °F
 0.000148 ohm-cm
@Temperature 700 °C
0.000148 ohm-cm
@Temperature 1290 °F
 0.000149 ohm-cm
@Temperature 800 °C
0.000149 ohm-cm
@Temperature 1470 °F
 0.000149 ohm-cm
@Temperature 900 °C
0.000149 ohm-cm
@Temperature 1650 °F
 0.000150 ohm-cm
@Temperature 1000 °C
0.000150 ohm-cm
@Temperature 1830 °F
 0.000150 ohm-cm
@Temperature 1100 °C
0.000150 ohm-cm
@Temperature 2010 °F
 0.000150 ohm-cm
@Temperature 1200 °C
0.000150 ohm-cm
@Temperature 2190 °F
 0.000150 ohm-cm
@Temperature 1300 °C
0.000150 ohm-cm
@Temperature 2370 °F
 0.000152 ohm-cm
@Temperature 1400 °C
0.000152 ohm-cm
@Temperature 2550 °F
Curie Temperature 600 °C1110 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear  11.0 µm/m-°C
@Temperature 20.0 - 250 °C
6.11 µin/in-°F
@Temperature 68.0 - 482 °F
 12.0 µm/m-°C
@Temperature 20.0 - 500 °C
6.67 µin/in-°F
@Temperature 68.0 - 932 °F
 14.0 µm/m-°C
@Temperature 20.0 - 750 °C
7.78 µin/in-°F
@Temperature 68.0 - 1380 °F
 15.0 µm/m-°C
@Temperature 20.0 - 1000 °C
8.33 µin/in-°F
@Temperature 68.0 - 1830 °F
 16.0 µm/m-°C
@Temperature 20.0 - 1200 °C
8.89 µin/in-°F
@Temperature 68.0 - 2190 °F
 16.0 µm/m-°C
@Temperature 20.0 - 1400 °C
8.89 µin/in-°F
@Temperature 68.0 - 2550 °F
Specific Heat Capacity  0.460 J/g-°C
@Temperature 20.0 °C
0.110 BTU/lb-°F
@Temperature 68.0 °F
 0.560 J/g-°C
@Temperature 200 °C
0.134 BTU/lb-°F
@Temperature 392 °F
 0.630 J/g-°C
@Temperature 400 °C
0.151 BTU/lb-°F
@Temperature 752 °F
 0.710 J/g-°C
@Temperature 800 °C
0.170 BTU/lb-°F
@Temperature 1470 °F
 0.720 J/g-°C
@Temperature 1000 °C
0.172 BTU/lb-°F
@Temperature 1830 °F
 0.740 J/g-°C
@Temperature 1200 °C
0.177 BTU/lb-°F
@Temperature 2190 °F
 0.750 J/g-°C
@Temperature 600 °C
0.179 BTU/lb-°F
@Temperature 1110 °F
 0.800 J/g-°C
@Temperature 1400 °C
0.191 BTU/lb-°F
@Temperature 2550 °F
Thermal Conductivity  11.0 W/m-K
@Temperature 50.0 °C
76.3 BTU-in/hr-ft²-°F
@Temperature 122 °F
 20.0 W/m-K
@Temperature 600 °C
139 BTU-in/hr-ft²-°F
@Temperature 1110 °F
 22.0 W/m-K
@Temperature 800 °C
153 BTU-in/hr-ft²-°F
@Temperature 1470 °F
 26.0 W/m-K
@Temperature 1000 °C
180 BTU-in/hr-ft²-°F
@Temperature 1830 °F
 27.0 W/m-K
@Temperature 1200 °C
187 BTU-in/hr-ft²-°F
@Temperature 2190 °F
 35.0 W/m-K
@Temperature 1400 °C
243 BTU-in/hr-ft²-°F
@Temperature 2550 °F
Melting Point 1500 °C2730 °F
Maximum Service Temperature, Air 1250 °C2280 °F
 
Optical PropertiesMetricEnglishComments
Emissivity (0-1) 0.700.70fully oxidized
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al 5.8 %5.8 %
Carbon, C <= 0.080 %<= 0.080 %
Chromium, Cr 20.5 - 23.5 %20.5 - 23.5 %
Iron, Fe >= 69.52 %>= 69.52 %
Manganese, Mn <= 0.40 %<= 0.40 %
Silicon, Si <= 0.70 %<= 0.70 %

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NSANDV092 / 18986

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