Datasheet

14 Kanthal Appliance Alloys Handbook
CUPRO- MANGA- CUPROTHAL
THAL 49 NINA 43 30 15 10 05
Nominal composition, % Ni 44 4 23 11 6 2
Cu Balance Balance Balance Balance Balance Balance
Fe +
Other 1 Mn 11 Mn 1.5 Mn
Density, g/cm
3
8.9 8.4 8.9 8.9 8.9 8.9
Ib/in
3
0.321 0.3+2 0.321 0.321 0.321 0.321
Resistivity at 20 °C, Ω mm
2
m
-1
0.49 0.43 0.30 0.15 0.10 0.05
at 68 ° F Ω /cmf 295 259 180 90 60 30
Temperature coefficient of resistance,
Km x 10
-6
/°C ±20/±60 ±15 250 400 700 1300
Temperatur range, °C -55-150 15-35 20-105 20-105 20-105 20-105
Linear expansion coefficient
Coefficient x 10
-6
/°C 14 18 16 16 16 16.5
Temperatur range, °C 20-100 20-100 20-100 20-100 20-100 20-100
Thermal conductivity at 50 °C, Wm
-1
K
-1
21 22 35 60 90 130
at 122 ° F Btu in ft
-2
h
-1
° F
-1
146 153 243 460 624 901
Specific heat capacity, kJ kg
-1
K
-1
, 20 °C 0.41 0.41 0.37 0.38 0.38 0.38
Btu lb
-1
° F
-1
, 68 ° F 0.098 0.098 0.088 0.091 0.091 0.091
Melting point (approx.), °C 1280 1020 1150 1100 1095 1090
° F 2336 1868 2102 2012 2003 1994
Mechanical properties* (approx.)
Tensile strength, N mm
-2
, min. 420 290 340 250 230 220
psi, min. 60900 42050 49300 36200 33350 31900
N mm
-2
, max. 690 640 690 540 680 440
psi, max. 100100 92800 100100 78300 98600 63800
Elongation at rupture, % 30 30 30 30 30 30
Magnetic properties Non-magnetic