Material

Nominal Resistivity Microhm.cm

Maximum Operating Temp °C

Density g/cm³

Nominal Temp Coeffic. of Resistance / °C

NICKEL CHROMIUM ALLOYS

Cromaloy 5 - 80/20 NiCr

109

1250

8.3

0.0001

Cromaloy 1 - 60/16 NiCr

111

1200

8.2

0.00016

Cromaloy 3 37/18 NiCr

104

1050

7.9

0.00024

IRON CHROMIUM ALUMINIUM ALLOYS

Cromaloy 0 - 5/20/bal Al/Cr/Fe

144

1350

7.1

0.00004

Cromaloy A
5/22/bal Al/Cr/Fe

135

1280

7.25

0.00015

COPPER NICKEL ALLOYS

98/2 Cu/Ni

5

300

8.9

0.0013

94/6 Cu/Ni

10

300

8.9

0.0007

90/10 Cu/Ni

15

400

8.9

0.0004

85/15 Cu/Ni

21

450

8.9

0.00035

80/20 Cu/Ni

30

500

8.9

0.00024

Constantan
56/44 Cu/Ni

49

600

8.9

0.00004

KUTHERM ALLOYS

Kutherm 3

3

150

8.9

0.0022

Kutherm 10

10.2

250

8.85

0.00079

OTHER ALLOYS

Nickel

9

600

8.9

0.005

2% Manganese nickel

10.9

650

8.81

0.004

Pure copper

1.7

300

8.89

0.00393

Stainless steel (304L)

70

300

7.93

0.001