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TYPICAL  PROPERTIES OF SOME  CONDUCTORS  FOR GLASS COATING

 

 

Conductor

 

Melting

Point

 

Density

 

Electrical

Resistivity

Temp. Coeff.

of Resistivity

@ 0 -100 C

Tensile Strength,

Mpa

Linear

Coefficient

of Expansion

Thermal

Conductivity

@ 25C

 

C

g/cm

Ω · cm

K-1

Soft

Hard

·10-6 K-1

W m-1  K-1

 

 

 

 

 

 

 

 

Alumel

1315-1390

8.5-8.7

29-33

0.0019

580-780

16.8

30-32

 

 

 

 

 

 

 

 

Bismuth

271.3

9.80

117

0.0046

 

13.4

7.9

 

 

 

 

 

 

 

 

Chromel

1420

8.5

70.6

0.00032

620-780

17.2

19

 

 

 

 

 

 

 

 

Constantan

1225-1300

8.9

52.0

0.00002

400-590

14.9

19.5

 

 

 

 

 

 

 

 

Copper

1083

8.96

1.69

0.0043

224

314

17.0

401

 

 

 

 

 

 

 

 

Gold

1064.4

19.30

2.20

0.0040

130

220

14.1

318

 

 

 

 

 

 

 

 

Inconel-600

1300-1350

8.9

48

 

480-1200

13.6-14.0

 

 

 

 

 

 

 

 

 

Iron

1535

7.87

10.1

0.0065

180-210

12.1

80.4

 

 

 

 

 

 

 

 

Kovar

1450

8.36-8.50

48.9

0.0037

140 Gpa

4.81 @20-200

 

 

 

 

 

 

 

 

 

Lead

327.5

11.35

20.6

0.0042

 

29.0

35.3

 

 

 

 

 

 

 

 

Manganin

960

8.4

43-48

.0014-.0016

250-800

18.7

22

 

 

 

 

 

 

 

 

Molybdenum

2620

10.22

5.7

0.00435

425-

690

5.1

138

 

 

 

 

 

 

 

 

Monel 400

1300-1350

8.84

48-51

0.0019

550-950

13.9-14.1

21.7

 

 

 

 

 

 

 

 

Mp-35

1316-1430

8.42

101

 

200-300

8.7

 

 

 

 

 

 

 

 

 

Nickel

1453

8.9

6.9

0.0068

482

654

13.3

90.9

 

 

 

 

 

 

 

 

Nicrome V

1400

8.4

108

0.0005

650-1100

14

13.4

 

 

 

 

 

 

 

 

Niobium

2468

8.57

16

0.0026

330

585

7.2

53.7

 

 

 

 

 

 

 

 

Palladium

1554

12.0

10.8

0.0042

140

325

11.0

71.8

 

 

 

 

 

 

 

 

Platinum

1772

21.45

10.58

0.00392

125

300

9.0

71.6

 

 

 

 

 

 

 

 

Silver

961.9

10.5

1.63

0.0041

137

380

19.1

429

 

 

 

 

 

 

 

 

SS - 302

1400-1420

7.92

70-72

0.00085

510-1100

15-18

16.3

 

 

 

 

 

 

 

 

Tantalum

2996

16.6

13.5

0.0035

310

760

6.5

57.5

 

 

 

 

 

 

 

 

Titanium

1660

4.5

54

0.0038

230-460

8.9

21.9

 

 

 

 

 

 

 

 

Tungsten

3410

19.3

5.4

0.0048

550 

1920

4.5

173

 

 

 

 

 

 

 

 

 

Declaimer:  GW Lab. believes this data to be accurate and for reference use only, subject to normal manufacturing variations.

                     No warranty is expressed or implied regarding accuracy of the information.