Ultra high temperature electrothermal alloy

Short Description:

This product is made of refined master alloy by powder metallurgy technology. It is manufactured by special cold working and heat treatment process. The ultra-high temperature electric heating alloy has good oxidation resistance, high temperature corrosion resistance, small creep, long service life and small resistance change.


Product Detail

Product Tags

This product is made of refined master alloy by powder metallurgy technology. It is manufactured by special cold working and heat treatment process. The ultra-high temperature electric heating alloy has good oxidation resistance, high temperature corrosion resistance, small creep, long service life and small resistance change. It is suitable for high temperature 1420 ℃, high power density, corrosive atmosphere, carbon gas and other working environment.It can be used in ceramic kiln, high temperature heat treatment furnace, laboratory furnace, electronic industrial furnace and diffusion furnace.

Main chemical components

C

Si

Mn

Cr

Al

Fe

0.04

0.5

0.4

20-22

5.5-6.0

——

Main mechanical properties

Room temperature tensile strength 650-750MPa
Elongation 15-25%
Hardness HV220-260
1000 ℃ tensile strength 22-27MPa
1000℃6MPa High temperature durability ≥100h

Main physical properties

Density 7.1g/cm³
Resistivity 1.45*10-6·Ω·m 

Temperature coefficient of resistance

800

1000

1400

1.03

1.04

1.05

 

melting point 1500℃
Maximum continuous operating temperature  1400℃

Fast life

 

1300

1350

Average fast life (h)

110

90

Post fracture sagging rate%

8

11

Specifications

Wire diameter range: Φ0.1-8.5mm

SGHT Resistane value/Weight sheet

(1) Resistivity at 20=1.45μΩ.mDensity=7.1g/cm3;

(2) The following calculation data are for reference, the resistance values fluctuation range is ±5, and weight changes by the dimensional accuracy range.  

Diameter (mm)

Resistance
(Ω/m)

Weight (g/m)

 

Width
(mm)

Thickness
(mm)

Resistance
(Ω/m)

Weight (g/m)

1.00

1.846

5.576

 

8.00

1.00

0.191

56.800

1.10

1.526

6.747

 

9.00

1.00

0.170

63.900

1.20

1.282

8.030

 

10.00

1.00

0.153

71.000

1.30

1.092

9.424

 

11.00

1.00

0.139

78.100

1.40

0.942

10.929

 

12.00

1.00

0.127

85.200

1.50

0.821

12.546

 

13.00

1.00

0.117

92.300

1.60

0.721

14.275

 

14.00

1.00

0.109

99.400

1.70

0.639

16.115

 

15.00

1.00

0.102

106.500

1.80

0.570

18.067

 

16.00

1.00

0.095

113.600

1.90

0.511

20.130

 

17.00

1.00

0.090

120.700

2.00

0.462

22.305

 

18.00

1.00

0.085

127.800

2.10

0.419

24.591

 

19.00

1.00

0.080

134.900

2.20

0.381

26.989

 

20.00

1.00

0.076

142.000

2.30

0.349

29.498

 

8.00

1.20

0.159

68.160

2.40

0.321

32.119

 

9.00

1.20

0.141

76.680

2.50

0.295

34.851

 

10.00

1.20

0.127

85.200

2.60

0.273

37.695

 

11.00

1.20

0.116

93.720

2.70

0.253

40.650

 

12.00

1.20

0.106

102.240

2.80

0.235

43.717

 

13.00

1.20

0.098

110.760

2.90

0.220

46.896

 

14.00

1.20

0.091

119.280

3.00

0.205

50.185

 

15.00

1.20

0.085

127.800

3.10

0.192

53.587

 

16.00

1.20

0.079

136.320

3.20

0.180

57.100

 

17.00

1.20

0.075

144.840

3.30

0.170

60.724

 

18.00

1.20

0.071

153.360

3.40

0.160

64.460

 

19.00

1.20

0.067

161.880

3.50

0.151

68.308

 

20.00

1.20

0.064

170.400

3.60

0.142

72.267

 

8.00

1.50

0.127

85.200

3.70

0.135

76.338

 

9.00

1.50

0.113

95.850

3.80

0.128

80.520

 

10.00

1.50

0.102

106.500

3.90

0.121

84.813

 

11.00

1.50

0.093

117.150

4.00

0.115

89.219

 

12.00

1.50

0.085

127.800

4.10

0.110

93.735

 

13.00

1.50

0.078

138.450

4.20

0.105

98.364

 

14.00

1.50

0.073

149.100

4.30

0.100

103.103

 

15.00

1.50

0.068

159.750

4.40

0.095

107.955

 

16.00

1.50

0.064

170.400

4.50

0.091

112.917

 

17.00

1.50

0.060

181.050

4.60

0.087

117.992

 

18.00

1.50

0.057

191.700

4.70

0.084

123.177

 

19.00

1.50

0.054

202.350

4.80

0.080

128.475

 

20.00

1.50

0.051

213.000

4.90

0.077

133.884

 

8.00

2.00

0.095

113.600

5.00

0.074

139.404

 

9.00

2.00

0.085

127.800

5.10

0.071

145.036

 

10.00

2.00

0.076

142.000

5.20

0.068

150.779

 

11.00

2.00

0.069

156.200

5.30

0.066

156.634

 

12.00

2.00

0.064

170.400

5.40

0.063

162.601

 

13.00

2.00

0.059

184.600

5.50

0.061

168.679

 

14.00

2.00

0.055

198.800

5.60

0.059

174.868

 

15.00

2.00

0.051

213.000

5.70

0.057

181.170

 

16.00

2.00

0.048

227.200

5.80

0.055

187.582

 

17.00

2.00

0.045

241.400

5.90

0.053

194.106

 

18.00

2.00

0.042

255.600

6.00

0.051

200.742

 

19.00

2.00

0.040

269.800

BEIJING SHOUGANG GITANE NEW MATERIALS CO.,LTD


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