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Chrome Alloy Heating Element

Index of Alloy (Fe-Cr-Al series) Heating Element

 

 

1Cr13A14

1Cr21A14

0Cr21A16

0Cr23A15

0Cr25A15

0Cr21A16Nb

0Cr27A17Mo2

Component (%)

Cr

12~15

17~21

19~22

20.5~23.5

23~26

21~23

26.5~27.8

Al

4~6

2~4

5~7

4.2~5.3

4.5~6.5

5~7

6~7

Fe

Margin

Margin

Margin

Margin

Margin

Margin

Margin

Re

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nb: 0.5

Mo: 1.8~2.2

Max usage Temperature (⊥)

 

950

1100

1250

1250

1250

1350

1400

Melting Point (⊥)

 

1450

1500

1500

1500

1500

1510

1520

Bulk Density (g/cm3)

 

7.4

7.35

7.16

7.25

7.1

7.1

7.1

Resistance
(u次/m,20⊥)

 

1.25㊣0.08

1.23㊣0.06

1.42㊣0.07

1.35㊣0.06

1.42㊣0.07

1.45㊣0.07

1.53㊣0.07

Tension Intensity (Mpa)

 

588~735

637~784

637~784

637~784

637~784

637~784

686~784

Extensibility (%)

 

≡16

≡12

≡12

≡12

≡12

≡12

≡10

Bending Times

 

≡5

≡5

≡5

≡5

≡5

≡5

≡5

Accelerated Life (h/⊥)

 

-

≡80/1250

≡80/1300

≡80/1300

≡80/1300

≡50/1350

≡50/1350

Specific Heat (J/g. ⊥)

 

0.49

0.49

0.52

0.46

0.494

0.494

0.494

Thermal Conductivity (KJ/m.h⊥)

 

52.7

46.9

63.2

60.2

46.1

46.1

45.2

Linear Expansivity (a℅10-6/⊥ 20~1000⊥)

 

15.4

13.5

14.7

15

16

16

16

Hardness (HB)

 

200~260

200~260

200~260

200~260

200~260

200~260

200~260

Nickel-Chrom heating element

Diameter
(mm)

Sectional Area
(mm2)

Superficial Area
cm2/m

Cr20Ni80

Weight
kg/m

Resistance
次/m,20⊥

0.10

0.007854

3.142

0.00006597

138.8

0.12

0.01131

3.770

0.00009500

96.38

0.15

0.01767

4.712

0.0001484

61.68

0.17

0.02270

5.341

0.0001907

48.02

0.19

0.02835

5.969

0.0002382

38.44

0.21

0.03464

6.597

0.0002909

31.47

0.25

0.04909

7.854

0.0004123

22.21

0.27

0.05726

8.482

0.0004809

19.04

0.29

0.06605

9.111

0.0005548

16.50

0.31

0.07548

9.739

0.0006340

14.44

0.35

0.09621

11.00

0.0008082

11.33

0.40

0.1257

12.57

0.001056

8.674

0.45

0.1590

14.14

0.001339

6.835

0.50

0.1963

15.71

0.001469

5.551

0.60

0.2827

18.85

0.002375

3.855

0.70

0.3848

21.99

0.003233

2.832

0.80

0.5027

25.13

0.004222

2.168

0.90

0.6362

28.27

0.005344

1.713

1.00

0.7854

31.42

0.006597

1.388

1.20

1.131

37.70

0.009500

0.9638

1.40

1.539

43.98

0.01293

0.7081

1.60

2.011

50.27

0.01689

0.5421

1.80

2.545

56.55

0.02138

0.4283

2.00

3.142

62.83

0.02639

0.3470

2.20

3.801

69.12

0.03139

0.2867

2.50

3.976

70.69

0.03340

0.2741

2.80

6.158

87.96

0.05172

0.1770

3.00

7.069

94.25

0.05938

0.1542

3.50

9.621

110.0

0.08082

0.1133

4.00

12.57

125.7

0.1056

0.08674

4.50

15.90

141.4

0.1336

0.06853

5.00

19.63

157.1

0.1649

0.05551

5.50

23.76

172.8

0.1996

0.04588

6.00

28.27

188.5

0.2375

0.03855

6.50

33.18

204.2

0.2787

0.03285

7.00

38.48

219.9

0.3233

0.02832

Wattage Index of Alloy (Fe-Cr-Al series, Spring shape) Heating Element

Wattage
W

Voltage
V

Diameter
mm

Outer Diameter
mm

Length of Spring mm

Length of Line mm

Cold Resistance 次

Hot Resistance

Weight g

3000

220

1.20

6.4

894

12.12

15.0

16.1

97

2500

220

1.10

6.2

840

12.20

18.0

19.4

83

2000

220

0.90

5.8

620

10.30

22.6

24.2

46.4

1500

220

0.80

5.6

590

10.75

30.0

32.3

38.8

1200

220

0.70

5.4

500

10.40

37.8

40.4

28.1

1000

220

0.65

5.3

480

10.70

45.2

48.5

25.2

900

220

0.65

5.3

530

11.90

50.2

53.8

28.3

800

220

0.60

4.7

530

11.40

56.4

60.4

22.9

700

220

0.55

4.6

480

11.00

64.6

69.2

18.7

600

220

0.50

4.5

422

10.60

75.4

80.4

14.9

500

220

0.45

4.4

374

10.30

90.6

97.0

11.4

400

220

0.4

3.8

380

10.15

113.0

121.1

9.1

300

220

0.36

3.7

346

10.40

151.0

161.1

7.1

 

 

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