Cr20Ni30

Nicr/NicrFe alloys posses high electric resistance, antioxidant, high tensile stength under high temperature, good formability and weldability.it can be used for making heating element and resistor in Metallurgy, household electrical appliance and Machinery. NiCr A

DETAIL

Nicr/NicrFe alloys posses high electric resistance, antioxidant, high tensile stength under high temperature, good formability and weldability.it can be used for making heating element and resistor in Metallurgy, household electrical appliance and Machinery.



NiCr ALLOY TECHNICAL PARAMENTS


Property/Type

Cr20Ni80

Cr30Ni70

Cr15Ni60

Cr20Ni35

Cr20Ni30

Main chemical(%)

Ni

余量Bal

REST

55.0~61.0

34.0~37.0

30.0~34.0

Cr

22.0~23.0

28.0~31.0

15.0~18.0

18.0~21.0

18.0~21.0

Fe

≤1.0

≤1.0

余量Bal

余量Bal

REST

Max continuous service temp(℃)

1200

1100

1000

1000

1000

Melting point(℃)

1400

1380

1390

1390

1390

Density(g/cm3)

8.4

8.1

8.2

7.9

7.9

Resistivity(µΩ.m,20℃)

1.09±0.05

1.18±0.05

1.11±0.05

1.04±0.05

1.04±0.05

Elongation(%)

≥20

≥20

≥20

≥20

≥20

Specific heat capacity at 20℃(J/g.℃)

0.44

0.461

0.494

0.5

0.5

Thermal conductivity(kJ/m.h℃)

60.3

45.2

45.2

43.8

43.8

Line expansion coefficient(a×10-6/℃(20~1000℃))

18

17

17

19

19

Micro structure

Austenite

Austenite

Austenite

Austenite

Austenite

Magnetic properties

Non-magnetic

Non-magnetic

Non-magnetic

Non-magnetic

Non-magnetic


NICR ROUND WIRE DIAMETER AND CHARACTERISTICS


mm

mm²

cm²/m

Cr20Ni80

Cr15Ni60

Cr20Ni35,CrNi30

kg/m

Ω/m,20℃

kg/m

Ω/m,20℃

kg/m

Ω/m,20℃

0.1

0.007854

3.142

0.00006597

138.8

0.0000644

142.6

0.0000616

132.4

0.12

0.01131

3.77

0.000095

96.38

0.00009274

99.03

0.0000892

91.96

0.15

0.01767

4.712

0.0001484

61.68

0.0001449

63.38

0.00014

58.85

0.17

0.0227

5.341

0.0001907

48.02

0.0001861

49.34

0.000179

45.82

0.19

0.02835

5.969

0.0002382

38.44

0.0002325

39.5

0.000224

36.86

0.21

0.03464

6.597

0.0002909

31.47

0.000284

32.34

0.0003

27.36

0.25

0.04909

7.854

0.0004809

22.21

0.0004025

22.82

0.000388

21.19

0.27

0.05726

8.482

0.0005548

19.04

0.0004695

19.56

0.000487

16.89

0.29

0.06605

9.111

0.0004809

16.5

0.0005416

16.96

0.000558

14.71

0.31

0.07548

9.739

0.000634

14.44

0.0006189

14.84

0.000635

12.93

0.35

0.09621

11

0.0008082

11.33

0.0007889

11.64

0.00076

10.81

0.4

0.1257

12.57

0.001056

8.674

0.00103

8.913

0.000993

8.276

0.45

0.159

14.14

0.001339

6.835

0.001304

7.042

0.00126

6.539

0.5

0.1963

15.71

0.001469

5.551

0.00161

5.704

0.00155

5.297

0.6

0.2827

18.85

0.002375

3.855

0.002318

3.961

0.00224

3.749

0.7

0.3848

21.99

0.003233

2.832

0.003156

2.91

0.00304

2.754

0.8

0.5027

25.13

0.004222

2.168

0.004122

2.228

0.00397

2.109

0.9

0.6362

28.27

0.005344

1.713

0.005217

1.761

0.00503

1.666

1.00

0.7854

31.42

0.006597

1.388

0.00644

1.426

0.0062

1.35

1.20

1.131

37.7

0.0095

0.9638

0.009274

0.9903

0.00894

0.9196

1.40

1.539

43.98

0.01293

0.7081

0.01262

0.7276

0.01216

0.6756

1.60

2.011

50.27

0.01689

0.5421

0.1649

0.557

0.01588

0.5173

1.80

2.545

56.55

0.02138

0.4283

0.02087

0.4401

0.02006

0.4087

2.00

3.142

62.83

0.02639

0.347

0.02576

0.3565

0.02408

0.331

2.20

3.801

69.12

0.03139

0.2867

0.03117

0.2946

0.03002

0.2736

2.50

3.976

70.69

0.0334

0.2741

0.0326

0.2817

0.04195

0.2109

2.80

6.158

87.96

0.05172

0.177

0.05049

0.1819

0.04866

0.1689

3.00

7.069

94.25

0.05938

0.1542

0.05796

0.1584

0.05587

0.1471

3.50

9.621

110

0.08082

0.1133

0.07889

0.1164

0.07599

0.1081

4.00

12.57

125.7

0.1056

0.08674

0.103

0.08913

0.0993

0.08276

4.50

15.9

141.4

0.1336

0.06853

0.1304

0.07042

0.1256

0.06539

5.00

19.63

157.1

0.1649

0.05551

0.161

0.05704

0.1551

0.05297

5.50

23.76

172.8

0.1996

0.04588

0.1948

0.04714

0.188

0.04462

6.00

28.27

188.5

0.2375

0.03855

0.2318

0.03961

0.2236

0.03749

6.50

33.18

204.2

0.2787

0.03285

0.2721

0.03375

0.2623

0.03194

7.00

38.48

219.9

0.3233

0.02832

0.3156

0.0291

0.3041

0.02754