中   文      |      ENGLISH 
 
    Ni-Cr alloy/Ni-Cr-Fe alloy
    FE-CR-AL ALLOY
    High temperature alloy
    Precision alloy
    NS alloy
    Cu-Ni alloy
    Special welding wire
    Stainless steel/Refractory steel
 
 High reststance electro therma >> Ni-Cr alloy/Ni-Cr-Fe alloy >> Ni-Cr alloy/Ni-Cr-Fe alloy
 
 

       

       

       

   

iron-chromium high electric resistance alloy temperature coefficient of resistance revision

The alloy grade

20

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1Cr13A14

1.000

1.005

1.014

1.028

1.044

1.064

1.090

1.120

1.132

1.142

1.150

 

 

 

0Cr25A15

1.000

1.002

1.005

1.008

1.013

1.021

1.030

1.038

1.040

1.042

1.044

1.046

1.047

 

0Cr21A16

1.000

1.000

1.002

1.006

1.011

1.020

1.037

1.043

1.046

1.049

1.052

1.055

1.058

 

0Cr21A14

1.000

1.011

1.025

1.042

1.061

1.085

1.120

1.142

1.154

1.172

1.180

1.186

 

 

0Cr21A16Nb

1.000

0.997

0.996

0.994

0.991

0.990

0.99

0.99

0.99

0.99

0.99

0.99

0.99

 

0Cr27A17Mo2

1.000

0.992

0.986

0.981

0.978

0.976

0.974

0.972

0.970

0.969

0.968

0.968

0.967

0.967

Cr20Ni80

1.000

1.006

1.012

1.018

1.025

1.026

1.018

1.010

1.008

1.010

1.014

1.021

1.025

 

Cr30Ni70

1.000

1.007

1.016

1.028

1.038

1.044

1.036

1.030

1.028

1.029

1.033

1.037

1.043

 

Cr15Ni60

1.000

1.011

1.024

1.038

1.052

1.064

1.069

1.073

1.078

1.088

1.095

1.109

 

 

Cr20Ni35

1.000

1.029

1.061

1.090

1.115

1.139

1.157

1.173

1.188

1.208

1.219

1.228

 

 

Cr20Ni30

1.000

1.023

1.052

1.079

1.103

1.125

1.141

1.158

1.173

1.187

1.201

1.214

1.226

 


Purposes: Ni-Cr materials are widely used in industrial electric furnaces, household appliances and far-infrared devices because of their high temperature strength and strong plasticity.

Grade

Cr20Ni80

Cr30Ni70

Cr15Ni60

Cr20Ni35

Cr20Ni30

Properties

Main chemical composition%

Ni

The remaining amount

The remaining amount

55.0~61.0

34.0~37.0

30.0~34.0

Cr

20.0~23.0

28.0~31.0

15.0~18.0

18.0~21.0

18.0~21.0

Fe

≤1.0

≤1.0

The remaining amount

The remaining amount

The remaining amount

The maximum use temperature℃

1200

1250

1150

1100

1100

Melting point℃

1400

1380

1390

1390

1390

Density g/cm3

8.40

8.10

8.20

7.90

7.90

Rate of resistance
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

HeatJ/g.℃

0.440

0.461

0.494

0.500

0.500

Thermal conductivity KJ/m.h℃

60.3

45.2

45.2

43.8

43.8

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

18.0

17.0

17.0

19.0

19.0

Microstructure

Austenite

Austenite

Austenite

Austenite

Austenite

Magnetic property

non-
magnetic

non-magnetic

non-
magnetic

non-magnetic

non-magnetic

(2).Specifications:

Cold-drawn alloy wire

Diameter

φ1.0-φ10.0mm

Hot-rolled alloy tray

Diameter

φ8.0-φ12.0mm

Cold-rolled alloy sheet

Thickness

0.5-3.5mm

Cold-rolled alloy sheet

Width

5.0-45.0mm

Hot-rolled alloy sheet

Thickness

3.0-6.0mm

Hot-rolled alloy sheet

Width

12.0-45.0mm

Bright filaments around the axis

Diameter

φ0.1-φ1.0mm

Bright flat wires around

Thickness

0.08-1.50mm

Bright flat wires around

Width

0.5-5.0mm



(3).The parameters of the nickel-chromium wire:

,

Diameter
(mm)

Cross-sectional
(mm2)

Surface area per meter
cm2/m

Cr20Ni80

Cr30Ni70

Cr15Ni60

kg/m

Ω/m,20℃

kg/m

Ω/m,20℃

kg/m

Ω/m,20℃

0.10

0.007854

3.142

0.00006597

138.8

0.00006362

150.2

0.00006440

142.6

0.12

0.01131

3.770

0.00009500

96.38

0.00009161

104.3

0.00009274

99.03

0.15

0.01767

4.712

0.0001484

61.68

0.0001431

66.77

0.0001449

63.38

0.17

0.02270

5.341

0.0001907

48.02

0.0001839

51.99

0.0001861

49.34

0.19

0.02835

5.969

0.0002382

38.44

0.0002297

41.62

0.0002325

39.50

0.21

0.03464

6.597

0.0002909

31.47

0.0002806

34.07

0.0002840

32.34

0.25

0.04909

7.854

0.0004123

22.21

0.0003976

24.04

0.0004025

22.82

0.27

0.05726

8.482

0.0004809

19.04

0.0004638

20.61

0.0004695

19.56

0.29

0.06605

9.111

0.0005548

16.50

0.0005350

17.86

0.0005416

16.96

0.31

0.07548

9.739

0.0006340

14.44

0.0006114

15.63

0.0006189

14.84

0.35

0.09621

11.00

0.0008082

11.33

0.0007793

12.26

0.0007889

11.64

0.40

0.1257

12.57

0.001056

8.674

0.001018

9.390

0.001030

8.913

0.45

0.1590

14.14

0.001339

6.835

0.001288

7.419

0.001304

7.042

0.50

0.1963

15.71

0.001469

5.551

0.001590

6.010

0.001610

5.704

0.60

0.2827

18.85

0.002375

3.855

0.002290

4.173

0.002318

3.961

0.70

0.3848

21.99

0.003233

2.832

0.003117

3.066

0.003156

2.910

0.80

0.5027

25.13

0.004222

2.168

0.004072

2.348

0.004122

2.228

0.90

0.6362

28.27

0.005344

1.713

0.005153

1.855

0.005217

1.761

1.00

0.7854

31.42

0.006597

1.388

0.006362

1.502

0.006440

1.426

1.20

1.131

37.70

0.009500

0.9638

0.009161

1.043

0.009274

0.9903

1.40

1.539

43.98

0.01293

0.7081

0.01247

0.7665

0.01262

0.7276

1.60

2.011

50.27

0.01689

0.5421

0.01629

0.5869

0.01649

0.5570

1.80

2.545

56.55

0.02138

0.4283

0.02061

0.4637

0.02087

0.4401

2.00

3.142

62.83

0.02639

0.3470

0.02545

0.3756

0.02576

0.3565

2.20

3.801

69.12

0.03139

0.2867

0.03079

0.3104

0.03117

0.2946

2.50

3.976

70.69

0.03340

0.2741

0.03221

0.2968

0.03260

0.2817

2.80

6.158

87.96

0.05172

0.1770

0.04988

0.1916

0.05049

0.1819

3.00

7.069

94.25

0.05938

0.1542

0.05726

0.1669

0.05796

0.1584

3.50

9.621

110.0

0.08082

0.1133

0.07793

0.1226

0.07889

0.1164

4.00

12.57

125.7

0.1056

0.08674

0.1018

0.09390

0.1030

0.08913

4.50

15.90

141.4

0.1336

0.06853

0.1288

0.0, 7419

0.1304

0.07042

5.00

19.63

157.1

0.1649

0.05551

0.1590

0.06010

0.1610

0.05704

5.50

23.76

172.8

0.1996

0.04588

0.1924

0.04967

0.1948

0.04714

6.00

28.27

188.5

0.2375

0.03855

0.2290

0.04173

0.2318

0.03961

6.50

33.18

204.2

0.2787

0.03285

0.2688

0.03556

0.2721

0.03375

7.00

38.48

219.9

0.3233

0.02832

0.3117

0.03066

0.3156

0.02910

Delivery status:
The availability status
The sheet and tray materials are supplied with white or colored soft state.
The sheet materials are supplied with colored after annealing except special requirements.
The filaments and flat wires are supplied with light soft state after annealing through protection gas.
Product packaging
The sheet and wire materials are packaged with bagging and are supplied in volumes.
The filaments and flat wires are supplied with plastic-sealing around the axis.
The special requirements of users and the export products can be resolved through

  Hualong superior Steel Co ., Ltd. All rights reserved.       Tel :0511-86450506、86456040      Fax:0511-86453363
E-mail :info@hltegang.com   h-dragon@hltegang.com       苏ICP备案:05057273号      Design by ZOUE