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    4. Welcome to: Danyang Hualong Special Steel Co., Ltd. official website
      Location: Home > Products
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      Ni-Cr alloy / Ni-Fe-Ni alloy








      High resistance thermoelectric alloy resistance temperature correction factor

      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



      (1). Uses: Nickel-chromium material because of its high temperature strength, plasticity,
      Widely used in industrial furnaces, household appliances, far-infrared devices.

      Grade

      Cr20Ni80

      Cr30Ni70

      Cr15Ni60

      Cr20Ni35

      Cr20Ni30

      Performance






      The main chemical composition%

      Ni

      Margin

      Margin

      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

      Margin

      Margin

      Margin

      Components maximum operating temperature℃

      1200

      1250

      1150

      1100

      1100

      Melting point℃

      1400

      1380

      1390

      1390

      1390

      Densityg/cm3

      8.40

      8.10

      8.20

      7.90

      7.90

      ResistivityμΩ·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 heatJ/g.℃

      0.440

      0.461

      0.494

      0.500

      0.500

      Thermal ConductivityKJ/m.h℃

      60.3

      45.2

      45.2

      43.8

      43.8

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

      18.0

      17.0

      17.0

      19.0

      19.0

      Microstructure

      Austenitic

      Austenitic

      Austenitic

      Austenitic

      Austenitic

      Magnetic

      Non-magnetic

      Non-magnetic

      Non-magnetic

      Non-magnetic

      Non-magnetic


      (2). Product Specifications:

      Cold-drawn alloy wire

      Diameter

      φ1.0-φ10.0mm

      Hot rolled alloy disk

      Diameter

      φ8.0-φ12.0mm

      Cold-rolled alloy strip

      Thickness

      0.5-3.5mm

      Cold-rolled alloy strip

      Width

      5.0-45.0mm

      Hot rolled alloy strip

      Thickness

      3.0-6.0mm

      Hot rolled alloy strip

      Width

      12.0-45.0mm

      Bright filament around the shaft

      Diameter

      φ0.1-φ1.0mm

      Shaft round bright flat wire

      Thickness

      0.08-1.50mm

      Shaft round bright flat wire

      Width

      0.5-5.0mm



      (3) Nickel chrome wire parameters:

      Wire diameter(mm)

      Cross-sectional area(mm2)

      Per meter
      Surface area
      cm2/m

      Cr20Ni80

      Cr30Ni70

      Cr15Ni60

      Weight per meter
      kg/m

      Resistance per meter
      Ω/m,20℃

      Weight per meter
      kg/m

      Resistance per meter
      Ω/m,20℃

      Weight per meter
      kg/m

      Resistance per meter
      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&, lt;, /P>

      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

      (4) delivery status
      1, the supply status
      Wires and plates are supplied in white or oxidized colors.
      Strip except for special requirements, the general oxidation of the color after the supply.
      Filament and flat wire after the protective gas annealing, the supply of bright soft state.
      2, product packaging
      Wire and tape wrapped in cloth, roll supply.
      Filament and flat yarn, plastic supply around the shaft.
      3, export products and users have special requirements, negotiated settlement.

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