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5-80mm NiCr 80/20,NiCr 60/15, Ni80Cr20, Ni80 Nichrome rod Nichrome 80 wire rod

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5-80mm NiCr 80/20,NiCr 60/15, Ni80Cr20, Ni80 Nichrome rod Nichrome 80 wire rod

Country/Region china
City & Province shanghai shanghai
Categories Billets

Product Details

Introduction:

Ni80Cr20 is an 80% Ni, 20%Cr alloy which is marketed in heavier sizes as resistance heating wires. Ni80Cr20 has a relatively high resistivity 1.09 ohm mm2m-1 sand a moderate temperature coefficient value.The maximum working temperature in air is +600 ℃ and +1 200 ℃ when used for heating wires,when used for heating wires, oxidized wires display better insulation properties than other alloy of this kind.

 

Equal Grade:

Chromel A, Nikrothal 80, N8, Nichrome V, HAI-NiCr 80, Tophet A, Resistohm80, Cronix 80, Protoloy, Nikrothal 8, Alloy A, MWS-650, Stablohm 650,NCHW1

 

Chemical Content, %

 NiCrSiAlFeOther
NominalBal.     
Min 20.00.75-- 
Max 23.01.600.501.0-

 

Mechanical Properties

Properties/GradeCr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30
Main Chemical compositionNiRestRest55.0-61.034.0-37.030.0-34.0
Cr20.0-23.028.0-31.015.0-18.018.0-21.018.0-21.0
Fe≤1.0≤1.0RestRestRest

Max. continuous service temp. Of

element

12001250115011001100
Resistivity at 20oC (μΩ·m)1.091.181.121.041.04
Density (g/cm3)8.408.108.207.907.90
Thermal conductivity(KJ/m·h·oC)60.345.245.243.843.8

Coefficient of lines expansion

(α×10-6/oC)

18.017.017.019.019.0
Melting point (approx.)( oC)14001380139013901390
Elongation at rupture (%)>20>20>20>20>20
Micrographic structureausteniteausteniteausteniteausteniteaustenite
Magnetic propertiesnonmagneticnonmagneticnonmagneticnonmagneticnonmagnetic

Applications:

Wire wound resistor

lead wires

Potentiometers

Pressure transducers

Detonators

Strings in musical instruments

Ceramic resistors where gas free oxidation is required.

Heating elements

Electric furnaces, high temperature elements, heating batteries

Resistor

 

Data Sheet

Diameter

mm

Resistance

At 20℃Ω/m

cm²/Ω

20℃

Weight g/mSurface area cm²/mCross section area mm²
10.000.013922615659.4314.021878.5000
9.000.017116487534.1282.621863.5850
8.000.021711579422.0251.221850.2400
7.500.02479541370.9235.521844.1563
7.000.02837757323.1219.821838.4650
6.500.03296211278.6204.121833.1663
6.000.03864885237.4188.421828.2600
5.500.04593763199.5172.721823.7463
5.000.05552827164.9157.021819.6250
4.800.06032501151.9150.741818.0864
4.500.06862061133.5141.321815.8963
4.000.08681448105.5125.621812.5600
3.800.0962124195.2174119.341811.3354
3.500.1133969.757380.7765109.92189.6163
3.200.1356741.168567.5226100.50188.0384
3.000.1543610.712959.346094.22187.0650
2.800.1771496.540451.697087.94186.1544
2.500.2222353.438141.212578.52184.9063
2.200.2869240.867331.915069.10183.7994
2.000.3471180.972926.376062.82183.1400
1.900.3846155.164523.804359.68182.8339
1.800.4286131.934321.364656.54182.5434
1.700.4805111.146819.056753.40182.2687
1.600.542492.666216.880650.26182.0096
1.500.617176.356814.836547.12181.7663
1.400.708462.082912.924243.98181.5386
1.300.821649.709011.143940.84181.3267
1.200.964339.09929.495437.70181.1304
1.101.147530.11797.978734.56180.9499
1.001.388522.62956.594031.42180.7850
0.951.538519.40265.951129.85180.7085
0.901.714216.49815.341128.28180.6359
0.851.921813.89904.764226.71180.5672
0.802.169611.58834.220225.14180.5024
0.752.46859.54903.709123.57180.4416
0.702.83377.76423.231122.00180.3847
0.653.28656.21692.786020.43180.3317
0.603.85704.89022.373818.86180.2826
0.554.59023.76711.994717.29180.2375
0.505.55412.83061.648515.72180.1963
0.486.02662.50451.519315.09380.1809
0.456.85702.06391.335314.15180.1590
0.427.87151.67821.163213.20980.1385
0.408.67831.44981.055012.58180.1256
0.389.61591.24310.952211.95380.1134
0.3511.33500.97150.807811.01180.0962
0.3213.55990.74260.675210.06980.0804
0.3015.42820.61200.59359.44180.0707
0.2817.71090.49760.51708.81380.0615
0.2620.54050.39850.44588.18580.0531
0.2522.21660.35430.41217.87180.0491
0.2424.10650.31350.37987.55780.0452
0.2326.24830.27600.34887.24380.0415
0.2228.68870.24160.31916.92980.0380
0.2131.48610.21010.29086.61580.0346
0.2034.71340.18150.26386.30180.0314
0.1938.46360.15570.23805.98780.0283
0.1842.85600.13240.21365.67380.0254
0.1748.04620.11160.19065.35980.0227
0.1654.23960.09300.16885.04580.0201
0.1561.71270.07670.14844.73180.0177
0.1470.84360.06240.12924.41780.0154
0.1382.16180.04990.11144.10380.0133
0.1296.42600.03930.09503.78980.0113
0.11114.75500.03030.07983.47580.0095
0.101390.02280.06593.16180.0079
0.091710.01660.05342.84780.0064
0.082170.01170.04222.53380.0050
0.072830.00780.03232.21980.0038
0.063860.00490.02371.90580.0028
0.055550.00290.01651.59180.0020
0.048680.00150.01061.27780.0013
0.0315430.00060.00590.96380.0007
0.0234710.00020.00260.64980.0003
0.01138850.00000.00070.33580.0001

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