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Nicr Cr20ni35 Electric Resistance Heating Elements Strip

Basic Info

Model No.:  Cr20Ni35

Product Description

Model NO.: Cr20Ni35 Material: Nicr Condition: Bright, Soft Product Name: Nicr Cr20ni35 Electric Resistance Heating Elements Trademark: Ualloy Origin: China Product Type: Strip Carbon Content: Low Carbon Brand: Ualloy Size: T=0.1-3.0mm,W=8-250mm Specification: GB/T 1234-2012 HS Code: 75062000 NiCr Cr20Ni35 electric resistance heating elements strip

(Common Name:Ni35Cr20,Chromel D, Nikrothal 40, N4, HAI-NiCr 40, Tophet D, Resistohm 40,Chromex,35-20 Ni-Cr,Alloy D,NiCr-DAlloy 600,Nikrothal 4,MWS-610,Stablohm 610.)
Ni35Cr20 is a nickel-chromium alloy (NiCr alloy) characterized by High resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. It is suitable for use at temperatures up to 1100°C.
Typical applications for Ni35Cr20 are used in night-storage heaters,convection heaters,heavy duty rheostats and fan heaters.And also used for heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads,car seats,baseboard heaters and floor heaters,braking resistors.
Normal composition%
C P S Mn Si Cr Ni Al Fe Other
           Max
0.08 0.02 0.015 1.00 1.0~3.0 18.0~21.0 34.0~37.0 - Bal. -
 
Typical Mechanical properties(1.0mm)
Yield strength Tensile Strength Elongation
Mpa Mpa %
340 675 35
 
Typical Physical properties
Density (g/cm3) 7.9
Electrical resistivity at 20ºC(ohmmm2/m) 1.04
Conductivity coefficient at 20ºC (WmK) 13
 
Coefficient of thermal expansion
Temperature Coefficient of Thermal Expansion x10-6/ºC
20 ºC- 1000ºC 19
 
 
Specific heat capacity
Temperature 20ºC
J/gK 0.50
 
Melting point (ºC) 1390
Max continuous operating temperature in air (ºC) 1100
Magnetic properties non-magnetic
 
Temperature Factors Of Electrical Resistivity
20ºC 100ºC 200ºC 300ºC 400ºC 500ºC 600ºC
1 1.029 1.061 1.09 1.115 1.139 1.157
700ºC 800ºC 900ºC 1000ºC 1100ºC 1200ºC 1300ºC
1.173 1.188 1.208 1.219 1.228 - -
 
Style of supply
Alloys Name Type Dimension
Ni35Cr20W Wire D=0.03mm~8mm
Ni35Cr20R Ribbon W=0.4~40 T=0.03~2.9mm
Ni35Cr20S Strip W=8~250mm T=0.1~3.0
Ni35Cr20F Foil W=6~120mm T=0.003~0.1
Ni35Cr20B Bar Dia=8~100mm L=50~1000
 
 

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