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Ni30Cr20 Nichrome Alloy , Electric Heating Strip For Powe Resistor

Good quality Bimetallic Strip for sales
Good quality Bimetallic Strip for sales
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Ni30Cr20 Nichrome Alloy , Electric Heating Strip For Powe Resistor

China Ni30Cr20 Nichrome Alloy , Electric Heating Strip For Powe Resistor supplier

Large Image :  Ni30Cr20 Nichrome Alloy , Electric Heating Strip For Powe Resistor

Product Details:

Place of Origin: China(Shanghai)
Brand Name: OHMALLOY
Certification: ISO,SGS
Model Number: 2030S0360B

Payment & Shipping Terms:

Minimum Order Quantity: 5kg
Price: negotiable
Packaging Details: Plastic packing inside, wooden box outside , choose the suitable packing, Alos it can be customized by the clients' demand.
Payment Terms: T/T, Western Union, L/C
Supply Ability: 80000Kg/Week
Detailed Product Description
Resistivity: 1.04μΩ.m Shape: Tape
Surface: Bright And Annealed Application: Element
Tensile Strength: 675 Enamelled: Available
Elongation: 35

Ni30Cr20 Nichrome Alloy , Electric Heating Strip For Powe Resistor​


(Common Name:Ni30Cr20,Nikrothal 30, N3, HAI-NiCr 30, Resistohm 30,30-20 Ni-Cr,Nikrothal 3.)


OhmAlloy104B 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 OhmAlloy104B are used in olid hot plates,open coil heaters in HVAC systems,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,floor heaters and resistors.

ichrome Grade: Ni70Cr30,Ni80Cr20, Ni60Cr15, Ni35Cr20, Ni30Cr20




Ni30Cr20 is a nickel-chromium alloy (NiCr alloy) for use at temperatures up to 1200°C (2190°F). The alloy is characterized by high resistivity, good oxidation resistance and very good form stability. It has good ductility after use and excellent weldability.


Ni30Cr20 is used for making electric heating elements in home appliances and industrial furnaces. Typical applications are flat irons, ironing machines, water heaters, plastic moulding dies, soldering irons, metal sheathed tubular elements and cartridge elements.


Chemical Composition & Property:

Properties Grade
Chemical composition % Ni 30.0~34.0
Cr 18.0~21.0
Fe Balance
Highest service temperature °C 1100
Melting point °C 1390
Density g/cm3 7.90
Resistivity μΩ.m,20°C 1.04
Elongation % ≥20
Specific heat J/g.°C 0.500
Thermal conductivity KJ/m.h.°C 43.8
Coefficient of linear extensibility α×10-6/°C 19.0
Microstructure Austenite
Magnetic property nonmagnetic


Ni30Cr20 Nichrome Alloy , Electric Heating Strip For Powe ResistorNormal composition%

C P S Mn Si Cr Ni Al Fe Other
0.08 0.02 0.015 1.00 1.0~2.0 18.0~21.0 30.0~34.0 - 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 20℃(Ωmm2/m) 1.04
Conductivity coefficient at 20℃ (WmK) 13


Coefficient of thermal expansion
Temperature Coefficient of Thermal Expansion x10-6/℃
20 ℃- 1000℃ 19



Specific heat capacity
Temperature 20℃
J/gK 0.50


Melting point (℃) 1390
Max continuous operating temperature in air (℃) 1100
Magnetic properties non-magnetic


Temperature Factors Of Electrical Resistivity

20℃ 100℃ 200℃ 300℃ 400℃ 500℃ 600℃
1 1.023 1.052 1.079 1.103 1.125 1.141
700℃ 800℃ 900℃ 1000℃ 1100℃ 1200℃ 1300℃
1.158 1.173 1.187 1.201 1.214 1.226 -


Style of supply

Alloys Name Type Dimension
OhmAlloy104BW Wire D=0.03mm~8mm
OhmAlloy104BR Ribbon W=0.4~40 T=0.03~2.9mm
OhmAlloy104BS Strip W=8~250mm T=0.1~3.0
OhmAlloy104BF Foil W=6~120mm T=0.003~0.1
OhmAlloy104BB Bar Dia=8~100mm L=50~1000


Contact Details
Ohmalloy Material Co.,Ltd

Contact Person: Matt

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