Ohmalloy Material Co.,Ltd
                                                                                                           
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Nickel Alloy Wire Ni70cr30 Nikrothal 70 N7 Hai-Nicr 70 Chromel 70/30 Resistohm 70

Price Negotiable
Price: 28.8-32.5USD/KG
MOQ: 5KG
Delivery Time: 10-35 working days after payment confirmed
Brand: OHMALLOY/OEM
Product Description

Nickel Alloy Wire Ni70cr30 Nikrothal 70 N7 Hai-Nicr 70 Chromel 70/30 Resistohm 70

 

OhmAlloy118
(Common Name: Ni70Cr30, Nikrothal 70, N7, HAI-NiCr 70, Chromel 70/30, Resistohm 70, Balco,Tophet 30,Cronix 70,Alloy 710,Stablohm 710)

OhmAlloy118 is a nickel-chromium alloy (NiCr alloy) characterized byHigh resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. It is suitable for use at temperatures up to 1250°C.

Typical applications for OhmAlloy118 are used in electrical heating elements in industrial furnace,and well suited for reducing atmospheres.

Normal composition%

C P S Mn Si Cr Ni Al Fe Other
Max
0.05 0.02 0.015 0.60 0.75~1.60 28.0~31.0 Bal. Max 0.50 Max 1.0 -

Typical Mechanical properties(1.0mm)

Yield strength Tensile Strength Elongation
Mpa Mpa %
430 820 30

Typical Physical properties

Density (g/cm3) 8.2
Electrical resistivity at 20ºC(ohmmm2/m) 1.18
Conductivity coefficient at 20ºC (WmK) 14

 

Coefficient of thermal expansion
Temperature Coefficient of Thermal Expansion x10-6/ºC
20 ºC- 1000ºC 17

 

Specific heat capacity
Temperature 20ºC
J/gK 0.46

 

Melting point (ºC) 1380
Max continuous operating temperature in air (ºC) 1250
Magnetic properties non-magnetic


Temperature Factors Of Electrical Resistivity

20ºC 100ºC 200ºC 300ºC 400ºC 500ºC 600ºC
1 1.007 1.016 1.028 1.038 1.044 1.036
700ºC 800ºC 900ºC 1000ºC 1100ºC 1200ºC 1300ºC
1.03 1.028 1.029 1.033 1.037 1.043 -


Style of supply

Alloys Name Type Dimension  
OhmAlloy118W Wire D=0.03mm~8mm  
OhmAlloy118R Ribbon W=0.4~40 T=0.03~2.9mm
OhmAlloy118S Strip W=8~250mm T=0.1~3.0
OhmAlloy118F Foil W=6~120mm T=0.003~0.1
OhmAlloy118B Bar Dia=8~100mm L=50~1000

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Ohmalloy Material Co.,Ltd
Location Room 311, No.1211, Mudanjiang Road, Baoshan district, Shanghai
Contact Person Qiu

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