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CrNi3070 Nickel Chromium Wire Bright Surface 730 Tensile Strength
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CrNi3070 Nickel Chromium Wire Bright Surface 730 Tensile Strength

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CrNi3070 Nickel Chromium Wire Bright Surface 730 Tensile Strength

 

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 20(mm2/m) 1.18
Conductivity coefficient at 20 (WmK) 14

 

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

 

Specific heat capacity
Temperature 20
J/gK 0.46

 

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

 

Temperature Factors Of Electrical Resistivity

20 100 200 300 400 500 600
1 1.007 1.016 1.028
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Ohmalloy Material Co.,Ltd
No 1502, Youyi Road, Baoshan district, Shanghai, China (Mainland)
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