Nichrome Alloy Ni70Cr30

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seat: Zhejiang
Validity to: Long-term effective
Last update: 2018-04-25 03:12
Browse the number: 294
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Hangzhou Ualloy Material Co.,Ltd is one of the best nichrome alloy ni70cr30 manufacturers and suppliers in China, welcome to buy discount and low price cr30ni70, n70, nikrothal 70, resistohm 70, alloy 710 from us, and also welcome to check the price and quotation with our factory.



Ni70Cr30



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



Ni70Cr30 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 Ni70Cr30 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℃(Ωmm2/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




1.038




1.044




1.036




700℃




800℃




900℃




1000℃




1100℃




1200℃




1300℃




1.03




1.028




1.029




1.033




1.037




1.043




-



Style of supply




























Alloys Name




Type




Dimension




Ni70Cr30W




Wire




D=0.03mm~8mm




Ni70Cr30R




Ribbon




W=0.4~40




T=0.03~2.9mm




Ni70Cr30S




Strip




W=8~250mm




T=0.1~3.0




Ni70Cr30F




Foil




W=6~120mm




T=0.003~0.1




Ni70Cr30B




Bar




Dia=8~100mm




L=50~1000


http://www.alloystrip.com/

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