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Nichrome Alloy Ni70Cr30

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    Negotiable

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    The date of payment from buyers deliver within days

  • seat:

    Zhejiang

  • Validity to:

    Long-term effective

  • Last update:

    2018-03-08 17:06

  • Browse the number:

    431

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Hangzhou Ualloy Material Co.,Ltd

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Contact: youchuang(Mr.)  

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Area: Zhejiang

address: No.126,Jincheng Road,Xindeng Town,Fuyang District,Hangzhou

Website: http://www.alloystrip.com/ http://youchuang.jishhua.com/

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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

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