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Hangzhou Ualloy Material Co., Ltd.

Ni70cr30, Ni70cr30 Wire, Cr30ni70 manufacturer / supplier in China, offering Ni70cr30 Wire Used to Reduce Atmosphere, High Quality Fecral 0cr27al7mo2 Resistor Foil/Bright Coil, 0cr21al6 Fecral Alloy Foil/ Heating Resistance Wire and so on.

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Supplier Homepage Product Resistance Heating Strip Ni70cr30 Wire Used to Reduce Atmosphere

Ni70cr30 Wire Used to Reduce Atmosphere

FOB Price: US $28 / kg
Min. Order: 10 kg
Min. Order FOB Price
10 kg US $28/ kg
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Port: Shanghai, China
Production Capacity: 100tons/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal
Basic Info
  • Model NO.: Ni70Cr30
  • Material: Nicr
  • Condition: Bright,Soft
  • Trademark: ualloy
  • Specification: 0.03mm-8.0mm
  • HS Code: 75052200
  • Product Type: Wire
  • Carbon Content: Low Carbon
  • Product Name: Ni70cr30 Wire Used to Reduce Atmosphere
  • Transport Package: Plastic Film, Weave Bag, Pallet
  • Origin: China
Product Description
Ni70Cr30 wire used to reduce atmosphere

(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
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(ohm mm2/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
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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