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Ni70cr30 Flat Wire Nickel Chrome Alloy For Heating Elements

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Ni70cr30 Flat Wire Nickel Chrome Alloy For Heating Elements
The Nichrome 7030 flat wire, with a composition of 70% nickel and 30% chromium, is a specialized alloy product. Its flat profile offers a larger surface area, enhancing heat dissipation efficiency while maintaining excellent high - temperature resistance. Boasting high electrical resistivity, it’s perfectly suited for heating elements in industrial equipment, ovens, and other high - temperature applications. Thanks to its robust oxidation resistance and mechanical strength, this flat wire ensures consistent performance and a long service life, making it a reliable choice for demanding heating and resistance - based projects.


  • Product name: Ni70cr30 Flat Wire
  • Shape: Flat wire
  • Composition: 70%Ni 30% Cr
  • Certificate: ISO 9001, ISO 14000
  • Sample: Support
  • Customization: Support
  • Product Detail

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    Product Description

     Ni70cr30 Flat Wire Nickel Chrome Alloy For Heating Elements 

    Description

    Model NO. Ni70cr30 Specification Ribbon
    Trademark HUONA Origin China
    Transport Package in Roll, Wooden Case Outside HS Code 7505220000
    Chemical Composition and Propertes:
    Propertes/Grade NiCr 80/20 NiCr 70/30 NiCr 60/15 NiCr 35/20 NiCr 30/20
    Main Chemical
    Composition
    (%)
    Ni Bal. Bal. 55.0-61.0 34.0-37.0 30.0-34.0
    Cr 20.0-23.0 28.0-31.0 15.0-18.0 18.0-21.0 18.0-21.0
    Fe ≤ 1.0 ≤ 1.0 Bal. Bal. Bal.
    Max Working
    Temperature
    (ºC)
    1200 1250 1150 1100 1100
    Resistivity
    at 20ºC
    (μ Ω · m)
    1.09 1.18 1.12 1.04 1.04
    Density(g/cm3) 8.4 8.1 8.2 7.9 7.9
    Thermal
    Conductivity
    (KJ/m· h· ºC)
    60.3 45.2 45.2 43.8 43.8
    Coefficient of
    Thermal Expansion
    (α × 10-6/ºC)
    18 17 17 19 19
    Melting Point(ºC) 1400 1380 1390 1390 1390
    Elongation(%) > 20 > 20 > 20 > 20 > 20
    Micrographic
    Structure
    austenite austenite austenite austenite austenite
    Magnetic
    Property
    nonmagnetic nonmagnetic nonmagnetic nonmagnetic nonmagnetic

    Details

    Advantage The metallurgical structure of nichrome
    confers them a very good plasticity when cold.
    Characteristics Stable performance; Anti-oxidation; Corrosion resistance; High temperature stability; Excellent coil-forming ability; Uniform and beautiful surface condition without spots.
    Usage Resistance heating elements;Material in metallurgy;Household appliances;Mechanical manufacturing and other industries.

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