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Nickel chrome alloy wire Ni70Cr30

Short Description:

Nickel chrome alloy wire Ni70Cr30

Cr30Ni70 Nichrome Alloy Eletrothermal Coil Strip,Sable Resistance For Heating Element,
 
NiCr70/30
 
Nickel chromium alloy with iron resistance electrothermal high resistivity, surface body sexual well. At high temperature and high intensity, 
and a good performance and processing may welding nature widely used metallurgical, electrical, mechanical components and electrical 
manufacturing industries for doing heat resistance material. 


  • Certificate: ISO 9001
  • Size: Customized
  • product name: Nickel-chromium alloy
  • use: Resistance materials
  • resistivity: 1.18
  • application : industry
  • color : bright
  • size : as client's requirement
  • Product Detail

    FAQ

    Product Tags

    Nickel chrome alloy wire Ni70Cr30

    Cr30Ni70 Nichrome Alloy Eletrothermal Coil Strip,Sable Resistance For Heating Element,

    NiCr70/30

    Nickel chromium alloy with iron resistance electrothermal high resistivity, surface body sexual well. At high temperature and high intensity,
    and a good performance and processing may welding nature widely used metallurgical, electrical, mechanical components and electrical
    manufacturing industries for doing heat resistance material.

    NiCr Type:Cr20Ni80,Cr15Ni60, Cr20Ni35, Cr20Ni30, Cr25Ni20 etc.Series electric flat belt, electric fire wire.

    3.Product size:

    Thickness : 0.02—-4.0mm
    Width:        2.5—-250mm
    Standard:GB1234-95
    Bright and Smooth surface

    Ni70Cr30
    Chemical Content, %

    C P S Mn Si Cr Ni Al Fe Other
    Max
    0.08 0.02 0.015 0.60 0.75~1.60 28.0~31.0 Bal. Max 0.50 Max 1.0 -

    Mechanical Properties

    Max Continuous Service Temperature:
    Resisivity ( 20ºC)/Ω·m::Density:
    Thermal Conductivity:
    Coefficient of Thermal Expansion:
    Melting Point:
    Elongation:
    Micrographic Structure:
    Magnetic Property:
    1250ºC
    1.18 +/-0.05 (Dia: <0.5mm)
    1.20+/-0.05  (Dia: ≥0.50 mm)
    8.1 g/cm3
    45.2 KJ/m·h·ºC
    17×10-6/ºC (20ºC~1000ºC)
    1380ºC
    Min 20%
    Austenite
    nonmagnetic

     

    Type Cr20Ni80 Cr15Ni60 Cr30Ni70 Cr20Ni35 Cr20Ni30
    Main chemical composition Ni Rest 55.0~61.0 Rest 34.0~37.0 30.0~34.0
    Cr 20.0~23.0 15.0~18.0 28.0~31.0 18.0~21.0 18.0~21.0
    Fe ≤1 Rest ≤1 Rest Rest
    Maximal Temperature(ºC) 1200 1150 1250 1100 1100
    Resistance Temperature correction coefficient.(CT) 1.09±0.05 1.11±0.05 1.18±0.05 1.04±0.05 1.06±0.05
    Melting point (ºC) 1400 1390 1380 1390 1390
    Resistivityρ20ºC(10-6Ω.m) 800ºC 1.008 1.078 1.028 1.188 1.173
    1000ºC 1.014 1.095 1.033 1.219 1.201
    1200ºC 1.025 1.043
    Fast life value Tem.(ºC) 1175 1100 1200 1050 1050
    hour(h) ≥110 ≥100 ≥110 ≥100 ≥100
    Specific gravity(g/cm3) 8.40 8.2 8.1 7.90 7.90
    Elongation(%) ≥25 ≥25 ≥20 ≥20 ≥20
    Thermal(kj/m.h.ºC) 60.3 45.2 45.2 43.8 43.8
    Specific heat(20ºC)j/g.ºC 0.440 0.494 0.461 0.500 0.500
    Extend strength(20~1000ºC)α*10-6ºC 18.0 17.0 17.1 19.0 19.0
    Tensile strength(kg/mm2) >85 >85 >85 >85 >85
    Repeatedly bending(F/R) >12 >12 >12 >12 >12
    Microstructure Austenitic Austenitic Austenitic Austenitic Austenitic





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