Ni80Cr20是一种镍铬合金(NiCr合金),它能产生致密的、结合良好的涂层,具有良好的可加工性、导电性和耐高温氧化性,最高可达1800华氏度(980摄氏度),与铁铬铝合金相比,它具有优越的使用寿命,在使用过程中会产生放热。
Ni80Cr20的典型应用是家用电器、工业炉和电阻器(线绕电阻器、金属膜电阻器)、熨斗、熨烫机、热水器、塑料模具、烙铁、金属护套管状元件和筒式元件中的电加热元件。
C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
Max |
0.03 | 0.02 | 0.015 | 0.60 | 0.75~1.60 | 20.0~23.0 | Bal. | Max 0.50 | Max 1.0 | - |
Typical Mechanical properties(1.0mm) Yield strength | Tensile Strength | Elongation |
Mpa | Mpa | % |
420 | 810 | 30 |
Typical Physical properties Density (g/cm3) | 8.4 |
Electrical resistivity at 20ºC(mm2/m) | 1.09 |
Conductivity coefficient at 20ºC (WmK) | 15 |
Coefficient of thermal expansion |
Temperature | Coefficient of Thermal Expansion x10-6/ºC |
20 ºC- 1000ºC | 18 |
Specific heat capacity |
Temperature | 20ºC |
J/gK | 0.46 |
Melting point (ºC) | 1400 |
Max continuous operating temperature in air (ºC) | 1200 |
Magnetic properties | non-magnetic |
Temperature Factors Of Electrical Resistivity |
20ºC | 100ºC | 200ºC | 300ºC | 400ºC | 600ºC |
1 | 1.006 | 1.012 | 1.018 | 1.025 | 1.018 |
700ºC | 800ºC | 900ºC | 1000ºC | 1100ºC | 1300ºC |
1.01 | 1.008 | 1.01 | 1.014 | 1.021 | - |
Style of supplyAlloys Name | Type | Dimension |
Ni80Cr20W | Wire | D=0.03mm~8mm |
Ni80Cr20R | Ribbon | W=0.4~40 | T=0.03~2.9mm |
Ni80Cr20S | Strip | W=8~250mm | T=0.1~3.0 |
Ni80Cr20F | Foil | W=6~120mm | T=0.003~0.1 |
Ni80Cr20B | Bar | Dia=8~100mm | L=50~1000 |