Cr20Ni80 is a resistance electrothermal alloy, this kind of alloy has stable structure, stable electrical and physical properties, good high temperature mechanical properties, good cold deformation plasticity, good weldability, long-term use will not produce brittle fracture. It is mostly used in the manufacture of household appliances and heating elements with operating temperatures below 1000 ° C, and has a long service life. High temperature performance: NichCR 2080 performs well in high temperature environments with high thermal stability and oxidation resistance. It can withstand extreme conditions such as oxidation, thermal cycling and thermal shock at high temperatures, and can withstand high temperatures of 1200 degrees. Mechanical properties: nickel-chromium alloy 2080 has good mechanical properties, including high strength, high hardness, good ductility and toughness, etc. Chemical component C ≤0.08% Mn ≤0.6% P ≤0.02% S ≤0.015% Si:0.75-1.60% Cr…