Cr20Ni80 (executive standard GB / t1234-2012)
Chemical composition of Cr20Ni80:
*37329 % *38124; *30967 *30827; *38221; *38109 *30899 *38192; *30789 38081; Cr20Ni80. (a) 20 td> td> 20313;
0.75 td> (c) 23 0.020 0.015 37327; 0.50 08 0.60 1.6 1.0 Physical properties of Cr20Ni80:
melting point
density 8.4 g/cm3 resistivity(20℃) 1.09 μΩ·m 1374-1420℃ thermal conductivity 15 W/(m·K)
Mechanical properties of Cr20Ni80 alloy in solution state at room temperature:
Alloy state tensile strengthσb (Mpa) Elongatio
nA5 %
Cr20Ni80 ≥650 ≥25 This alloy has the following properties:
80ni-20cr has high content of nickel and chromium and low content of iron. It has good oxidation resistance, thermal strength and low positive temperature coefficient below 1000 ℃. At room temperature, it has high plasticity, cold stamping and welding properties. The alloy is single-phase austenite after solution treatment, and its structure is stable in use.
Metallographic structure of Cr20Ni80:
Cr20Ni80 alloy is single-phase austenite structure
Cr20Ni80 is applied in the following fields:
1. As a heating element, it is mainly used for periodic heat treatment furnace with temperature below 1000 ℃, such as carburizing furnace, bell jar furnace, ammonia decomposition furnace, etc
2. Electric heating wire for high-grade electric heating pipe and high-grade household electric heater
3. Resistance tape for high quality resistance box
4. It can also be used as high-quality heat-resistant steel structure parts, such as high-temperature mesh belt, burning frame, etc
Products of our company:
Wire, wire, flat strip forming, furnace bar, strip, forging bar, hot rolling bar, cold and hot plate, tube, machining finished product.
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