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Brief introduction: Cr20Ni80
Cr20Ni80 alloy is single-phase austenite structure
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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)


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.

If you need product information or price, please fill in your contact information in the form, we will usually contact you within 12 hours. You could also email me info@lyapm.com to get prompt reply.


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