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Cr20Ni80

质量稳定:实行全过程质量监控,细致入微,全方位检测

价格合理:高效内部成本控制,减少开支,让利客户

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Cr20Ni80 (executive standard GB / t1234-2012)

Chemical composition of Cr20Ni80:

*37329%*38124;*30967*30827;*38221;*38109*30899*38192;*3078938081;
Cr20Ni80.(a)20td>td>20313;


0.75td>
(c)230.0200.01537327;0.50080.601.61.0

Physical properties of Cr20Ni80:

melting point
density8.4 g/cm3resistivity(20℃)1.09 μΩ·m
1374-1420℃ thermal conductivity15 W/(m·K)

Mechanical properties of Cr20Ni80 alloy in solution state at room temperature:

Alloy statetensile 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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