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Electrothermal alloy

Cr20Ni35

Quality stability: implement the whole process quality monitoring, meticulous and all-round inspection

Reasonable price: efficient internal cost control, reduce expenditure and benefit customers

Fast delivery: advanced production line, sufficient stock, shortened delivery time

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Cr20ni35 (executive standard GB / t1234-2012)

Chemical composition of cr20ni35:

*37329%*38124;*30967*30827;*38221;*38109*30899*38192;*3078938081;
Cr20Ni35.(a)18
td>34
td>
1.020313;
(c)210.0200.01537--081.03.037327;

Physical properties of cr20ni35:

density7.9 g/cm3resistivity（20℃）1.04 μΩ·m
melting point1368-1405℃ thermal conductivity13 W/（m·K）

Mechanical properties of cr20ni35 alloy in solution state at room temperature:

Alloy statetensile strengthσb (Mpa)ElongationA5 %
Cr20Ni35≥650≥25

This alloy has the following properties:

35ni-20cr has high content of nickel and chromium, high content of silicon, good oxidation resistance, thermal strength and high positive temperature coefficient below 800 ℃. 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 cr20ni35:

Cr20ni35 alloy is single-phase austenite structure

Cr20ni35 is applied in the following fields:

1. As a heating element, it is mainly used for periodic heat treatment furnace with temperature below 800 ℃, such as crawler heating device, tempering furnace, etc

2. Electric heating wire for electric heating pipe and household electric heater

3. Resistance tape for high quality resistance box

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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