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Cr20Ni80

Cr20Ni80 is a resistance electric heating alloy, such alloy tissue stability, electrical physical characteristics of stability, 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 working temperature below 1000 ℃, with long service life. Due to the high nickel content, the price is higher.

Classification:

Nickel-chromium alloy

Keyword: Cr20Ni80

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1. chemical composition

Chemistry Ingredients	Ingredients	C	Mn	P	S	Si
	Content%	≦0.08	≦ 0.6	≦ 0.02	≦ 0.015	0.75-1. 60
	Ingredients	Cr	Ni	Fe	AI
	Content%	20. 0-23. 0	Allowance	≦ 1.0	≦ 0.5

2. physical properties

Maximum use temperature of components ℃	1200
Melting point ℃	1400
密度g/cm³	8.40
Resistivity μΩ · m,20 ℃	1.09±0.05
Elongation%	≥ 20
Specific heat J/g.℃	0.440
Thermal conductivity KJ/m.h ℃	60.3
Coefficient of linear expansion a × 10-6/ ℃ (20~1000 ℃)	18.0
microstructure	Austenitic
Magnetic	non-magnetic

3. varieties and specifications

Variety		Specifications
Wire	round wire	F0.15 ~ 13.00mm
Strip	cold rolling	0.15 to 4 × 200mm
Strip	hot rolling	4 to 22 × 200mm
Non-standard can support customization

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Cr20Ni80