4J40 high temperature low expansion alloy

4J40 high temperature low expansion alloy features

Low linear thermal expansion coefficient in the range of -20 ~ + 300 ℃. Department of high temperature and low expansion alloy.

 

4J40 high temperature and low expansion alloy

In the vacuum industry, various klystrons, microwave cavities, etc. are manufactured.

 

chemical composition(%)

Alloy	C≤	S≤	P≤	Si≤	Mn≤	Ni	Co	Fe
4J40	0.05	0.02	0.02	0.15	0.25	32.4 33.4	7.0 8.0	Margin

 

The above data is for reference only. Please contact us for specific requirements