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Invar 36
3

Invar 36

Invar 36

(OP)
Hi fellas

Is post weld stress relief necessary for Invar 36 alloy?

RE: Invar 36

I second metengr .

RE: Invar 36

Not unless you are going for the absolutely lowest thermal expansion possible.
Most Invar pipe is used in the as welded condition.

= = = = = = = = = = = = = = = = = = = =
Plymouth Tube

RE: Invar 36

Themeteng

There is an excellent book by my good friend James Kelly,I would recommend you buy a copy

Heat Resistant Alloys by James Kelly : ISBN 978-0-9801065-2-7.

Happy reading.

RE: Invar 36

Although the presence of stresses causes very slight changes in dimensional stability with respect to time and temperature, a stress relief thermal treatments are at times necessary to promote structure uniformity and dimensional stability.

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