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pesboro
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Join Date: Jun 2007
Posts: 3

metal spring at high temperature

07/13/2007 3:02 AM

Looking for a metal spring ( or the metal to make the spring of), to operate at 250-280 deg C, and retain properties.

thanks

Pes
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Anonymous Poster
#1

Re: metal spring at high temperature

07/13/2007 11:09 PM

The best steel for this kind spring are SAE 6150 or 9254/52 , Cr-V or Cr Si. I hope to help you. Don't hesitate to contact me, Best regard, ccvallino@hotmail.com.
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MUKULMAHANT
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Engineering Fields - Systems Engineering - New Member Hobbies - Model Rocketry - New Member

Join Date: Dec 2006
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#2

Re: metal spring at high temperature

07/14/2007 3:21 AM

Almost all Spring made from Spring STEEL ARE QUENCHED from ABOVE 900•C and tempered at above 500•C.

At 280•C the Springs will continue behaving like the original ReadySprings-with only just a little (6%) reduction of the Spring's yield strength.That strength will be restored when spring comes back to room temp.

If you want to operate the Spring only at high Temp.- same considerations of property/cost as at room temp.
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Anonymous Poster
#3

Re: metal spring at high temperature

07/14/2007 7:33 AM

Do a Google search on "high temperature springs". Various materials are used. I happen to like the inconel alloys, but final choice will depend on detailed requirements such as creep, yield strength, fatigue, cost, etc.
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Nigh
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#4

Re: metal spring at high temperature

07/16/2007 5:12 AM

I would agree with the suggestion to use Inconel, it keeps it's spring properties after repeated temperature cycling.

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