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Steel Spring, Zinc Plated, Hydrogen Embrittlement




Presently making a spring(4340, R/C 43-45)that is Zinc-plated. The process calls for a bake subsequent to the plating process to reduce hydrogen embrittlement. Is this step necessary on a spring with a cross-section of .340" x .960"?

Frank Borcherding
Mfg. of Test Equip. - Largo, Florida, USA
2004



Yes spring steel requires baking as soon as possible after plating.

Ted Mooney, finishing.com
Ted Mooney, P.E.

Striving to live Aloha
(Ted can offer longterm or instant help)
finishing.com - Pine Beach, New Jersey
2004


The bake is only required if you do not want a high number of failures. So, is it really required? That is your decision.

James Watts
- Navarre, Florida
2004




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