MechEng1977
Automotive
I was wondering if you have to perform a post thermal bake for 3 hours following a Phosphate Grade I ASTM F1137 finish to prevent Hydrogen Embrittlement?
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Hydrogen Embrittlement for Phosphate Parts 1
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Phosphate is self relieving from hydrogen embrittlement as long as 24 hours have elapsed between time of phosphating and putting the parts into service. However, if the parts were acid pickled prior to phosphating, then it would be prudent to bake them.
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