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TRFs for 7075-T73

TRFs for 7075-T73

TRFs for 7075-T73

(OP)
I am having no luck finding temperature reduction factors for 7075-T73. MMPDS has them for T6 only.

Another question is if I have 7075-T73 and it will see a maximum exposure of 250F for a cumulative long time will it keep losing its strength, permanently? I see to get T73 temper, after solution heat treat, you first heat to 225F for 6-8hrs, than heat to 335 for 6-8hrs.


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