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Aerospace application. Changing materials = Re-testing/qualifying with FAA and huge investment in Tylenol

Sorry Jackpot, Cr-0.02 Chemistry was verified by second lab.

Thanks for the replies. The material is NI-FE based with the addition of Ti and Mo. See my previous thread for Chemistry. There is no domestic standard. I was told the material originated in Europe and marketed as a "Titanium spring material".

I am in need of a spring wire supplier for an EU alloy. (Specifically Alloy 3920) Any recommendations? Thanks

Thanks all for the helpful hints and suggestions. CoryPad; The Matweb site is great.

Thanks CoryPad Are you aware of a material that has a similar chemistry?

Thanks for the reply. This is for a US based supplier to a US based aircraft company. I am leaning towards having a second analysis done at another lab to confirm the material composition as none of the spring material vendors I have contacted are familiar with the material.

Reverse engineering a coil spring for an aerospace application. Mat'l report came back with the following % by weight; Fe-49 Ni-44.83 Mo-3 Ti-2 Al-1 Cu-0.12 Mn-.10 C-0.02 Si-0.02 Any specific reason for the addition of Ti, Al? I haven't found a material vendor that can identify the material...