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Should have stated margin for error, do not have the test report yet for additional data.

Yes, I understand however my question was regarding material performance and perhaps questioning allowance for variation in testing. Test by mfg. met requirements. Thanks

Going for the retest was just wondering about the significance, used in an orthopedic implant.

The coating is for appearance only, was thinking perhaps the temp. may have affected the material (only I don't know the temp at this point, but should know tomorrow), also don't know the condition of the SS. Finally, I failed to note that the device was passivated (citric)

The instrument is made of 420 SS and has an TiAlN coating applied. It has been in use for approximately three months and is cleaned by autoclave after each use. Take at the attached photo for the visual. Any assistance would be much appreciated. Regards

Yes that and the spark test, the part size is smaller than a penny.

News Update; Made the wrong assumption that Ti and SS were mixed because the same part is made of the two materials. Did the spark test and the parts are some grade of SS. Samples are being sent to be checked with an XRF analyzer.

Mixed lot, annealed Titanium to 316L process 1900 degrees for one hour, what is the effect on the material?? Is it scrap? Feedback would be much appreciated!

The company that I work for has a team that is in the process rewriting and/or creating specifications for various plastics used as components for medical instruments. Initially, requirements were taken from both resin and extruded material which proved to be problematic in being able to...