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Is there a Heat Treat certification that is required at PPAP?

V

vardar3

#1
Beside the CQI-9 Heat Treat Assessment, is there a Heat Treat certification that is required at PPAP from a supplier of heat treated material. Much like a material certification that proves out the specification i.e.) Material: 1074 annealed spring steel Rc 45-50
 
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J

JLang

#2
Re: Heat Treat certification

If I am understanding your question correctly, I believe the answer would be yes. We require a heat treat certification on all of our PPAP'ed components that go through that process. More or less it is just something on the heat treater's letter head stating what specification the parts were treated to and listing 5-10 test results.

Atleast that is how we have always handled heat treated parts in PPAP.
 
V

vardar3

#3
Re: Heat Treat certification

Yes that's how I'd like to handle heat treated parts. I wanted to ask though, is the heat treat certification a requirement and from where is it stated?
 
J

JLang

#4
Re: Heat Treat certification

I don't know that I'd be able to point you to a specific area where it is listed as a requirement (I'm fairly new to quality and still trying to differentiate what things are requirements and what things are above and beyond), but I would assume this would fall under "Records of Material/Performance Test Results" much like a material cert or plating cert would.

Our general rule of thumb is we try to get a cert for every process done to a part (i.e. plating, annealing, annodizing, patching, etc.).
 

Jim Wynne

Staff member
Admin
#5
Re: Heat Treat certification

I don't know that I'd be able to point you to a specific area where it is listed as a requirement (I'm fairly new to quality and still trying to differentiate what things are requirements and what things are above and beyond), but I would assume this would fall under "Records of Material/Performance Test Results" much like a material cert or plating cert would.

Our general rule of thumb is we try to get a cert for every process done to a part (i.e. plating, annealing, annodizing, patching, etc.).
Yes--heat treating is in the material/performance test results category, and I agree that the heat treater's standard certification document, so long as it includes test results, is usually accepted in PPAP submissions.

Material and performance test results as submitted in PPAPs hardly ever meet all of the requirements for them that are listed in the PPAP manual (4th edition, pages 6-7) and what to provide usually depends on customer preference.
 
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