Thanks for the feedback, Corey but I must be missing something. I went to the link you provided. I don't see that the item pictured is even close to complying witht the 4"S"MAX requirement. In NASM1312-13, they show this dimension as being from the top of the BLADE to the bottom surface of the...
I'm looking at sheet 4 of NASM1312-13 [REV 2] and it indicates the height of the fixture from the bottom of the fork to the top of the BLADE is to be "4 "S" MAX".
This makes for very thin test equipment. Is it possible this should be "4*[dia]D", "4"T"", or "4 "W" MAX"? anyone have any experience...
CLOA is correct: the mat'l is 6aL4v. However, I am not clear about the response"... except if someone used steel embedded on the Titanium then there is a risk of hydrogen embrittlement."
Is the reference to steel being "embedded on the Titanium" as due to our in-house processing, i.e. "free...
We currently passivate our cres item in accordance with the ASTM A967 and use a Citric Acid Method. NORMALLY, we passivate Cres 300 series and 17-4ph. Our passivation operator mistakenly put some Titanium items in the Passivation process- which we don't normally do.
1. They were immersed...
Need to stamp a cres bracket. Currently, plan is to use Cres 301 and material thickness is ~.030". Bracket will circle approx 200 degrees and cradle a ~1"od x 1" thick slug. SLUG will have a groove machined partially about its diameter midway across its thickness. A dimpled feature of the...
I screwed up in my presentation of the situation.
It's not that the heat treat was done to 1150 instead of 1050.
It's that it was done in-house to H1050 for 1hr instead of RH1050 or TH1050.
Pardon my ignorance but perhaps I have misunderstood the process.
Normally we buy 17-4Ph RAW material that...
Situation: 17-7PH Condition A, (already formed) parts were supposed to be heat treated to TH1050. SHould have turned out ~R40C.
Were instead age hardened to H10150- ~R28.
No concrete hardness was dictated by the customer's spec.
We just did not want to use in Cond "A". (Re: thread 294988...
No strength, toughness, hardness specs were given by the end user.
Only the requirements that it be 17-7pH AND that it be cad plated.
I believe I'll go with the the TH 1050.
Thanks to all for your assistance.
CAD Plating is a requirement dictated by customers' spec/requirement.
Anyone have a suggestion of which heat treat? TH 1050 or RH950.
(Or other?)
None was specified by customers' requirement (unless there is a default embedded in AMS 5528 specification - which we currently do not have.)
Application: Have a 17-7ph stamped bracket supplied in condtion "A" in accordance with AMS5528. Its final finish will be CAD plated TYPE II, class 2 per AMS-QQ-P-416. Bracket requires identification stamping on the flat portion. Q.?: IS HEAT TREATMENT prudent other than the ANNEALED condition...
We have 17-4ph PARTS (originally made from soution annealed (AMS 5643) stock) that were supposed to recieve "HEAT TREAT TO H1075 (31-38 RC) FOR 4HRS-4:15MIN". In actuality, they accidentally received "HEAT TREAT TO H900 (40-47)" The result was "ACTUAL RC= 46.4". Can we just re-heat these parts...
Have: 17-4ph 1/4 dia. pins, Age hardened to HRC40 Min.
Parts subsequently CAD plated type II, CLass2 IAW AMS-QQ-P-416. Hydrogen embrittlement relief carried out for a minimum of only 4 hrs IAW 3.4.1 of NAS1332 ILO 8hrs as spec'd by ...P416. Parts were HRC40 min prior to Age harden.
As...
