Hello,
I found a reference in a document to MIL-C-6082, which is an oil that is applied to the bearing groove or to the tool during swaging process. I tried to find infomation on MIL-C-6082, but it doesn't seem to exist. MIL-L-6082 and MIL-O-6082 are showing up in my search instead.
Can...
Can anybody explain to me where the guaranteed load soak should be used and where it should not be used? I know that the guaranteed load soak means that the part being annealed (or brazed or heat treated) has to get up to temperature even though the furnace is already at temperature. Also, if...
Hello All,
Does anybody know the US Spec or the chemistry of M29A? M29A can be either a German or a French identification (I think). It is actually identified as "material code M29A". As a matter of fact, I don't even know what M29A stands for...
Thanks,
Coka
Hello All,
I was going through our heat treating procedures for superalloys, and I found two different procedures for waspaloy:
Procedure 1. Increase to 1850F and hold 1 hour, cool to room temperature (???), increase to 1550F and hold 4 hours, cool to 1400F and hold 16 hours, cool to room...
Hello All,
Just recently, I was looking for some suppliers and I found a couple of web pages that may be useful to those that are in the same boat as me.
There is global spec, which is an engineering search engine:
http://www.globalspec.com/
And there is chem industry that is very good also...
Does anybody know where I can find the American Spec (AISI?) equivalence of the British Spec S99?
S99 chemistry: 0.36-0.44 C, 0.1-0.35 Si, 0.45-0.70 Mn, 0.025 P max, 0.020 S max, 0.50-0.80 Cr, 0.45-0.65 Mo, 2.30-2.80 Ni, Fe balance.
If there is no equivalent, does anybody know the embrittlement...
Which of the following, Aluminum 7075 T651 or Aluminum 2024 T351, has the best shear strength for a doubler patch repair? The patch will be secured with rivets. The part is made of aluminum (not sure which grade) and it will undergo minimum vibration at low temperature ranges once it is...
I read a book recently called "HOW TO WIN FRIENDS AND INFLUENCE PEOPLE" by Dale Carnegie. This bool was written in 1936 and it is very much applicable today. It talks about human relations and how to be able to deal with all kinds of people. It gives exemples of situations at all...
We have a welded INCO 718 part that was over aged by 12 hours. It was supposed to be in the furnace for 5 hrs at 1400F and for 3 hrs at 1200F, but instead of 3 hrs, it was left for 15 hrs. The hardness was found to be about 28HRC after ageing. Any comments on this? Thanks...
Need advice from an aluminum welding specialist.
We have a part that is 5.5" by 12" and 5/32" thick, and we have to build up a lug at three opposite locations that is about 1/2" in diameter. After performing at least a dozen tests, we still have high porosity in the...
We welded an A356.0 casting with weld wire 4043, and the hardness results after heat treatment were not very good. We did solution heat treatment for 4 and 6 hours, followed by precipitation heat treatment, and the hardness (Brinell) results were the following:
After 4 hours,
the parent...
