Metallurgy discussions

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reclaiming gold from pc

i am researching how to do this, anyone here with any info would be greatly appreciated. thanks troy snipped-for-privacy...
1 comments posted 22yrs
posted by tashbacher
1 comments posted 22yrs posted by tashbacher

does steel "weaken" at higher temperatures?

A friend of mine and I were having a discussion about whether fire weakens structural steel in buildings, and I must ad...
5 comments posted 22yrs
posted by nospam-rjf
5 comments posted 22yrs posted by nospam-rjf

What does SECC steel mean?

Greetings, I was hoping someone would be kind enough to explain to me what SECC steel means with regard to the material...
1 comments posted 22yrs
posted by toyospares
1 comments posted 22yrs posted by toyospares

Direct Chill Casting

Can someone please describe this process and contrast it to other casting processes. Thanks.
1 comments posted 22yrs
posted by LTBrick
1 comments posted 22yrs posted by LTBrick

Semiconductor Links Free Listing

Providing semiconductor related resources for the semiconductor industry. Free Listing Available! http://www.semiconduct...
0 comments posted 22yrs
posted by hynexseoul
0 comments posted 22yrs posted by hynexseoul

nitriding

Dear friends I have been reading about nitriding and it's applications for surface hardening of H13 steels. I found tha...
3 comments posted 22yrs
posted by mhhashemi
3 comments posted 22yrs posted by mhhashemi

Identifying old iron

Hi all: Modern steels and irons are made to close tolerances for impurities, etc. If an object that had rusted is found...
1 comments posted 22yrs
posted by kcarmstrong
1 comments posted 22yrs posted by kcarmstrong

Re: True definition of annealing copper

Copper doesnt not need to be quenched after heating to complete the anneal. Quenching is just a amtter of of convenienc...
6 comments posted 22yrs
posted by tuffy23
6 comments posted 22yrs posted by tuffy23

Glossary English > Dutch

Hello people, I am to translate a European Norm from English to Dutch. Subject is metal piping of all sizes, usages and...
12 comments posted 22yrs
posted by lr
12 comments posted 22yrs posted by lr

SiC additive to Aluminium / Aluminum

I am a foundry / sculpture student in Chicago who is about to cast some components in Aluminium at our school foundry....
1 comments posted 22yrs
posted by tsterk
1 comments posted 22yrs posted by tsterk

Discolored stainless table cutlery

Some of our 'stainless' table cutlery has become discolored: the steel itself has got a darkish coating similar to but...
2 comments posted 22yrs
posted by thomas.h.lindberg
2 comments posted 22yrs posted by thomas.h.lindberg

Must sell ultrasonic tester

I have a MAC (Magnetic Analysis Corporation) UT-101 (ultrasonic tester) that I have been instructed to sell. If there is...
0 comments posted 22yrs
posted by wmengel
0 comments posted 22yrs posted by wmengel

Fissures and cracks detection

Hello! I would like to know if someone knows something about fissures and crack detections in steel axes. I know there...
2 comments posted 22yrs
posted by iesparzaQUITAESTO
2 comments posted 22yrs posted by iesparzaQUITAESTO

Snowmobile shaft Update

http://home.thezone.net/~bpriddle/crack1.jpghttp://home.thezone.net/~bpriddle/crack2.jpg There were also line fractures...
5 comments posted 22yrs
posted by bradp_xx
5 comments posted 22yrs posted by bradp_xx