Metallurgy discussions

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Titanium and archaeology

I was recently discussing local bronze and iron age sites with a local archaeologist, in particular their survival in d...
3 comments posted 20yrs
posted by dingbat
3 comments posted 20yrs posted by dingbat

cartridge brass

Someone can help me? I try to find information and chart(temeratureVShardness) about cartridge brass (cuzn30 - c26000)....
0 comments posted 20yrs
posted by a
0 comments posted 20yrs posted by a

How can I tell brass wire from copper wire?

I'm connecting a large power inverter that will convert 12 volts DC to 115 volts AC. The inverter's specifications call...
9 comments posted 20yrs
posted by s.w.smithREMOVECAPS
9 comments posted 20yrs posted by s.w.smithREMOVECAPS

Lime scale on steel - coating ?

We have a problem with lime scale deposits on our sensor heads, is there a coating that we can put on 316 steel to preve...
1 comments posted 20yrs
posted by captor
1 comments posted 20yrs posted by captor

History of fine steel needle/wire manufacture

Could anyone on this list either tell me, or cite a published reference that might indicate when and where the technolo...
11 comments posted 20yrs
posted by aleonis
11 comments posted 20yrs posted by aleonis

Carburizing

Just a quick couple ofquestions... Are carburized materials electrically conductive? Are there any case hardening proces...
4 comments posted 20yrs
posted by newsgroup23
4 comments posted 20yrs posted by newsgroup23

Iron balls found in desert

I have posted a pic and description of an odd phenomenon and I wonder if anyone has suggestions as to how the described...
3 comments posted 20yrs
posted by sporkedUNDERLINEagain
3 comments posted 20yrs posted by sporkedUNDERLINEagain

UHV Thesis

I have some trouble to understand something about hydrogen dynamics , so I hope you can help me , if it is possible . S...
3 comments posted 20yrs
posted by enrico.cenni
3 comments posted 20yrs posted by enrico.cenni

Drill & tap compressor tank?

I've got an old 20 gal (?) compressor tank in which I want to install a drain. I'm guessing it to be 1/4-inch (6.3 mm?)...
15 comments posted 20yrs
posted by me
15 comments posted 20yrs posted by me

core making machine

hello: dear's Im looking for some information about core making machine in hot-box modele. Axctuly we made a machine li...
1 comments posted 20yrs
posted by alireza_shafizadeh
1 comments posted 20yrs posted by alireza_shafizadeh

Self-employment

After struggling with foreign exchange trading I have come to better understand the nuances, and the pitfall of exchang...
0 comments posted 20yrs
posted by arthurturner
0 comments posted 20yrs posted by arthurturner

back end defect - coring

Hello, I'm learning about the problem which called "back end defect" (or "coring" in some places). This problem reduce...
4 comments posted 20yrs
posted by aviyb
4 comments posted 20yrs posted by aviyb