Metallurgy discussions

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What's etchant for 13-8ph recast layer?

Hi, Is anyone know it ?We use wire edm to machine part.What's etchant for 13-8ph recast layer? Thanks! Tony
1 comments posted 17yrs
posted by tonychen001
1 comments posted 17yrs posted by tonychen001

Cleaning rusted steel

Hi all. I have an antique cannon that had been left out in the elements for some time. The interior of the barrel has r...
1 comments posted 17yrs
posted by eddittus
1 comments posted 17yrs posted by eddittus

best way to weld together 2 lead sheets?

What's the best way to weld together two 1/4" lead sheets? I was going to try and use a blowtorch, but I'm worried abou...
7 comments posted 17yrs
posted by jasop5509
7 comments posted 17yrs posted by jasop5509

Etchant for 17-7 PH SS TH condition

I am seeking etchants for 17-7 PH SS TH condition except vilella's reagent. Does fry's reagent or kalling reagent work f...
0 comments posted 17yrs
posted by hike81
0 comments posted 17yrs posted by hike81

Colt 1911/1911A1 in Damascus steel.

It is possible to fabricate a receiver and all the external parts of a Colt 1911/1911A1 in Damascus steel. Pattern weld...
0 comments posted 17yrs
posted by isprins
0 comments posted 17yrs posted by isprins

Chemical composition of steel alloys.

Hi there, I'm interested in the make-up of steel alloys, but find the representations of different grades of steel conf...
5 comments posted 17yrs
posted by chiphu.mach
5 comments posted 17yrs posted by chiphu.mach

Cadmium Chloride - Alloy of choice?

Working with a cadmium chloride solution at around 170 DegF and looking for an appropriate pump material. Can't find th...
1 comments posted 17yrs
posted by questions
1 comments posted 17yrs posted by questions

metal that will not fatigue after repeated bending?

Is there a particular type of metal that one could make a thin wire of, and subject to repeated bending without it break...
6 comments posted 17yrs
posted by leon.park
6 comments posted 17yrs posted by leon.park

Re-passivating Stainless Steel in Marine Environment

Hello All, I am having a problem with surface rusting of some stainless parts on our boat. I have been researching pass...
0 comments posted 17yrs
posted by kevinabennett
0 comments posted 17yrs posted by kevinabennett

Stretched out coiled steel springs

What is your theory on why my spring stretching didn't work? :) Some springs I bought from McMaster-Carr were crap (Jon...
12 comments posted 17yrs
posted by alvinj
12 comments posted 17yrs posted by alvinj

Rivet compression

How would one calculate the diameter and thickness of the shop head of a rivet? I want to put together a 3D CAD model o...
1 comments posted 17yrs
posted by martin.usenet
1 comments posted 17yrs posted by martin.usenet

Ammonium Thiosulphate Gold Leach

Does anyone have any comments on using ATS for gold leaching> Can you make ATS? Thanks, /s/ Tom Milam, Jr.
0 comments posted 17yrs
posted by milam
0 comments posted 17yrs posted by milam

metallurgical books

I've many books about materials science and engineering,I ready to send it for all.bye
3 comments posted 17yrs
posted by mhhemmaty
3 comments posted 17yrs posted by mhhemmaty