Metallurgy discussions

Surface Cast for Roughness Measurement

Hi, I need to be able to take a surface cast of a piece of machinery, in a location where I won't be able to take any r...

3 comments posted 22yrs

posted by apm40

3 comments posted 22yrs posted by apm40

Thanks, please read more details, if You wish

The fact is that we can sometimes produce the copper rod with good quality. But the casting speed is very law(about 10-...

0 comments posted 22yrs

posted by screenart

0 comments posted 22yrs posted by screenart

Gas Jet Sizing

Hi, Could someone tell me how are gas burner (as on stoves) jets sized? They usually have a number such as 28 or 35 sta...

0 comments posted 22yrs

posted by hotham

0 comments posted 22yrs posted by hotham

Welding AISI 430

Hello, We have a pot of AISI430 which contains nitric melted salt at temperature of about 260 °C. the shape of the sect...

1 comments posted 22yrs

posted by steffy_7691

1 comments posted 22yrs posted by steffy_7691

How Many Times Can a Component Be Repaired by Hardsurfacing?

Hi! We sucessively repaired hot leveller rollers several times along the years using hardsurfacing processes. However,...

2 comments posted 22yrs

posted by agorni

2 comments posted 22yrs posted by agorni

Tombasil

Does anyone know where I can buy Tombasil alloy in Europe? thanks

7 comments posted 22yrs

posted by barney_iln

7 comments posted 22yrs posted by barney_iln

Threaded cast Al seized into threaded cast Al

Hi Everyone, After flipping through my old engineering textbooks, I thought I'd ask you guys for a quick and dirty prac...

4 comments posted 22yrs

posted by DoNotSpam

4 comments posted 22yrs posted by DoNotSpam

Designing alloys using the actual shapes of the atoms

The periodicity of the atomic elements reveals them to be crystalline associations of identical regular octahedra. The...

6 comments posted 22yrs

posted by whitby

6 comments posted 22yrs posted by whitby

Problems in removing Nitric from Aqua Regia

Before Pt can be precipitated from an Aqua Regia solution -- (using Ammonium Chloride) -- the Nitric acid must first be...

2 comments posted 22yrs

posted by xxxMrETS

2 comments posted 22yrs posted by xxxMrETS

Searching for Technical Information about a 5-Hi Skinpass Mill

Hi! I am a rolling engineer at COSIPA, an integrated steelworks near São Paulo, Brazil. I am searching for technical in...

0 comments posted 22yrs

posted by agorni

0 comments posted 22yrs posted by agorni

prices and forecast

Hi, do you Know where I could have some information (on line) about prices and trend of metals (steel), forecast etc...?...

1 comments posted 22yrs

posted by nicoleplus

1 comments posted 22yrs posted by nicoleplus

Re: Learn Electrics On-line Free

your dad was a fool! > When I was a boy, I wanted to be an electrician but dad said "No son. > get a trade first". > >...

0 comments posted 22yrs

posted by bobbg

0 comments posted 22yrs posted by bobbg

Re: Physical Properties of stainless steels.

Hi, If you are UK based, we may be able to help. Just forward the query to National Metals Technology Centre Q Block Sw...

0 comments posted 22yrs

posted by NEIL.LOWRIE

0 comments posted 22yrs posted by NEIL.LOWRIE

Re: Phisical Properties of stainless steels.

> > I'm looking for tables of "thermal" properties -thermal elongation, specific > energy etc.- of the stainless steel A...

1 comments posted 22yrs

posted by michael.dahms

1 comments posted 22yrs posted by michael.dahms

cast iron

Hi all. I have a problem. I must make an experiment with cast iron to estimate it's metallurgical quality. In some book...

1 comments posted 22yrs

posted by vbjaffa

1 comments posted 22yrs posted by vbjaffa