Bought me a new TIG

[markx]

The technology has really advanced and the cost has come down considerably as far as inverter type contraptions are regarded. The full namebrand machines...

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So I finally opted to get myself a compact tig welder and chose Sherman brand inverter. Found a lot of good words on this particular model and to be honest,...

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Hehe....for almost less than a buck per piece you can say that again! ...

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I managed to find a set of very interesting old CBN inset from a local auction. They were known under generic name of "Elbor" during soviet...

[markx]

1) Colour is in general not a dependable criterion as different rusting solutions tend to produce differently colored deposits. I'm referring to the rusting...

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Iron compound chemistry is rather versatile and quite complicated.....apart from the numerous oxides and hydroxides there also are oxide-hydroxide compounds...

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If you mean the classical hot bluing procedure with oversaturated lye and nitrate mix that liquefies at temperatures over the boiling point of water,...

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Life is full of little disappointments..... But for real, there are some alloys that tend to put up a really tough fight against bluing actions. I've...

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The end result is the same- forcing exposed ferrous surfaces to develop a dark appearance due to dense oxide coatings being formed, but the composition...

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There is a final depth of layer that is achieved when all of the steel surface becomes shielded from the solution by the formed oxide coat. Further reaction...

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You are correct.....potassium nitrate does not work for blackening of steel when used in this process. Nor does any other nitrate salt that I know of....