You can burn it with the torch but that will give it a powdery substance, it wont stay black of you touch it, but put sealer over it, you can also use powder coating, and heat it in the proper oven.
you burn it for a long time
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You can black it by heating it and plunging it into oil, but better-quality work uses a chemical treatment which has the advantage of not risking affecting the steel's properties or distorting the component. You do not "burn it for a long time"!
In galvanized steel, a thin coating of zinc is used to protect it from rust or corrosion.
cause the molecules in the metal are squeezed tight together
Yes. stainless steel screws are safe with any metal.
A Black Smith is an example of a metal worker.
Commonly, they use zinc, copper, chrome or nickel for that.
Galvanized Sheet Metal
The current types of metal that may be galvanized include steel and iron. They are usually galvanized with zinc. This protects against corrosion and adds robustness to the metal.
without touching it? no what you will have to do is sand or scrape the pipe then you will be able to tell the difference. if its a dull metal then its black iron but if it shines then it would be galvanized.
no
silver
galvanized metal is a silvery gray colour which also has a pattern on it.
Spangle
By the color
Yes
The base metal is iron - the active metal is zinc (galvanized)
In galvanized steel, a thin coating of zinc is used to protect it from rust or corrosion.
They are nice :)