Question

What is pickling of steel? ​

Answer 1

Answer:

pickling refers to the immersion Steel in an acid tank in order to remove the iron oxide order scale from Steel surface and thus, permit the galavanised coating to form upon immersion of the the Steel in a molten zinc bath American Galvanizers Association 2015

Explanation:

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Answer 2

$:\implies$ Steel pickling refers to a treatment that is used to remove impurities, rust, and scale from the surface of a material.