One of the items found on the identification tag that is attached to each coil when it is received from the steel mill. The coil number is a unique number that identifies each coil from each batch of steel.
The Fabricator Blog
Still Building America—The proof is in the weld - by Josh Welton The measure of your success as a welder lies in the quality of your weld. For female welder Sam Riggin, the quality of her welds also has earned her respect in a male-dominated profession.
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