CRN has various meanings in the Military category. Discover the full forms, definitions, and usage contexts of CRN in Military.
The difference in thickness between the edge and center of the strip. or Thickened center of a strip of steel; can also have a crown on the work roll; two-point crown on a roll means a crown of 0.002 inches. or The crown, or center, refers to the tendency of a sheet to be heavier in gauge in the center than on the edges. It may be caused by the use of hollow, or worn back-up rolls, work rolls improperly ground, or excessive work in the last finishing stand.
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