CRN has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of CRN in Governmental & Military.
A machine used to move material by means of a hoist. or A machine that can usually move and is used to lift heavy materials or to lift members that are to be erected in a structure. Lifting device which can be fixed or mobile. A machine for lifting, lowering and moving a load with the hoisting mechanism a part of the machine. Cranes may be traveling, portable, or fixed type.
Governmental & MilitaryThe 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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