EDGES AVAILABLE
SQUARE EDGES
ROUNDED/BROKEN CORNERS
NATURAL ROUNDED EDGES
FULL ROUND EDGES
SMALLEST WIDTH .020″
LARGEST WIDTH .750″
EDGE CLASSIFICATIONS
No. 1 Edge
No. 2 Edge
No. 3 Edge
No. 4 Edge
No. 5 Edge
No. 6 Edge
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No. 1 Edge
A Smooth, uniform, round or square edge, either slit or filed or slit and edge rolled
as specified, width tolerance +- .005″.
No. 2 Edge
A natural round mill edge carried through from the hot rolled band. Has not been slit, filed, or edge rolled. Tolerances not closer than hot-rolled strip limits.
No. 3 Edge
Square, produced by slitting only.
Not Filed. Width tolerances close.
No. 4 Edge
A round edge produced by edge rolling either from a natural mill edge or from slit edge strip. Not as perfect as No. 1 Edge. Width tolerances liberal.
No. 5 Edge
An approximately square edge produced by slitting and filing or slitting and rolling
to remove burr.
No. 6 Edge
A square edge produced by square edge rolling, generally from square edge hot-rolled occasionally from slit strip. Width tolerances and finish not as exacting as No. 1 Edge.