I don't have the one for carbon steel handy, but this is from A480 for Stainless, sheet, strip, and plate.
3. Terminology
3.1
Definitions:
3.1.1 Plate, sheet, strip, and cold work as used in this
specification apply to the following:
3.1.2
plate—material 3⁄16 in. [5.00 mm] and over in thick-
ness and over 10 in. [250 mm] in width. Finishes for
plate are actually shown in Section 13.
3.1.3
sheet—material under 3⁄16 in. [5.00 mm] in thickness
and 24 in. [600 mm] and over in width. Finishes for
sheet are actually shown in Section 11.
3.1.4
strip—cold-rolled material under 3⁄16 in. [5.00 mm] in
thickness and under 24 in. [600 mm] in width. Finishes are
detailed in Section 12 for strip , and strip edges in Section 14
for Cold-Rolled Strip.
= = = = = = = = = = = = = = = = = = = =
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