| Type of Expanded |
Sheet Size Tolerance |
| Standard |
SWD
LWD |
+3/16 inches/- 0 inches per foot of width.
+ 1 inch/-0 inches overall for plain steel
+ 1/4 inch/-0 inches overall for aluminum or stainless |
| Flattened |
SWD
LWD |
+3/16 inches/- 0 inches per foot of width.
+ 1 inch/-0 inches overall for plain steel
+ 1 inch/-0 inches overall for aluminum or stainless |
| Grating/Catwalk |
SWD
LWD |
+3/16 inches/- 0 inches per foot of width.
+ 3/4 inch/-0 inches (8-foot sheet) for plain steel
+ 1 inch/-0 inches (10-foot and 12-foot sheet) for plain steel
+ 1/4 inch/-0 inches overall for aluminum or stainless |