Expanded Metal Classification: Type, Class, Grade

Expanded metal shall be of the following types, classes, and grades as specified.

Expanded metal type:

• Type Ⅰ—Expanded
• Type Ⅱ—Expanded and flattened

EMCL-01: Type Ⅰ—Expanded

EMCL-02: Type Ⅱ—Expanded and flattened

Expanded metal class:

• Class 1—Uncoated.
• Class 2—Hot-dip zinc-coated (galvanized or galvannealed).
• Class 3—Corrosion-resisting steel.

Expanded metal grade—Pertains only to post-galvanized or galvannealed coating.

• Grade A—0.0025 in. (0.06 mm) minimum coating thickness.
• Grade B—0.0012 in. (0.03 mm) minimum coating thickness.

EMCL-03: Uncoated expanded metal.

EMCL-04: Stainless steel expanded metal.

EMCL-05: Galvanized expanded metal.

EMCL-06: Powder coated expanded metal.