Alloy of base material shall be A-1011 Carbon Steel (or A-36 Carbon Steel, 3000 Series Aluminum, or 300 Series Stainless Steel). Material shall be 1/4″ thick (specify from 14 gauge to 1-1/2″ thick). Material shall be finished by Hot Dip Galvanizing (bare steel, painted or galvanized for carbon steel products, mill finish for aluminum or stainless steel products).