Atlas metal sales at; http://atlasmetal.iarbiz.com/62BpzQRRaLk=
Looks like they sell the bar stock.
====
Silicon Bronze Flat Bar
Size Weight Per Ft. Weight Per Length
1/8" x 1" .48 5.7 lbs.
3/16" x 1" .72 8.6 lbs.
3/16" x 1-1/2" 1.07 12.8 lbs.
1/4" x 1" .98 11.5 lbs.
1/4" x 2" 1.94 23.3 lbs.
1/2" x 1" 1.94 23.3 lbs.
1/2" x 2" 3.88 46.5 lbs.
Standard Lengths - 12 Ft.
6 Ft. Increments Required
Will cut to length
-----
Greg