2011NF A51-305:2011 Copper and copper alloys - Profiles and bars for general purposes.
1998NF A51-305:1998 Copper and copper alloys - Profiles and rectangular bar for general purposes.
1977NF A51-406:1977 COPPER AND COPPER ALLOY SEMI-FINISHED PRODUCTS. EXTRUDED L-SHAPED LEAD BRASS PROFILES OF SIMPLE SECTION. DIMENSIONS AND TOLERANCES.