Brass Ingots Specifications

Chemical Composition of Group A Copper Alloy Ingots and Billets - BS 1400 1973
Name
BS
PB - 04
Phosphors bronze
LPB1
Leaded Phosphors Bronze
LG2
85/5/5/5 Leaded Gun Metal
LG4
87/7/3/3 Leaded Gun Metal
Elements Min Max Min Max Min Max Min Max
Copper Rem - Rem - Rem - Rem -
Tin 9.7 - 6.5 8.5 4.0 6.0 6.0 8.0
Zinc - 0.5 - 2.0 4.5 6.0 1.7 3.2
Lead - 0.75 2.0 5.0 4.0 6.0 2.7 3.5
Phosphorous 0.5 - 0.4 - - 0.02 - 0.02
Nickel - 0.5 - 1.0 - 2.0 - 2.0
Iron - - - 0.2 - 0.2 - 0.2
Aluminium - - - - - - - -
Manganese - - - - - - - -
Antimony - - - 0.2 - 0.2 - 0.2
Arsenic - - - - - 0.2 - 0.15
Silicon - - - - - - - -
Bismuth - - - - - - - -
Magnesium - - - - - - - -
Sulphur Nicbium - - - - - - - -
Impurities - 0.50 - 0.50 - 0.80 - 0.70