We manufacture Copper Alloy Ingots (Brass Ingots), Copper Alloy Billets (Brass Billets) in confirmation to different International Standards. Below are the charts of chemical composition of some of the alloys including copper alloy ingots and billets which we manufacture. Chemical Composition of Group A Copper Alloy Ingots and Billets - BS 1400 1973 Name BSPB - 04 Phosphors bronzeLPB1 Leaded Phosphors BronzeLG2 85/5/5/5 Leaded Gun MetalLG4 87/7/3/3 Leaded Gun Metal ElementsMinMaxMinMaxMinMaxMinMax 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 Chemical Composition of Group B Copper Alloy Ingots and Billets NameAB1 Aluminium BronzeAB2 Aluminium BronzeHTB1 High Tensile BrassHTB3 High Tensile Beta Brass MinMaxMinMaxMinMaxMinMax Copper Rem - Rem - 55.0 - 55.0 - Tin - 0.1 - 0.1 - 1.0 - 0.20 Zinc - 0.50 - 0.50 Rem - Rem - Lead - 0.05 - 0.05 - 0.50 - 0.20 Phosphorous - - - - - - - - Nickel - 1.0 4.0 5.5 - 1.0 - 1.0 Iron 1.5 3.5 4.0 5.5 0.7 2.0 1.5 3.25 Aluminium 8.5 10.5 8.8 10.0 0.5 2.5 3.0 6.0 Manganese - 1.0 - 1.5 - 3.0 - 4.0 Antimony - - - - - - - - Arsenic - - - - - - - - Silicon - 0.25 - 0.10 - 0.10 - 0.10 Bismuth - - - - - - - - Magnesium - 0.05 - 0.05 - - - - Total Impurities - 0.30 - 0.20 - 0.20 - 0.20 Chemical Composition of Group B Copper Alloy Ingots and Billets NamePB1 Phosphors BronzePB2 Phosphors BronzeCT1 Copper TinLG1 83/3/9/5 Leaded Gun Metal MinMaxMinMaxMinMaxMinMax Copper Rem - Rem - Rem - Rem - Tin 10.2 - 11.2 13.0 9.2 11.0 2.0 3.5 Zinc - 0.05 - 0.30 - 0.05 7.5 9.5 Lead - 0.25 - 0.50 - 0.25 4.0 6.0 Phosphorous 0.60 - 0.25 - - 0.15 - - Nickel - 0.10 - 0.50 - 0.25 - 2.0 Iron - 0.10 - 0.15 - - - - Aluminium - 0.01 - 0.01 - - - 0.01 Manganese - - - - - - - - Antimony - - - - - - - - Arsenic - - - - - - - - Silicon - 0.02 - 0.02 - - - 0.02 Bismuth - - - - - - - 0.10 Magnesium - - - - - - - - Total Impurities - 0.60 - 0.20 - 0.80 - 1.0 NameJIS C 3601 (H 3250)JIS C 3604 (H 3250)JIS C 3771 (H 3250) MinMaxMinMaxMinMax Copper 59.00 63.00 57.00 61.00 57.00 61.00 Tin - 0.20 - 0.20 - 0.30 Lead 1.80 3.50 1.80 3.50 0.50 2.50 Iron - 0.30 - 0.35 - 0.35 Aluminium - - - - - - Manganese - - - - - - Nickel - - - - - - Arsenic - - - - - - Zinc Balance Balance Balance Total Impurities - 0.50 - 0.50 - 0.50