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Brass Billets
We Supply Copper Alloy Ingots (Brass Ingots), Copper Alloy Billets (Brass Billets/Rods) in confirmation to different International Standards.
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 0.5 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
Name BS AB1 Aluminium Bronze AB2 Aluminium Bronze HTB1 High Tensile Brass HTB3 High Tensile Beta Brass
Elements Min Max Min Max Min Max Min Max
Copper Rem - Rem - 55.0 - 55.0 -
Tin - 0.1 - 0.1 - 0.1 - 0.20
Zinc - 0.50 - 0.50 Rem - Rem -
Lead - 0.05 - 0.05 - 0.05 - 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
Name BS PB1 Phosphors Bronze PB2 Phosphors Bronze CT1 Copper Tin LG1 83/3/9/5 Leaded Gun Metal
Elements Min Max Min Max Min Max Min Max
Copper Rem - Rem - Rem - Rem -
Tin 10.2 - 11.2 13.0 9.2 11.0 2.0 3.5
Zinc - 0.05 - 0.03 - 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 - 0.1
 
Name JIS C 3601 (H 3250) JIS C 3604 (H 3250) JIS C 3771 (H 3250)
Elements Min Max Min Max Min Max
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 0.05 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