Bronze       Tin Bronze Phosphorus Bronze Aluminium Bronze Leaded Bronze Manganese Bronze Silicon Bronze     Gunmetal     Brass     Master Alloys       Cupro Iron Cupro Manganese Cupro Nickel Phosphorus Copper   Leaded Bronze    Chemical Composition Physical Properties    Chemical Composition   LB-1   Standard: BS 1400   Copper Alloys CU SN PB ZN NI P SI Impurities LB-1 Rem. 8-10 13-17 1 2 0.1 0.02 0.3   LB-2   Standard: BS 1400   Copper Alloys CU SN PB ZN FE NI P AL SI SB Impurities LB-2 Rem. 9-11 8.5-11 1 0.15 2 0.1 0.01 0.02 0.5 0.5   LB-4   Standard: BS 1400   Copper Alloys CU SN PB ZN NI P SI SB Impurities LB-4 Rem. 4-6 8-10 2 2 0.1 0.02 0.5 0.5   AB-5   Standard: JIS   Copper Alloys CU SN PB ZN NI P SI SB Impurities LB-5 Rem. 4-6 18-23 1 2 0.1 0.01 0.5 0.3   LTB-3   Standard: IS 318-1981   Copper Alloys CU SN PB ZN FE NI AL SI SB Impurities LTB-3 Rem. 6-8 9-11 0.75 0.35 2 0.01 0.02 0.5 0.8   LTB-4   Standard: IS 318-1981   Copper Alloys CU SN PB ZN FE NI AL SI SB Impurities LTB-4 Rem. 6-8 14-16 0.75 0.35 2   0.02 0.5 0.8   LTB-5   Standard: IS 318-1981   Copper Alloys CU SN PB ZN FE NI AL SI SB Impurities LTB-5 Rem. 9-11 8.5-11 1 0.35 2 0.01 0.02 0.5 0.8   LTB-6   Standard: IS 318-1981   Copper Alloys CU SN PB ZN FE NI AL SI SB Impurities LTB-6 Rem. 4-6 18-23 1 0.35 2   0.01 0.5 0.8                          Physical Properties   Leaded Bronze           Grade B.S.  1400: 1985 Nominal  Composition 2% PS N/mm Min Tensile Strength N/mm Min Elongation  % Min Brinell Hardness Min LPB-1 76/9/0/15         LB2 80/10/0/10 80 180 8 60 LB3/LBC3 85/10/0/5 100 195 10 65 LB4 85/5/0/10 60 160 7 55 LB5 75/5/0/20 70 150 5 45 LBC3 79/10/1/10 80 180 8 60 LBC4 78/7/0/15 80 170 8 60

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