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
 
Gunmetal
 
 Chemical Composition Physical Properties
 
 Chemical Composition
 
LTB-1
 
Standard: IS: 318-1981
 
Copper Alloys CU SN PB ZN FE NI AL SI SB Impurities
LTB-1 Rem. 6-8 2.5-3.5 1.5-3 0.3 2 0.01 0.01 0.3 0.7
 
LTB-2
 
Standard: IS: 318-1981
 
Copper Alloys CU SN PB ZN FE NI AL SI SB Impurities
LTB-2 Rem. 4-6 4-6 4-6 0.35 2 0.01 0.02 0.4 0.8
 
LG-1
 
Standard: BS 1400
 
Copper Alloys CU SN PB ZN FE NI P AL SI SB S BI Impurities
LG-1 Rem. 2-3.5 4-6 7-9.5 0.5 2 0.03 0.01 0.02 0.25 0.08 0.1 1
 
LG-2
 
Standard: BS 1400
 
Copper Alloys CU SN PB ZN FE NI AL SI SB BI Impurities
LG-2 Rem. 4-6 4-6 4-6 0.5 2 0.01 0.02   0.05 0.8
 
LG-4
 
Standard: BS 1400
 
Copper Alloys CU SN PB ZN FE NI AL SI SB BI Impurities
LG-4 Rem. 6-8.05 2.5-3.5 1.5-3 0.2 2 0.01 0.01 0.25 0.05 0.7
 
RG-5
 
Standard: DIN
 
Copper Alloys CU SN PB ZN FE NI P AL MN SI SB S
RG-5 84-86 4-6 4-6 4-6 0.2 2 0.03 0.01 0.1 0.01 0.25 0.06
 
RG-7
 
Standard: DIN
 
Copper Alloys CU SN PB ZN FE NI P AL MN SI SB S
RG-7 83-85 6.8-8 5.3-7 3.3-5 0.2 1-1.5 0.03 0.01 0.1 0.01 0.25 0.03
 
BC-1
 
Standard: JIS
 
Copper Alloys CU SN PB ZN FE NI P AL SI SB
BC-1 79-83 2 - 4 3-7 8-12 0.35 1 0.05 0.01 0.01 0.2
 
BC-2
 
Standard: JIS
 
Copper Alloys CU SN PB ZN FE NI P AL SI SB
BC-2 86-90 7 - 9 0-1  3-5 0.2 1 0.05 0.01 0.01 0.2
 
BC-6
 
Standard: JIS
 
Copper Alloys CU SN PB ZN FE NI P AL SI SB
BC-6 83 - 87 4 - 6 4-6 4-6 0.3 1 0.05 0.01 0.01 0.2
 
BC-7
 
Standard: JIS
 
Copper Alloys CU SN PB ZN FE NI P AL SI SB
BC-7 86-90 5 - 7 1-3 3-5 0.2 1 0.05 0.01 0.01 0.2
 
C83600
 
Standard: ASTM
 
Copper Alloys CU SN PB ZN FE NI P AL SI SB S
C83600 84 - 86 4.3 - 6 4 - 5.7 4.3 - 6 0.25 1 0.05 0.005 0.005 0.25 0.08
 
C84400
 
Standard: ASTM
 
Copper Alloys CU SN PB ZN FE NI P AL SI SB S
C84400 79 - 82 2.5-3.5 6-8 7-10 0.4 0.8 0.02 0.005 0.005 0.25 0.08
 
 
 
 
 
 
 
 
 
 
 Physical Properties
 
Gunmetal          
Grade B.S. 
1400: 1985
Nominal 
Composition
2% PS
N/mm Min
Tensile Strength
N/mm Min
Elongation 
% Min
Brinell
Hardness Min
G1/BC3 88/10/2   245 15  
G1/BC2 88/8/4   245 20  
LG1 88/3/9/5 85 180 15 60
LG2 85/5/5/5 90 200 13 60
LG3 86/7/5/2        
LG4 88/7/2/3 130 230 14 65
BC1 82/3/10/5   165 15  
BC6 85/5/5/5   215 18  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
© Copyright 2016, Metal Care alloys pvt. ltd. All rights reserved. Site Designed & Maintained by  Aum Creative Factory