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 |
C 83600 | |||||||||||||
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 |
C 84400 | |||||||||||||
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 | - |
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 | - |