| Copper Alloys |
CU |
SN |
PB |
ZN |
FE |
NI |
P |
AL |
MN |
SI |
SB |
Impurities |
| Alluminum Bronze |
IS : 305 – 1981 |
|
| AB-1 |
Rem. |
0.1 |
0.03 |
0.5 |
1.5-3.5 |
1 |
– |
8.5-10.5 |
1 |
0.25 |
– |
0.3 |
| AB-2 |
Rem. |
0.1 |
0.03 |
0.5 |
4-5.5 |
4-5.5 |
– |
8.8-10 |
1.5 |
0.10 |
– |
0.3 |
|
|
| AI. Bronze |
Rem. |
– |
– |
– |
4-5 |
– |
– |
9-11 |
0.1-0.5 |
– |
– |
– |
|
|
| Grade-1 |
Rem. |
0.1 |
0.05 |
0.5 |
4-5.5 |
4-5.5 |
– |
8.8-10 |
1 |
0.1 |
– |
– |
| Tin Bronze |
IS : 1458 – 1965 |
|
| Ph.Bz.Class-1 |
Rem. |
6-8 |
0.5 |
0.5 |
0.3 |
– |
0.4-0.6 |
0.01 |
– |
– |
0.1 |
0.6 |
|
|
| Phosphorus Bz (Grade – 1) |
Rem. |
6-8 |
0.25 |
0.5 |
0.3 |
0.7 |
0.3-0.5 |
0.01 |
– |
0.02 |
0.1 |
1.2 |
| Phosphorus Bz (Grade – 2) |
Rem. |
10 Min |
0.25 |
0.05 |
0.1 |
0.1 |
0.5Min |
0.01 |
– |
0.02 |
– |
0.6 |
| Phosphorus Bz (Grade – 3) |
Rem. |
6.5-8.5 |
2-5 |
2 |
– |
1 |
0.3 Min |
– |
– |
– |
– |
0.5 |
| Phosphorus Bz (Grade – 4) |
Rem. |
9-11 |
0.25 |
0.05 |
– |
0.25 |
0.15 |
– |
– |
– |
– |
0.8 |
| Phosphorus Bz (Grade – 5) |
Rem. |
11-13.1 |
0.5 |
0.3 |
0.15 |
0.5 |
0.15 Min |
0.01 |
– |
0.02 |
– |
0.2 |
| Gun Metal |
IS : 1458 – 1965 |
|
| Gunmetal Class – 2 |
Rem. |
5-7 |
1-3 |
2-3 |
0.3 |
– |
0.05 |
0.01 |
– |
– |
0.1 |
0.6 |
|
|
| LTB – 1 |
Rem. |
6-8 |
2.5-3.5 |
15.3 |
0.3 |
2 |
– |
0.01 |
– |
0.01 |
0.3 |
0.7 |
| LTB – 2 |
Rem. |
4-6 |
4-6 |
4-6 |
0.35 |
2 |
– |
0.01 |
– |
0.02 |
0.4 |
0.8 |
| Leaded Bronze |
IS : 1458 – 1968 |
|
| Leaded Bz. Class – 3 |
Rem. |
6-8 |
14-16 |
0.5 |
0.3 |
– |
0.05 |
0.01 |
– |
– |
0.4 |
0.7 |
| Leaded Bz. Class – 4 |
Rem. |
6-8 |
9-11 |
0.5 |
0.3 |
– |
0.05 |
0.01 |
– |
– |
0.4 |
0.7 |
| Leaded GM Class – 5 |
Rem. |
4-6 |
4-6 |
4-6 |
0.3 |
– |
0.05 |
0.01 |
– |
– |
0.3 |
0.6 |
|
|
| LTB – 3 |
Rem. |
6-8 |
9-11 |
0.75 |
0.35 |
2 |
– |
0.01 |
– |
0.02 |
0.5 |
0.8 |
| LTB – 4 |
Rem. |
6-8 |
14-16 |
0.75 |
0.35 |
2 |
– |
– |
– |
0.02 |
0.5 |
0.8 |
| LTB – 5 |
Rem. |
9-11 |
8.5-11 |
1 |
0.35 |
2 |
– |
0.01 |
– |
0.02 |
0.5 |
0.8 |
| LTB – 6 |
Rem. |
4-6 |
18-23 |
1 |
0.35 |
2 |
– |
– |
– |
0.02 |
0.5 |
0.8 |
| Silicon Bronze |
IS : 1028 – 1987 |
|
| Silicon Bronze |
89 Min |
1 |
0.5 |
5 |
2.5 |
– |
– |
01.5 |
1.5 |
1-5 |
– |
– |
|
|
| Grade – 2 |
55 Min |
1 |
0.5 |
Rem. |
0.7-2 |
1 |
– |
0.5-2.5 |
3 |
0.1 |
– |
– |
|
|
| LCB – 1 |
70-77 |
1-3 |
2-5 |
Rem. |
0.5 |
– |
– |
0.01 |
– |
– |
– |
– |
| LCB – 2 |
63 – 67 |
1.5 |
1-3 |
Rem. |
0.5 |
– |
– |
0.01 |
– |
– |
– |
– |
| High Tensile Brass |
IS : 304 – 1981 |
|
| HTB -1 |
55 Min |
1 |
0.5 |
Rem. |
0.7-2 |
– |
– |
0.5-2.5 |
3 |
0.1 |
– |
0.2 |
| HTB – 2 |
55 Min |
0.2 |
0.2 |
Rem. |
1.5-3.25 |
– |
– |
3.6 |
4 |
0.1 |
– |
0.2 |
| Silicon Bronze |
IS : 11109 – 1984 |
|
| Silicon Brass (Grade – 1) |
79 Min |
– |
0.5 |
12.5-16 |
0.3 |
– |
– |
0.5 |
– |
3.2-5 |
– |
0.5 |
| Silicon Brass (Grade – 2) |
88 Min |
– |
0.5 |
4.5-7 |
0.3 |
– |
– |
– |
– |
3.7-5.5 |
– |
0.5 |
| Silicon Bronze (Grade – 3) |
80-83 |
– |
0.4 |
Rem. |
0.3 |
– |
– |
0.5 |
– |
4.1-4.7 |
– |
0.5 |