ALLOY:- PHOSPHORUS BRONZE (GRADE-5)
STANDARD :- IS: 28-1985
CHEMICAL COMPOSITION |
MIN (%) |
MAX(%) |
Copper (cu) |
BALANCE |
Tin (Sn) |
11.00 |
13.10 |
Lead (Pb) |
- |
0.50 |
Zinc (Zn) |
- |
0.30 |
Phosphorus (P) |
0.15 |
- |
Nickle (Ni) |
- |
0.50 |
Iron (Fe) |
- |
0.15 |
Antimony (Sb) |
- |
- |
Aluminium (Al) |
- |
0.01 |
Silicon (Si) |
- |
0.02 |
MECHANICAL PROPERTIES |
Minimum Values |
Molding Process |
Sand Casting |
Continuous Casting |
Tensile Strength Rm (MPa) |
270 |
310 |
0,2% Proof Strength Rp0,2 (MPa) |
130 |
150 |
Elongation (%) |
5 |
6 |
Hardness |
80 |
90 |
EQUIVALENT INTERNATIONAL STANDARD |
STANDARD |
ALLOY |
BS 1400 |
PB 2 |
DIN 1705 |
CuSn12 |
EN 1982 |
CuSn12-C, CB483K |
ASTM B505 |
C90700 |
JIS H5121 |
CAC 503C |
TECHNICAL CHARACTERISTIC |
Anti-friction properties make it a much-in-demand alloy |
Hard wearing bronze containing a small amount of phosphorus |
Phosphorus increases wear resistance |
suitable for bearings with high loads and pressure requirements |