| Material | r g/cm3 |
E GPa |
Rm MPa |
Rr0.2 MPa (static) |
Hardness HV5HRH |
A5 % |
|
| Copper (99.5%) | 8.3 8.5 |
. | 180 200 |
60 160 |
40 65 |
66 81 |
25 15 |
| Brass (8-12Zn) | 7.8 8.2 |
51.7 54.5 |
115 140 |
65 80 |
30 35 |
61 63 |
9 11 |
| Brass (20Zn-1-2Pb) | 7.8 8.2 |
69 82.7 |
150 190 |
90 110 |
35 40 |
63 66 |
24 28 |
| Bronze (9-11Sn) | 7.4 7.8 |
37.9 40 |
140 190 |
110 130 |
35 40 |
63 66 |
4 5 |
| Nickel Silver (18Ni-18Zn) |
8.0 | 76.8 | 220 | 140 | 45 | 69 | 11 |
Notes on sintering cycles:
Sintering temperatures are:
- 930-1000°C for copper; densities >8.3 g/cm3 require re-pressing
- 815-930°C for brass and nickel silver
- 800-875°C for bronze
Data source: National and international standards, published in 'Guide
to Design of Sintered Parts' and reprinted with permission of Assinter,
Italy