Leaded Bronzes
Chemical Composition
| Wisco’s commercial reference | Elements | Alloys as per most current up to date specifications (% percentage values) | Closest International Standards | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cu | Sn | Pb | Zn | Ni | P | Fe | Sb | S | |||
| W-Pb10 (2) |
% min. % máx. |
78,0 82,0 |
9,0 11,0 |
8,0 11,0 |
2,0 |
2,0 |
0,05 0,10 |
0,10 |
0,50 |
0,10 |
 |
| W-Pb15 (2) |
% min. % máx. |
74,0 80,0 |
6,0 8,0 |
13,00 17,00 |
2,0 |
0,5 2,00 |
0,10 |
0,25 |
0,50 |
0,10 | |
- Correlation of International Norms
- (2) Ni content considered as Cu.
Mechanical Properties
| Wisco’s commercial reference | Approximate Mechanical Characteristics at 20ºC. Minimum values | ||||
|---|---|---|---|---|---|
| Yield Point Rp 0.2N/mm² | Tensile Strength Rm N/mm² | Elongation A5 (%) | Hardness HB 10/100 | Yielding Module KN/mm² | |
| W-Pb10 (2) |
110 (172) |
220 (280) |
6 (13) |
70 (84) |
75 a 83 |
| W-Pb15 (2) |
90 (168) |
180 (256) |
7 (13) |
50 (79) |
75 a 80 |
- Values () are based on average results of our products
Physical Properties
| Wisco’s commercial reference | Physical Properties | ||||
|---|---|---|---|---|---|
| Density Kg/dm² | Specific Heat j/g. k | Thermal Expansion 10-6 k | Thermal Conductivity W/m. º k | Electrical Conductivity m / (Ohm.mm²) | |
| W - AlFe (5) |
9,0 | 0,376 | 18,7 | 54 | 6,0 |
| W - AlNi (5) |
9,1 | 0,376 | 18,8 | 63 | 7,0 |