Special Alloys
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 | Si | Co | Mn | Al | |||
| W-102 (5) (6) |
% min. % máx. |
84,5 87 |
0,05 | 9 11 |
0,05 | 1,00 1,80 |
0,10 | 1,50 |  |
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| W-134 (5) |
% min. % máx. |
Resto | 0,10 | 0,05 | 0,10 | 4,00 5,00 |
1,50 2,50 |
12,50 13,5 |
|
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| W-159 | % min. % máx. |
Resto | 0,10 | 0,05 | 13,5 16,5 |
0,40 1,00 |
1,00 2,00 |
0,50 | 10,75 11,50 |
|
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| W-033 | % min. % máx. |
89,00 | 1,00 | 0,50 | 5,00 | 2,50 | 1,00 5,00 |
1,50 | 1,50 | |
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- Correlation of International Norms
- (2) Ni content considered as Cu.
- (5) Forgeable material and feasible for other additional processes after casting in order to improve mechanical characteristics; these final mechanical values will depend of the chosen process.
- (6) Excellent deformation in cold.
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-102 (2) (5) |
310 310 |
500 550 |
20 20 |
65 65 |
135 |
| W-134 (5) |
380 | 600 690 |
1 1 |
270 | 110 |
| W-159 | 627 a 675 | 4 | 200 | 126 | |
| W-033 | 176 | 30 | 85 | 105 | |
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-102 (5) (6) |
8,9 | 0,376 | 13,0 | 50 | 5,8 |
| W-134 (2) (5) |
7,5 | 0,38 | 16,2 | 38,9 | 8% I.A.C.S. |
| W-159 | 7,63 | 0,418 | 16,2 | 44 | 5,2 |
| W-033 | 8,4 | 0,376 | 28 | 3,5 | |