Per addendum Sn, Ni et aliorum elementorum vestigialium ad matricem cupri, C19025 praebet magnam vim, elasticitatem et praestantem performance relaxationis stress, necnon praestantem conductivitatem. Ad terminales automotivos, connectores etc. applicatur.
| Gradus | Compositio chemica (% ) ≤ | Crassitudo (mm) |
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| ASTM | Cu | Stannum | Ni | P | Zn | 0.05-5.0 | |
| C19025 | RESPONDEO | 0.7-1.1 | 0.8-1.2 | 0.03-0.07 | ≤0.2 | ||
| Proprietates physicae | |||||||
| Densitas (g/cm³) |
Modulus Elasticitatis (GPa) |
Coeficientis Expansionis Thermalis (×10-6/K) |
Conductivitas Electrifica (%IACS) |
Scelerisque Conductivity W(m·K) |
|||
| 8.9 | 130 | 17 | 40 | 161 | |||
| Proprietates mechanicæ | Proprietates curvandi | |||||
| Temperamentum | Dureza HV |
Testatio Tensionis | 90°R∕T(Crassitudo≤0.5mm) | |||
| Robur Tensile Rm\/MPa |
Robur Renditionis MPa |
Tentio % |
Bonus modus | Via mala | ||
| H01 | 120-155 | 335-470 | 300-420 | ≥20 | 0 | 0 |
| H02 | 135-170 | 440-520 | 410-490 | ≥8 | 0 | 0 |
| H04 | 155-180 | 500-570 | 475-540 | ≥6 | 0 | 0 |
| H06 | 160-195 | 540-590 | 510-560 | ≥4 | 0 | 0.5 |
| H08 | 175-210 | 580-650 | 555-625 | ≥4 | - | - |
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