Cromo – Cobalto – Tungsteno
| Forma | |
|---|---|
| Materiale | |
| Tipologia | |
| Uso |
Composition in %
Cobalto (Co) 61 – Cromo (Cr) 28 – Tungsteno (W) 8,5 – Silicio (Si) 1,5 – Altri (Mn, Fe)
Physical and mechanical properties
| Temperature of solidus-liquidus | 1308 ÷ 1384 °C |
| Coefficient of thermal expansion | (25 ÷ 500 °C) 14,2 x 10-6 K-1 – (25 ÷ 600 °C) 14,4 x 10-6 K-1 |
| Melting point | 1440 °C |
| Density | 8,5 g/cmc |
| Hardness Vickers | 273 HV10 |
| Percent elongation at break | 16 % |
| Unit yield strength | (Rp0.2) 360 MPa |
| Modulus of elasticity | 183 GPa |
| Release of joni in 7 days | 1,75 μg/cm2 |
| Maximum cooking temperature | 980 °C |
| Color | White |
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