The ideal partial denture alloy for combination work.
| Composition in % by mass |
|---|
| Co 63.0 · Cr 30.0 · Mo 5.0 · Si 1.0 · Mn 1.0 · C |
| Alloy Characteristics | Standard Values |
|---|---|
| Type (ISO 22674) | 5 |
| Density | 8.2 g/cm3 |
| Preheating temperature | 950–1050 °C |
| Solidus, liquidus temperature | 1260, 1390 °C |
| Casting temperature approx. | 1420 °C |
| Young’s modulus | 185 GPa |
| Proof strength (Rp0.2 ) | 635 MPa |
| Elongation after fracture (A5 ) | 8% |
| Vickers hardness | 385 HV10 |
| Availability | Contents | REF |
|---|---|---|
| Wironit® extrahart | 1000 g | 50060 |
| Accessories | Contents | REF |
|---|---|---|
| Wiroweld CoCr laser wire, carbon-free, Ø 0.35 mm | 2 m – 1.5 g | 50003 |
| Wiroweld CoCr laser wire, carbon-free, Ø 0.5 mm | 1.5 m – 2 g | 50005 |
| Cobalt-chrome solder | 4g | 52520 |
| Title | Type | |
|---|---|---|
| Partial dentures – denture kinematics and support, Part 7 | Work Guidelines | Download |
| Partial dentures – basic design of mandibular dentures, Part 6 | Work Guidelines | Download |
| Partial dentures – basic design of maxilla dentures, Part 5 | Work Guidelines | Download |
| Partial dentures – clasp function and indication, Part 4 | Work Guidelines | Download |
| Partial dentures – setting the retentive force of a partial denture, Part 3 | Work Guidelines | Download |
| Partial dentures – system oriented planning and design model measurement, Part 2 | Work Guidelines | Download |
| Partial dentures – frequently misunderstood and undervalued, Part 1 | Work Guidelines | Download |
| Wironit® Extrahart Bio Cert | Bio Certificate | Download |
| Wironit® Extrahart Safety Data Sheet | Safety Data Sheet | Download |
| Partial Denture Work Guidelines | Work Guidelines | Download |
| Troubleshooting Guide | Troubleshooting Guide | Download |
| Wironit® Extrahart Instructions for Use | Instructions for Use | Download |
