Wironit® extrahart
The ideal partial denture alloy for combination work
- Due to its high proof strength and ultimate strength, this alloy is ideally suited for combination work
- Outstanding casting properties thanks to the special composition with silicon and carbon
- Very low thermal conductivity of the alloy emphasises the wearing comfort of the prosthesis
- Biocompatible and corrosion-resistant
| 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 |
| Ultimate strength (Rm) | 900 MPa |
| Elongation after fracture (A5) | 8% |
| Vickers hardness | 385 HV10 |
| Composition in % by mass |
|---|
| Co 63.0 · Cr 30.0 · Mo 5.0 · Si 1.0 · Mn 1.0 · C |
| Availability | REF |
|---|---|
| Wironit® extrahart, 1pack = 1000 g | 50060 |
| Accessories | REF |
|---|---|
| Ø 0.5 mm, 1 pack = 1.5 m – 2 g | 50005 |
| Cobalt-chrome solder, 1 pack = 4 g | 52520 |
Contact / Service
BEGO USA Inc.
24 Albion Road
Suite 103
Lincoln, RI 02865
Phone: 800 342 2346
Cell: 774 571-0395
Fax: 401 334-9265
E-Mail: info@begousa.com