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Midigold 50

Au (50.0%)-based dental casting alloy, Type 4

Midigold 50 is a gold-reduced, golden yellow casting alloy. The well-coordinated material properties enable successful clinical use in a wide range of different indications.

Indications*

  • Onlays, ¾ crowns, crowns
  • Telescope crowns, conus crowns
  • Bridges
  • Wide-span bridges
  • Cast posts / cores, bars, attachments
  • Implant-supported superstructures
  • Partial dentures

Technical Data

Composition (%):  Au 50.0 | Pd 3.5 | Ag 35.0 | Cu 9.5 | In 2.0 | Ir <1.0
ISO  22674:2016
ADA Type Noble
Type / Color 4 / Yellow
Density (g/cm³) 13.2
Melting Range (Solidus/Liquidus): 835 - 915 °C
Elastic Modulus (GPa): 95
  As Cast              Softened        Hardened 
Vickers Hardness: 190                      120                  220
Tensile Strength (MPa): 610                      400                  660
0.2% Proof Stress (MPa):  490                      240                  585
Elongation (%): 10                        30                     5
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