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Elmet Technologies

HGC-4 Precious dental alloy
Categories: Metal; Nonferrous Metal; Precious Metal; Gold Alloy

Key Words: medical, surgical
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Physical PropertiesMetricEnglishComments
Density 15.6 - 16.8 g/cc0.564 - 0.607 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 155 - 195155 - 195soft
 225 - 295225 - 295hardened
Tensile Strength, Ultimate 500 - 580 MPa72500 - 84100 psisoft
Tensile Strength, Yield 710 - 780 MPa103000 - 113000 psihardened
 300 - 420 MPa
@Strain 0.2 %
43500 - 60900 psi
@Strain 0.2 %
soft
 540 - 780 MPa
@Strain 0.2 %
78300 - 113000 psi
@Strain 0.2 %
hardened
Elongation at Break 5.0 - 18 %5.0 - 18 %hardened
 15 - 37 %15 - 37 %soft
Modulus of Elasticity 98.0 - 109 GPa14200 - 15800 ksi
 
Thermal PropertiesMetricEnglishComments
Melting Point 900 - 1000 °C1650 - 1830 °F
Solidus 900 °C1650 °F
Liquidus 1000 °C1830 °F
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu 0.00 - 9.0 %0.00 - 9.0 %
Gold, Au 50 - 73 %50 - 73 %
Indium, In <= 2.0 %<= 2.0 %
Iridium, Ir <= 0.10 %<= 0.10 %
Palladium, Pd <= 1.0 %<= 1.0 %
Platinum, Pt <= 19 %<= 19 %
Rhenium, Re <= 0.10 %<= 0.10 %
Silver, Ag 8.0 - 28 %8.0 - 28 %
Zinc, Zn 6.0 - 14 %6.0 - 14 %

References for this datasheet.

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MMEDIC33 / 12409

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