Argistar 73

Multi-Purpose Alloys

Color YELLOW
Type 4
ADA Class HIGH NOBLE (HN)
Application
Processing
Investment Phosphate Bonded
Crucible Graphite / Ceramic
Degassing Temp C
Oxidation Procedure Vacuum 2 Min Hold, Remove Oxide
Solder & Laser Wires
PreSolder 760
PostSolder 720
Laser Wire LWS73
Physical Properties
VHN After Firing 240
VHN Soft 130
VHN Hard 260
Proof Stress Soft MPa 560
Proof Stress Hard MPa 659
Tensile Strength Soft MPa 720
Tensile Strength Hard MPa 750
Elongation Soft 5
Elongation Hard 3
Elastic Modulus GPa 98
Composition
Silver (Ag) 16.0
Gold (Au) 73.0
Palladium (Pd) 5.8
Tin (Sn) 0.5
Zinc (Zn) 3.0
Iridium (Ir) 0.1
Platinum (Pt) 1.6
Thermal Properties
Melting Range C 980-1070
Casting Temp C 1250
Density g/cc 15.7
Expansion at 500C 16.3
Expansion at 600C 16.8
Burnout Temp C 700