The classical partial denture alloy for clasp prostheses. Successful all over the world since 1953. No permanent deformation in clasps. Easy to cast.Alloy Characteristics in Standard Values:Type: (ISO 22674) 5Density: 8.3 Gm./cm3Preheating temperature: 9501050°CSolidus, liquidus temperature: 1265°C/1395°CCasting temperature, approx.: 1460°CYoungs modulus: 185 GPaProof strength (Rp 0.2): 615 MPaElongation after fracture (A5): 10%Vickers hardness: 360 HV10