Metal alloys for dental porcelain fusing and dental prosthetic appliances are provided. The metal alloy includes: gold (Au) in an amount that is greater than 0 and equal to or smaller than 35 weight %； silver (Ag) in an amount of 5 to 35 weight %； indium (In) in an amount of 6 to 40 weight %； palladium (Pd) in an amount of 30 to 70 weight %； and at least one element selected from the group consisting of boron (B), germanium (Ge), zirconium (Zr), silicon (Si) and iron (Fe) in a total amount that is greater than 0 and equal to or smaller than 5.0 weight %.
