Avesta P10 description: AVESTA P10 is a nickel base alloy designed for dissimilar welding of stainless steels, nickel base alloys type Inconel 600, low-alloy steels, as well as some copper alloys. P10 can also be used for welding many high temperature steels and nickel base alloys. The austenitic structure is very stable and the risk of hot or solidification cracking is relatively low.