Patent ID: 8889066
Filing Date: 2014-11-18
Classification: B23K,C22C

Abstract:
1. A welding additive material comprising a solid solution-strengthened iron-nickel alloy that has a high level of ductility and an expansion coefficient <4.5×10 −6 /K in the temperature range between room temperature and −200° C., the alloy comprising, in weight %: C 0.02-0.03% S <0.01% Cr 1.2-1.8% Ni 35-37% Mn 0.8-1.3% Si max. 0.3% ΣMo+W 1.5-2.5% Ti 0.4-0.7% Nb 0.4-0.7% P <0.01% Co 1.2-1.8% Fe Remainder and production-related impurities.