Patent ID: 11951528
Assignee: ROLLS-ROYCE CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B  C | IPC B  C

Claim 8:
9. The method of claim 8,
wherein the substrate has a composition comprising between 12 wt. % and 20 wt. % chromium, between 6 wt. % and 14 wt. % iron, between 5 wt. % and 12 wt. % cobalt, between 4 wt. % and 8 wt. % niobium, less than 6 wt. % tungsten, less than 4 wt. % molybdenum, between 0.6 wt. % and 2.6 wt. % aluminum, between 0.4 wt. % and 1.4 wt. % titanium, less than 0.1 wt. % carbon, between 0.003 wt. % and 0.03 wt. % phosphorus, between 0.003 and 0.015 wt. % boron, and
wherein the forging temperature range is between 925° C. and 1010° C.