Patent ID: 11959404
Assignee: MAHLE INTERNATIONAL GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 3:
4. The layer-sintered valve seat ring according to claim 1, wherein the support material contains:
C: 1.0 to 1.8% by weight;
Cr: 12 to 16% by weight;
Mo: 1 to 2.5% by weight;
W: 0.8 to 2.0% by weight;
Si: 0.2 to 1.2% by weight;
V: 0.4 to 1.5% by weight;
Cu: 12 to 25% by weight;
Fe: 49.4 to 72.6% by weight;
Mn: up to 0.6% by weight;
wherein the remainder are production-related contaminations in the form of at least one of Ni, Co, Ca, P and that are present in contents of <0.3% by weight each.