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

Claim 1:
2. The layer-sintered valve seat ring according to claim 1, wherein the support material contains:
C: 1.0 to 1.8% by weight;
Cr: 10 to 15% by weight;
Mo: 2.5 to 5% by weight;
W: 0.8 to 1.5% by weight;
Si: 0.2 to 1.8% by weight;
V: 0.4 to 1.5% by weight;
Cu: 12 to 25% by weight;
Fe: 47.8 to 73.1% by weight;
Mn: up to 0.6% by weight; and
wherein the remainder are production-related contaminations in the form of at least one of Ni, Co, Ca, P and S that are present in contents of <0.3% by weight each.