Powder metallurgy produced valve body and valve fitted with said valve body
AssigneesBleistahl-Produktions GmbH & Co KG, Volkswagen Aktiengesellschaft
InventorsGerd Krüger, Hans-Joachim Kaschuba, Franz-Josef Schleifstein
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Abstract
The invention relates to a valve body produced by powder metallurgical methods that exhibits high thermal and wear resistance and has the following composition by weight: 0.5% to 2.0% C; 5.0% to 16% Mo; 0.2% to 1.0% P; 0.1% to 1.4% Mn; 0% to 5% Cr; 0% to 5% S; 0% to 7% W; 0% to 3% V, <2% of other elements with the remainder being Fe. It also relates to a valve fitted with such valve body.
Claims8
A valve body produced by a powder metallurgical method from a metal powder that is at least to some extent, in the form of a completely alloyed PMoFe powder, and having a high resistance to temperatures and wear, comprising the following composition by weight:
- 0.5% to 2.0% C;
- 5.0% to 16% Mo;
- 0.2% to 1.0% P;
- 0.1% to 1.4% Mn;
- 0% to 5% Cr;
- 0% to 5% S;
- 0% to 7% W;
- 0% to 3% V, <2% of other elements with the remainder being Fe.
Dependencies are inferred from the claim text.