Fuel injector component

Details Fuel injector component Fuel injector component

1994-05-11

1996-07-09

Yee, Deborah

Metal treatment

Stock

Ferrous

148326, C22C 3822

Patent

active

055340814

ABSTRACT:
To the end of providing a fuel injector component such as a nozzle needle and a valve seat of a fuel injector for injecting fuel directly into a combustion chamber of a gasoline engine which has a sufficient durability and wear resistance even in the high temperature condition existing in the combustion chamber of the gasoline engine, the fuel injector component is made of a martensite stainless steel essentially consisting of 0.6 to 1.5% of C; 2.0% or less of Si; 1.0% or less of Mn; 10 to 18% of Cr; 1 to 6% of a member selected from a group consisting of Mo and Mo+(1/2)W; and a balance of Fe and inevitable impurities. The material may further comprise, in various combinations, 2% or less of V and/or Nb in terms of V+(1/2)Nb, 6% or less of Co, 3.5% or less of Cu, and at least one member of a group consisting of 0.2% or less of Pb, 0.05% or less of S, and 0.1% or less of Se.

REFERENCES:
patent: 4985092 (1991-01-01), Kaede et al.

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