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US 12,365,959 B2Granted
Oil ring wire
AssigneeTokusen Kogyo Co., Ltd.
InventorMiho Fujino
Life of this patent
Estimating the term…
Abstract
An oil ring wire (2) containing an alloy steel as a material. The alloy steel contains: 0.50 to 0.65% by mass C; 1.60 to 2.30% by mass Si; 0.60 to 1.10% by mass Mn; 0.75 to 1.15% by mass Cr; 0.18 to 0.45% by mass Ni; 0.05 to 0.15% by mass V; and 0.15% by mass or less Cu. In the oil ring wire 2, an area percentage of a carbide is 1.00% or less. Also disclosed is a method of producing the oil ring wire.
Claims4
An oil ring wire comprising an alloy steel as a material, wherein the alloy steel comprises:
- 0.50 to 0.65% by mass C;
- 1.60 to 2.30% by mass Si;
- 0.60 to 1.10% by mass Mn;
- 0.75 to 1.15% by mass Cr;
- 0.18 to 0.45% by mass Ni;
- 0.05 to 0.15% by mass V;
- 0.15% by mass or less Cu;
- and
- inevitable impurities, and
- an area percentage of a carbide is 0.96% or less.
7 more elements
Dependencies are inferred from the claim text.