OIL RING WIRE - TOKUSEN KOGYO KK

Title:

OIL RING WIRE

Document Type and Number:

WIPO Patent Application WO/2022/219854

Kind Code:

A1

Abstract:

The material of an oil ring wire 2 is an alloy steel. The alloy steel includes 0.50-0.65 mass% C, 1.60-2.30 mass% Si, 0.60-1.10 mass% Mn, 0.75-1.15 mass% Cr, 0.18-0.45 mass% Ni, 0.05-0.15 mass% V, not more than 0.15 mass% Cu, and unavoidable impurities. An area ratio of carbides in the oil ring wire 2 is more than 6.0% and not more than 10.0%.

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Inventors:

OTANI KEI

Application Number:

PCT/JP2021/048637

Publication Date:

October 20, 2022

Filing Date:

December 27, 2021

Export Citation:

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Assignee:

TOKUSEN KOGYO KK (JP)

International Classes:

C21D8/06; C22C38/00; C22C38/46; F02F5/00; C21D1/06

Foreign References:

JP2008050649A	2008-03-06
JP2015108417A	2015-06-11
JP2010054039A	2010-03-11
US5944920A	1999-08-31
JP2008050649A	2008-03-06

Attorney, Agent or Firm:

ARCO PATENT & TRADEMARK ATTORNEYS (JP)

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