Title:
NODULAR GRAPHITE CAST IRON FOR PISTONS, ONE-PIECE PISTON, AND MARINE ENGINE
Document Type and Number:
WIPO Patent Application WO/2016/051725
Kind Code:
A1
Abstract:
The nodular graphite cast iron for pistons of an embodiment of this invention contains, in mass, C: 2.7 to 4.3%, Si: 2.0 to 3.5%, Mn: 0.3 to 0.8%, Mg: 0.02 to 0.10%, Cu: 0.3 to 1.0%, Cr: 0.05 to 0.90%, Mo: 0.05 to 1.00%, with the remainder being made up of Fe and unavoidable impurities. The C content and the Si content fall within a composition range defined by a line sequentially joining point A (2.7%, 3.5%), point B (3.2%, 2.0%), point C (4.3%, 2.0%), and point D (3.8%, 3.5%) in a graph showing the relation between C content and Si content (C content, Si content).
Inventors:
ANJIKI TAKUYA (JP)
OKA MASANORI (JP)
KOTANI TOMOKATSU (JP)
SATO RISA (JP)
OKA MASANORI (JP)
KOTANI TOMOKATSU (JP)
SATO RISA (JP)
Application Number:
PCT/JP2015/004802
Publication Date:
April 07, 2016
Filing Date:
September 18, 2015
Export Citation:
Assignee:
YANMAR CO LTD (JP)
International Classes:
C22C37/04; F02F3/00; F16J1/01; C21D5/00
Foreign References:
| JP2000045011A | 2000-02-15 | |||
| JPH03104841A | 1991-05-01 |
Other References:
See also references of EP 3202935A4
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, p. c. (JP)
Patent business corporation cherry tree international patent firm (JP)
Patent business corporation cherry tree international patent firm (JP)
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