Title:
HEAT RESISTANT SPHEROIDAL GRAPHITE CAST IRON WITH EXCELLENT CREEP RESISTANCE
Document Type and Number:
WIPO Patent Application WO/2018/150645
Kind Code:
A1
Abstract:
Heat resistant spheroidal graphite cast iron with excellent creep resistance that contains, in mass%, C: 3.0%-4.3%, Si: 1.5% to less than 3.0%, Mn: 0.4% or less, a graphite spheroidizing agent made of at least one of Mg, mischmetal, Ce and Ca: 0.010-0.15%, P: 0.20% or less, S: 0.050% or less, Ni: 0.50-1.5%, Cu: 0.20% to less than 0.8%, and Mo: 0.50-1.5%, the balance being made of Fe and unavoidable impurities.
Inventors:
KURAKAKE YU (JP)
YAMAMOTO KENTA (JP)
MAEKAWA NORIMASA (JP)
TESHIMA AKIHIRO (JP)
YAMAMOTO KENTA (JP)
MAEKAWA NORIMASA (JP)
TESHIMA AKIHIRO (JP)
Application Number:
PCT/JP2017/039551
Publication Date:
August 23, 2018
Filing Date:
November 01, 2017
Export Citation:
Assignee:
NIPPON STEEL & SUMIKIN ENG CO (JP)
International Classes:
C22C37/04; C21B9/02
Domestic Patent References:
| WO1996038596A1 | 1996-12-05 |
Foreign References:
| JPS332113B1 | ||||
| JP2014105342A | 2014-06-09 | |||
| JP2008528808A | 2008-07-31 |
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
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