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JPH11229059A5 - - Google Patents

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Publication number
JPH11229059A5
JPH11229059A5 JP1998026971A JP2697198A JPH11229059A5 JP H11229059 A5 JPH11229059 A5 JP H11229059A5 JP 1998026971 A JP1998026971 A JP 1998026971A JP 2697198 A JP2697198 A JP 2697198A JP H11229059 A5 JPH11229059 A5 JP H11229059A5
Authority
JP
Japan
Prior art keywords
less
heat
weight
engine valves
resistant alloy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1998026971A
Other languages
Japanese (ja)
Other versions
JP3959659B2 (en
JPH11229059A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP02697198A priority Critical patent/JP3959659B2/en
Priority claimed from JP02697198A external-priority patent/JP3959659B2/en
Publication of JPH11229059A publication Critical patent/JPH11229059A/en
Publication of JPH11229059A5 publication Critical patent/JPH11229059A5/ja
Application granted granted Critical
Publication of JP3959659B2 publication Critical patent/JP3959659B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Claims (3)

重量％でＣ０．０１〜０．１５％、Ｓｉ１％以下、Ｍｎ１％以下、Ｎｉ５０〜６０％、Ｃｒ１５〜２０％、Ｍｏ＋１／２Ｗが２〜５％、Ａｌ１．６〜３％、Ｔｉ１．５〜３．５％、Ｎｂ＋Ｔａが０．３〜２．０％を含有し、残部が実質的Ｆｅからなり、かつ各元素が原子％で下記関係式を満たすことを特徴とするエンジンバルブ用耐熱合金。
５．５≦[Ａｌ]＋[Ｔｉ]＋[Ｎｂ]＋[Ｔａ]≦８
０．４５≦[Ａｌ]／([Ａｌ]＋[Ｔｉ]＋[Ｎｂ]＋[Ｔａ])≦０．７
１９≦[Ｃｒ]＋[Ｍｏ]＋[Ｗ]≦２３
［ ］は原子％を表す。 1. A heat-resistant alloy for engine valves, comprising, by weight percent, 0.01 to 0.15% C, 1% or less Si, 1% or less Mn, 50 to 60% Ni, 15 to 20% Cr, 2 to 5% Mo+1/2W, 1.6 to 3% Al, 1.5 to 3.5% Ti, and 0.3 to 2.0% Nb+Ta, with the balance essentially consisting of Fe, wherein each element satisfies the following relational expression in atomic percent:
5.5≦[Al]+[Ti]+[Nb]+[Ta]≦8
0.45≦[Al]/([Al]+[Ti]+[Nb]+[Ta])≦0.7
19≦[Cr]+[Mo]+[W]≦23
[ ] indicates atomic %. 重量％でＦｅが１６％以上含有することを特徴とする請求項１に記載のエンジンバルブ用耐熱合金。 2. The heat-resistant alloy for engine valves according to claim 1, wherein the alloy contains 16% or more Fe by weight. 重量％でＢ０．０１５％以下、Ｍｇ０．０２％以下、Ｃａ０．０２％以下の一種または二種以上を含有することを特徴とする請求項１または２のいずれかに記載のエンジンバルブ用耐熱合金。3. A heat-resistant alloy for engine valves according to claim 1, further comprising, by weight, one or more of 0.015% or less of B, 0.02% or less of Mg, and 0.02% or less of Ca.
JP02697198A 1998-02-09 1998-02-09 Heat resistant alloy for engine valves Expired - Fee Related JP3959659B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP02697198A JP3959659B2 (en) 1998-02-09 1998-02-09 Heat resistant alloy for engine valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP02697198A JP3959659B2 (en) 1998-02-09 1998-02-09 Heat resistant alloy for engine valves

Publications (3)

Publication Number Publication Date
JPH11229059A JPH11229059A (en) 1999-08-24
JPH11229059A5 true JPH11229059A5 (en) 2005-08-04
JP3959659B2 JP3959659B2 (en) 2007-08-15

Family

ID=12208054

Family Applications (1)

Application Number Title Priority Date Filing Date
JP02697198A Expired - Fee Related JP3959659B2 (en) 1998-02-09 1998-02-09 Heat resistant alloy for engine valves

Country Status (1)

Country Link
JP (1) JP3959659B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7481970B2 (en) 2004-05-26 2009-01-27 Hitachi Metals, Ltd. Heat resistant alloy for use as material of engine valve
US7651575B2 (en) * 2006-07-07 2010-01-26 Eaton Corporation Wear resistant high temperature alloy
JP4839388B2 (en) * 2009-03-31 2011-12-21 株式会社日立製作所 Welding material and welding rotor
JP2015108177A (en) * 2013-12-05 2015-06-11 株式会社不二越 Nickel base alloy
JP6044997B2 (en) * 2013-12-05 2016-12-14 株式会社不二越 Nickel-based alloy wastegate valve
JP6270194B2 (en) * 2015-12-18 2018-01-31 日立金属株式会社 Metal gasket and manufacturing method thereof

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