JPS6041137B2 - Ni-Cr-Co super heat-resistant alloy for casting with excellent high-temperature strength and oxidation resistance against repeated heating - Google Patents
Ni-Cr-Co super heat-resistant alloy for casting with excellent high-temperature strength and oxidation resistance against repeated heatingInfo
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- JPS6041137B2 JPS6041137B2 JP52058673A JP5867377A JPS6041137B2 JP S6041137 B2 JPS6041137 B2 JP S6041137B2 JP 52058673 A JP52058673 A JP 52058673A JP 5867377 A JP5867377 A JP 5867377A JP S6041137 B2 JPS6041137 B2 JP S6041137B2
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- temperature strength
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Description
【発明の詳細な説明】
本発明は鋳造用Ｎｉ−Ｃｒ一Ｃｏ超耐熱合金に係るもの
であり、１０００ｑｏ以上の超高温において、引張強さ
、クリープ破断強さ、変形抵抗が高く耐酸化性とくにく
りかえし加熱に対する耐酸化性すぐれた合金に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a Ni-Cr-Co super heat-resistant alloy for casting, which has high tensile strength, creep rupture strength, and deformation resistance at extremely high temperatures of 1000 qo or more, and has particularly good oxidation resistance. This invention relates to an alloy with excellent oxidation resistance against repeated heating.
製鉄所におけるピレツト、スラブの加熱炉、均熱炉に用
いられるスキッドレール金物、熱処理炉の治具等の用途
に対して、従釆３０％Ｃｒ−５０％Ｃｏ−Ｂａｌ．Ｆｅ
（Ｕｍｃｏ５０）や０．５％Ｃ−６％Ｃｒ一３５％Ｎｉ
−１５％Ｃｏ−５％Ｗ一Ｂａｌ．Ｆｅ（スーパーサーム
）等が用いられているが１０００ｑｏ以上、とくに１２
００ｑｏ以上では高温強度、耐酸化性など問題があって
長時間の使用がむずかしい。30% Cr-50% Co-Bal. Fe
(Umco50) and 0.5%C-6%Cr-35%Ni
-15%Co-5%W-Bal. Fe (supertherm) etc. are used, but it is more than 1000qo, especially 12
If the temperature is higher than 00qo, there are problems with high temperature strength and oxidation resistance, making it difficult to use for a long time.
本発明は上記欠点を解消し、経済的な大気溶解法を用い
鋳造性のすぐれた新しいＮｉ−Ｃｒ−Ｃｏ超耐熱合金を
提供するものである。The present invention solves the above-mentioned drawbacks and provides a new Ni-Cr-Co superalloy with excellent castability using an economical atmospheric melting method.
とくに１２００ｑｏ以上で高い引張り強さクリープ破断
強さ、変形抵抗を備え、さらに耐酸化性とくにくりかえ
し加熱に対する耐酸化性のすぐれたものである。本発明
における鋳造用超耐熱合金の成分組成は次のようになる
。In particular, it has high tensile strength, creep rupture strength, and deformation resistance at 1200 qo or more, and also has excellent oxidation resistance, especially oxidation resistance against repeated heating. The composition of the super heat-resistant alloy for casting in the present invention is as follows.
【１｝ 重量％でＣＯ．１〜０．５％、Ｓｉミ２．０％
、Ｍｎ＜２．０％、Ｃｒ２６〜３８％、Ｎｉｌｏ〜３０
％、Ｃｏ３０％を越え４０％以下、Ｎｂｏ．２〜３．０
％、残部Ｆｅおび通常の不純物からなることを特徴とす
る合金である。[1} CO. by weight%. 1-0.5%, Si-2.0%
, Mn<2.0%, Cr26~38%, Nilo~30
%, Co more than 30% and less than 40%, Nbo. 2-3.0
%, the balance being Fe and normal impurities.
本発明のより好ましい合金組成はＣＯ．１５〜０．３％
、Ｓｉミ２．０％、Ｍｎミ２．０％、Ｃｒ２６〜３５％
、Ｎｉｌ５〜２５％、Ｃｏ２５〜３５％、Ｎｂｏ．５〜
２．０％、残部Ｆｅおよび通常の不純物からなる合金で
ある。‘２１ 重量％でＣＯ．１〜０．５％、Ｓｉミ２
．０％、Ｍｎ＜２．０％、Ｃｒ２６〜３８％、Ｎｉｌｏ
〜３０％、Ｃｏ３０％を越え４０％以下、Ｎｂｏ．２〜
３．０％でＭｏ，Ｗのどちらか一方もしくは双方を０．
５〜４．０％含み残部Ｆｅおよび通常の不純物からなる
ことを特徴とする合金である。A more preferred alloy composition of the present invention is CO. 15-0.3%
, Si 2.0%, Mn 2.0%, Cr 26-35%
, Nil 5-25%, Co 25-35%, Nbo. 5～
2.0%, balance Fe and normal impurities. '21 CO.% by weight. 1-0.5%, Si Mi2
．． 0%, Mn<2.0%, Cr26-38%, Nilo
~30%, Co more than 30% and less than 40%, Nbo. 2～
At 3.0%, one or both of Mo and W is 0.
It is an alloy characterized by containing 5 to 4.0% Fe with the balance being Fe and normal impurities.
本発明のより好ましい合金組成はＣＯ．１５〜０．３％
、Ｓｉミ２．０％、Ｍｈミ２．０％、Ｃｒ２６〜３５％
、Ｎｉｌ５〜２５％、Ｃｏ３０％を越え３５％以下Ｎｂ
ｏ．５〜２．０％でＭｏ，Ｗのどちらか一方もしくは双
方を１〜３．０％を含み、残部Ｆｅおよび通常の不純物
からなる合金である。A more preferred alloy composition of the present invention is CO. 15-0.3%
, Si 2.0%, Mh 2.0%, Cr26-35%
, Nil 5-25%, Co more than 30% and less than 35% Nb
o. It is an alloy containing 5 to 2.0% of Mo and/or W and 1 to 3.0% of both, with the balance being Fe and normal impurities.
‘３’重量％でＣＯ．１〜０．５％、Ｓｉミ２．０％、
Ｍｎ＜２．０％、Ｃｒ２６〜滋％、Ｎｉｌｏ〜３０％、
Ｃｏ３０％を越え４０％以下、Ｎｂｏ．２〜３．０％で
ＡＩＯ．１〜１．０％、Ｔｉｏ．１〜１．０％、Ｚｒｏ
．１〜１．０％の１種または２種以上でその合計で０．
１〜１．０％を含み、残部Ｆｅおよび通常の不純物から
なることを特徴とする合金である。CO. at '3'% by weight. 1 to 0.5%, Si 2.0%,
Mn<2.0%, Cr26~30%, Nilo~30%,
Co more than 30% and less than 40%, Nbo. AIO. at 2-3.0%. 1-1.0%, Tio. 1-1.0%, Zro
．． 1 to 1.0% of one or more types, the total of which is 0.
It is an alloy characterized by containing 1 to 1.0% of Fe, with the remainder consisting of Fe and normal impurities.
本発明のより好ましい合金組成はＣＯ．１５〜０．３％
、Ｓｉミ２．０％、Ｍｍミ２．０％、Ｃｒ２６〜３５％
、Ｎｉｌ５〜２５％、Ｃｏ３０％を越え３５％以下、Ｎ
ｂｏ．５〜２．０％でＡＩＯ．７％以下、Ｔｉｏ．７％
以下、Ｚｒｏ．７％以下の１種または２種以上でその合
計で０．７％以下、を含み残部Ｆｅおよび通常の不純物
からなる合金である。【４’重量％でＣＯ．１〜０．５
％、Ｓｉミ２．０％、Ｍｎ＜２．０％、Ｃｒ２６〜紙％
、ＮｉＩＯ〜３０％、Ｃｏ３０％を越え４０％以下、Ｎ
ｂｏ．２〜３．０％でＭｏ，Ｗのどちらか一方もしくは
双方を０．５〜４．０％含みさらにＮＩ．０％以下、Ｔ
ｉｌ．０％以下、Ｚｒｌ．０％以下の１種または２種以
上でその合計で１．０％以下を含み残部Ｆｅおよび通常
の不純物からなることを特徴とする合金である。A more preferred alloy composition of the present invention is CO. 15-0.3%
, Si 2.0%, Mm 2.0%, Cr26-35%
, Nil 5-25%, Co more than 30% and less than 35%, N
bo. 5-2.0% AIO. 7% or less, Tio. 7%
Below, Zro. It is an alloy containing 7% or less of one or more types, the total of which is 0.7% or less, with the balance consisting of Fe and normal impurities. [4'wt% CO. 1-0.5
%, Si2.0%, Mn<2.0%, Cr26~Paper%
, NiIO~30%, Co more than 30% and less than 40%, N
bo. 2 to 3.0%, and 0.5 to 4.0% of one or both of Mo and W, and further NI. 0% or less, T
il. 0% or less, Zrl. It is an alloy characterized in that it contains one or more kinds of 0% or less, the total of which is 1.0% or less, and the balance consists of Fe and ordinary impurities.
本発明のより好ましい合金組成はＣＯ．１５〜０．３％
、Ｓｉミ２．０％、Ｍｎ＜２．０％、Ｃｒ２６〜３５％
、Ｎｉｌ５〜２５％、Ｃｏ３０％を越え３５％以下０．
５〜２．０％でＭｏ，Ｗのどちらか一方もしくは双方を
０．１〜３．０％含みさらにＡＩＯ．２〜０．７％、Ｔ
ｉｏ．２〜０．７％、Ｚｒｏ．２〜０．７％の１種また
は２種以上でその合計で０．２〜０．７％含み残剤花ｅ
および通常の不純物からなる合金である。上記合金成分
範囲の限定理由は以下のごとくである。A more preferred alloy composition of the present invention is CO. 15-0.3%
, Si2.0%, Mn<2.0%, Cr26-35%
, Nil 5-25%, Co more than 30% and less than 35% 0.
5 to 2.0%, and 0.1 to 3.0% of one or both of Mo and W, and further AIO. 2-0.7%, T
io. 2-0.7%, Zro. 2 to 0.7% of one type or two or more types, the total of which is 0.2 to 0.7%.
and an alloy consisting of normal impurities. The reasons for limiting the above range of alloy components are as follows.
Ｃは０．１％未満では高温引張強さクリープ被断強さ、
変形抵抗の低下が著しく０．５％を越えるとＣｒ、Ｎｂ
などの炭化物析出量が増加して腕化が著しいので０．１
〜０．５％に限定する。When C is less than 0.1%, high temperature tensile strength, creep shear strength,
If the deformation resistance significantly decreases by more than 0.5%, Cr, Nb
0.1 because the amount of carbide precipitation increases and the formation of arms is remarkable.
-0.5%.
より望ましくは０．１５〜０．３％である。Ｓｉは耐酸
化性に対して有効な元素であり、また鋳造性を良くする
が、高温強度を低下させるので２．０％以下に限定する
。More preferably, it is 0.15 to 0.3%. Si is an effective element for oxidation resistance and improves castability, but it reduces high temperature strength, so it is limited to 2.0% or less.
Ｍｎは鋳物の鋳造性を良くする元素であり、また脱酸剤
としても有効であるが、高温強度を低下させるので２．
０％以下に限定する。Mn is an element that improves the castability of castings and is also effective as a deoxidizing agent, but it reduces high temperature strength, so 2.
Limited to 0% or less.
Ｃｒは２６％未満では超高温での耐酸化性が不足し３８
％を越えると鋳造がむずかしくなるので２６〜３８％に
限定する。If Cr is less than 26%, oxidation resistance at extremely high temperatures is insufficient38
If it exceeds 26% to 38%, casting becomes difficult, so it is limited to 26-38%.
より望ましくは２６〜３５％である。Ｎｉは１０％禾満
では組織不安定であり３０％を越えるとＳアタックが問
題になるので１０〜３０％に限定する。More preferably, it is 26 to 35%. Ni is limited to 10 to 30% because its structure is unstable at 10% and S attack becomes a problem when it exceeds 30%.
より望ましくは１５〜２５％である。Ｃｏは３０％以下
では組織不安定でありまた密着性の良いスケールが形成
されない。また４０％を越えても顕著な効果が期待でき
ないので３０％を越え４０％以下に限定する。より望ま
しくは３０％を越え３５％以下である。Ｎｂは強力な炭
化物形成元素であるが０．２％未満では析出硬化作用が
顕著ではなく３．０％を越えると鋤性が著しく低下する
ので０．２〜３．０％に限定する。More preferably, it is 15 to 25%. If Co is less than 30%, the structure is unstable and a scale with good adhesion is not formed. Further, even if it exceeds 40%, no significant effect can be expected, so it is limited to more than 30% and less than 40%. More preferably, it is more than 30% and less than 35%. Nb is a strong carbide-forming element, but if it is less than 0.2%, the precipitation hardening effect is not significant, and if it exceeds 3.0%, the plowability is markedly reduced, so it is limited to 0.2 to 3.0%.
より望ましくは０．５〜２．０％である。Ｍｏ，Ｗとも
に強力なマトリックス強化元素でもあり、また炭化物形
成元素でもあるが、０．５％禾満ではその効果が少なく
４．０％を越えると耐酸化性が悪くなるので０．５〜４
．０％に限定する。より望ましくは１．０〜３．０であ
る。なおＭｏとＷは重量％でＭｏｌ％対Ｗ２％の割合で
相互に置換できるものとする。ＡＩ，Ｔｉ，Ｚｒはいず
れも酸素との親和力の大きい元素であり、本発明合金の
表面にち密な酸化被膜を形成し、耐酸化性向上に有効で
あるが１種または２種以上で０．１％未満ではその効果
は少なくまた１．０％を越える添加は大気溶解では組織
安定のためには困難であるので０．１〜１．０％に限定
するより望ましくは０．２〜０．７％である。More preferably, it is 0.5 to 2.0%. Both Mo and W are strong matrix-strengthening elements and are also carbide-forming elements, but their effect is small at 0.5%, and when it exceeds 4.0%, oxidation resistance deteriorates, so 0.5 to 4
．． Limited to 0%. More preferably, it is 1.0 to 3.0. It is assumed that Mo and W can be substituted for each other at a ratio of mol% to W2% in weight%. Al, Ti, and Zr are all elements that have a high affinity for oxygen, and form a dense oxide film on the surface of the alloy of the present invention, which is effective in improving oxidation resistance. If it is less than 1%, the effect is small, and if it exceeds 1.0%, it is difficult to stabilize the structure in atmospheric dissolution, so it is more preferable to limit it to 0.2 to 0.0%. It is 7%.
なお残りはＦｅおよび通常の不純物である。The remainder is Fe and normal impurities.
本発明の実施例を含む各種合金の化学成分組成を第１表
に示す。第 １ 表
第１表において試料Ｎｏ．１はＵｍｃｏ５０の従来合金
であり試料Ｎｏ．２〜Ｎｏ．１４が本発明合金の実施例
である。Table 1 shows the chemical composition of various alloys including examples of the present invention. Table 1 In Table 1, sample No. 1 is a conventional alloy of Umco50 and sample No. 1 is a conventional alloy of Umco50. 2~No. No. 14 is an example of the alloy of the present invention.
第２表は上記第１表に示した試料を１２５０００で２０
時間連続加熱後室温まで冷却し、これを４回くりかえし
た場合の酸化増量を示す。Table 2 shows the samples shown in Table 1 above at 125,000 and 20
The weight gain by oxidation is shown when the sample is heated continuously for a period of time and then cooled to room temperature, and this process is repeated four times.
第２表 表中の試料地は前記第１表の試料Ｎｏ．と対応する。Table 2 The sample locations in the table are the sample numbers in Table 1 above. corresponds to
第２表からわかるように本発明合金はすりかえし加熱に
対する耐酸化性が著しく改善されている。第３表は１０
００℃、４ｋ９／柳２ の条件におけるクリープ被断試
験結果を示す。As can be seen from Table 2, the alloys of the present invention have significantly improved oxidation resistance against reheating. Table 3 is 10
The results of the creep rupture test under the conditions of 00°C and 4k9/Yanagi2 are shown.
第３表 試料Ｎｏは前記第１表の試料Ｎｏ．と対応する。Table 3 Sample No. is the sample No. in Table 1 above. corresponds to
第３表からわかるように本発明合金はクリープ破断強度
が著しく改善されている。第４表は１２００ｏｏにおけ
る高温引張試験結果を示す。As can be seen from Table 3, the creep rupture strength of the alloys of the present invention is significantly improved. Table 4 shows the high temperature tensile test results at 1200oo.
試料地は前記第１表の試料地．と対応する。第４表から
わかるように本発明合金は超高温での引張性質が著しく
改善される。第４表
以上述べたごと〈、本発明合金は１０００℃以上の超高
温ですぐれた高温強度とくりかえし加熱に対する耐酸化
性を備えた合金である。The sample locations are those listed in Table 1 above. corresponds to As can be seen from Table 4, the tensile properties of the alloys of the present invention at extremely high temperatures are significantly improved. As stated above in Table 4, the alloy of the present invention is an alloy that has excellent high-temperature strength at extremely high temperatures of 1000° C. or higher and oxidation resistance against repeated heating.
Claims (1)
ｎ≦２．０％、Ｃｒ２６〜３８％、Ｎｉ１０〜３０％、
Ｃｏ３０％を越え４０％以下、Ｎｂ０．２〜３．０％、
残部Ｆｅおよび通常の不純物からなることを特徴とする
、高温強度およびくりかえし加熱に対する耐酸化性のす
ぐれた鋳造用Ｎｉ−Ｃｒ−Ｃｏ超耐熱合金。 ２ 重量％でＣ０．１５〜０．３％、Ｃｒ２６〜３５％
、Ｎｉ１５〜２５％、Ｃｏ３０％を越え４０％以下、Ｎ
ｂ０．５〜２．０％である特許請求の範囲第１項記載の
高温強度、くりかえし加熱に対する耐酸化性のすぐれた
鋳造用Ｎｉ−Ｃｒ−Ｃｏ超耐熱合金。 ３ 重量％でＣ０．１〜０．５％、Ｓｉ≦２．０％、Ｍ
ｎ≦２．０％、Ｃｒ２６〜３８％、Ｎｉ１０〜３０％、
Ｃｏ３０％を越え４０％以下、Ｎｂ０．２〜３．０％で
、Ｍｏ，Ｗのどちらか一方もしくは、双方を０．５〜４
．０％を含み、残部Ｆｅおよび通常の不純物からなるこ
とを特徴とする、高温強度、くりかえし加熱に対する耐
酸化性のすぐれた鋳造用Ｎｉ−Ｃｒ−Ｃｏ超耐熱合金。 ４ 重量％でＣ０．１５〜０．３％、Ｃｒ２６〜３５％
、Ｎｉ１５〜２５％、Ｃｏ３０％を越え４０％以下、Ｎ
ｂ０．５〜２．０％でＭｏ，Ｗのどちらか一方もしくは
双方は１．０〜３．０％である特許請求の範囲第３項記
載の高温強度、くりかえし加熱に対する耐酸化性のすぐ
れた鋳造用Ｎｉ−Ｃｒ−Ｃｏ超耐熱合金。５ 重量％で
Ｃ０．１〜０．５％、Ｓｉ≦２．０％、Ｍｎ≦２．０％
、Ｃｒ２６〜３８％、Ｎｉ１０〜３０％、Ｃｏ３０％を
越え４０％以下、Ｎｂ０．２〜３．０％、Ａｌ，Ｔｉ，
Ｚｒのうちの１種または２種以上を０．１〜１．０％含
有し、残部Ｆｅおよび通常の不純物からなることを特徴
とする、高温強度、くりかえし加熱に対する耐酸化性の
すぐれた鋳造用Ｎｉ−Ｃｒ−Ｃｏ合金。 ６ 重量％でＣ０．１５〜０．３％、Ｃｒ２６〜３５％
、Ｎｉ１５〜２５％、Ｃｏ３０％を越え３５％以下、Ｎ
ｂ０．５〜２．０％、Ａｌ，Ｔｉ，Ｚｒのうちの一種ま
たは二種以上は０．２〜０．７である特許請求の範囲第
５項記載の高温強度、くりかえし加熱に対する耐酸化性
のすぐれた鋳造用Ｎｉ−Ｃｒ−Ｃｏ超耐熱合金。 ７ 重量％でＣ０．１〜０．５％、Ｓｉ≦２．０％、Ｍ
ｎ≦２．０％、Ｃｒ２６〜３８％、Ｎｉ１０〜３０％、
Ｃｏ３０％を越え４０％以下、Ｎｂ０．２〜３．０％で
Ｍｏ，Ｗのどちらか一方もしくは双方を０．５〜４．０
％含み、さらＡｌ，Ｔｉ，Ｚｒのうちの１種または２種
以上を０．１〜１．０％含有し、残部Ｆｅおよび通常の
不純物からなることを特徴とする、高温強度、くりかえ
し加熱に対する耐酸化性のすぐれた鋳造用Ｎｉ−Ｃｒ−
Ｃｏ超耐熱合金。 ８ 重量％でＣ０．１５〜０．３％、Ｃｒ２６〜３５％
、Ｎｉ１５〜２５％、Ｎｂ０．５〜２．０％でＭｏ，Ｗ
のどちらか一方もしくは双方を１．０〜３．０％含み、
さらにＡｌ，Ｔｉ，Ｚｒのうちの１種または２種以上を
０．２〜０．７含有する特許請求の範囲第７項記載の高
温強度、くりかえし加熱に対する耐酸化性のすぐれた鋳
造用Ｎｉ−Ｃｒ−Ｃｏ超耐熱合金。[Claims] 1% by weight: C0.1-0.5%, Si≦2.0%, M
n≦2.0%, Cr26-38%, Ni10-30%,
Co more than 30% and less than 40%, Nb 0.2 to 3.0%,
A Ni-Cr-Co super heat-resistant alloy for casting which has excellent high-temperature strength and oxidation resistance against repeated heating, the balance being Fe and ordinary impurities. 2% by weight: C0.15-0.3%, Cr26-35%
, Ni 15-25%, Co more than 30% and less than 40%, N
The Ni-Cr-Co super heat-resistant alloy for casting having excellent high-temperature strength and oxidation resistance against repeated heating according to claim 1, wherein b is 0.5 to 2.0%. 3 C0.1-0.5% by weight, Si≦2.0%, M
n≦2.0%, Cr26-38%, Ni10-30%,
Co more than 30% and less than 40%, Nb 0.2-3.0%, Mo, W or both 0.5-4
．． 1. A Ni-Cr-Co super heat-resistant alloy for casting, which has excellent high-temperature strength and oxidation resistance against repeated heating, and is characterized by containing 0% Fe and ordinary impurities. 4 C0.15-0.3%, Cr26-35% in weight%
, Ni 15-25%, Co more than 30% and less than 40%, N
b0.5 to 2.0%, and one or both of Mo and W is 1.0 to 3.0%.Excellent high temperature strength and oxidation resistance against repeated heating according to claim 3. Ni-Cr-Co super heat-resistant alloy for casting. 5 C0.1-0.5% by weight, Si≦2.0%, Mn≦2.0%
, Cr 26-38%, Ni 10-30%, Co over 30% but not more than 40%, Nb 0.2-3.0%, Al, Ti,
Casting material with excellent high-temperature strength and oxidation resistance against repeated heating, characterized by containing 0.1 to 1.0% of one or more of Zr, with the remainder consisting of Fe and normal impurities. Ni-Cr-Co alloy. 6% by weight: C0.15-0.3%, Cr26-35%
, Ni 15-25%, Co more than 30% and less than 35%, N
high temperature strength and oxidation resistance against repeated heating according to claim 5, wherein b0.5 to 2.0%, and one or more of Al, Ti, and Zr is 0.2 to 0.7. An excellent Ni-Cr-Co super heat-resistant alloy for casting. 7 C0.1-0.5% by weight, Si≦2.0%, M
n≦2.0%, Cr26-38%, Ni10-30%,
Co more than 30% and less than 40%, Nb 0.2 to 3.0%, and one or both of Mo and W 0.5 to 4.0%
%, and further contains 0.1 to 1.0% of one or more of Al, Ti, and Zr, with the balance consisting of Fe and normal impurities, and has high temperature strength and resistance to repeated heating. Ni-Cr- for casting with excellent oxidation resistance
Co super heat resistant alloy. 8% by weight: C0.15-0.3%, Cr26-35%
, Mo, W with Ni 15-25%, Nb 0.5-2.0%
Contains 1.0 to 3.0% of either or both of
Further, the Ni- for casting having excellent high temperature strength and oxidation resistance against repeated heating as claimed in claim 7, which contains 0.2 to 0.7 of one or more of Al, Ti, and Zr. Cr-Co super heat resistant alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52058673A JPS6041137B2 (en) | 1977-05-23 | 1977-05-23 | Ni-Cr-Co super heat-resistant alloy for casting with excellent high-temperature strength and oxidation resistance against repeated heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52058673A JPS6041137B2 (en) | 1977-05-23 | 1977-05-23 | Ni-Cr-Co super heat-resistant alloy for casting with excellent high-temperature strength and oxidation resistance against repeated heating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53144411A JPS53144411A (en) | 1978-12-15 |
| JPS6041137B2 true JPS6041137B2 (en) | 1985-09-14 |
Family
ID=13091093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52058673A Expired JPS6041137B2 (en) | 1977-05-23 | 1977-05-23 | Ni-Cr-Co super heat-resistant alloy for casting with excellent high-temperature strength and oxidation resistance against repeated heating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6041137B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5226980A (en) * | 1990-02-06 | 1993-07-13 | Diado Tokushuko Kabushiki Kaisha | Skid rail alloy |
| US8075839B2 (en) | 2006-09-15 | 2011-12-13 | Haynes International, Inc. | Cobalt-chromium-iron-nickel alloys amenable to nitride strengthening |
-
1977
- 1977-05-23 JP JP52058673A patent/JPS6041137B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53144411A (en) | 1978-12-15 |
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