JPH079048B2 - Corrosion resistant Ni-base alloy wire rod with high strength and hardness - Google Patents
Corrosion resistant Ni-base alloy wire rod with high strength and hardnessInfo
- Publication number
- JPH079048B2 JPH079048B2 JP10170786A JP10170786A JPH079048B2 JP H079048 B2 JPH079048 B2 JP H079048B2 JP 10170786 A JP10170786 A JP 10170786A JP 10170786 A JP10170786 A JP 10170786A JP H079048 B2 JPH079048 B2 JP H079048B2
- Authority
- JP
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- Prior art keywords
- hardness
- high strength
- alloy wire
- based alloy
- balance
- 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.)
- Expired - Lifetime
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Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、高強度および高硬度を有し、かつ耐食性に
もすぐれたNi基合金線材に関するものである。TECHNICAL FIELD The present invention relates to a Ni-base alloy wire having high strength and high hardness and excellent in corrosion resistance.
サワーガス油田装置や化学プラントなどのワイヤロープ
として、また例えば時計やドットプリンター、さらに分
析装置などの精密機械のゼンマイやドットピン、さらに
駆動ベルトなどとして、特に腐食性の雰囲気で使用され
る用途には、基本的に、重量%で(以下%は重量%を示
す)、 Cr:15〜16%、 Mo:15〜16%、 を含有し、さらに必要に応じて、 W:3〜5%、 Fe:3〜5%、 のうちの1種以上を含有し、残りがNiと不可避不純物か
らなる代表的組成を有する耐食性Ni基合金線材が用いら
れている。For wire ropes used in sour gas field equipment and chemical plants, and for clocks, dot printers, springs and dot pins for precision machines such as analyzers, and drive belts, especially for applications used in corrosive atmospheres. Basically, in% by weight (hereinafter% indicates% by weight), Cr: 15-16%, Mo: 15-16%, and if necessary, W: 3-5%, Fe A corrosion-resistant Ni-base alloy wire rod is used which has a typical composition containing at least one of: 3 to 5%, and the balance being Ni and inevitable impurities.
しかし、近年、上記の産業分野においても軽量化および
細径化が要求されるようになってきたが、上記の従来耐
食性Ni基合金線材は、すぐれた耐食性をもつものの、強
度および硬さが不十分なために、これらの要求を満足さ
せることができないのが現状である。However, in recent years, there has been a demand for weight reduction and diameter reduction even in the above-mentioned industrial fields.The above-mentioned conventional corrosion-resistant Ni-based alloy wire has excellent corrosion resistance, but strength and hardness are not sufficient. At present, it is not possible to satisfy these requirements because they are sufficient.
そこで、本発明者等は、上述のような観点から、すぐれ
た耐食性を有する上記の従来Ni基合金線材に着目し、こ
れのもつ耐食性を損なうことなく、これに高強度と高硬
度を付与すべく研究を行なった結果、 Cr:12〜20%、 Mo:10〜20%、 Al:1〜3%、 Ti:0.1〜2%、 を含有し、さらに必要に応じて、 (a) Fe:1〜20%、 (b) Co:0.1〜5%、 (c) W,Cu、およびVのうちの1種または2種以上:
0.1〜5%、 以上(a)〜(c)のうちの1種または2種以上を含有
し、残りがNiと不可避不純物からなる組成を有するNi基
合金線材は、基本的にすぐれた耐食性を有し、かつ素地
中に微細に析出した金属間化合物によって高強度と高硬
度を具備するようになるという知見を得たのである。Therefore, the present inventors, from the above viewpoint, pay attention to the above-mentioned conventional Ni-based alloy wire rod having excellent corrosion resistance, and impart high strength and high hardness to it without impairing the corrosion resistance of the wire rod. As a result of conducting various studies, it contains Cr: 12 to 20%, Mo: 10 to 20%, Al: 1 to 3%, Ti: 0.1 to 2%, and if necessary, (a) Fe: 1 to 20%, (b) Co: 0.1 to 5%, (c) one or more of W, Cu, and V:
A Ni-based alloy wire rod containing 0.1 to 5%, one or more of the above (a) to (c), and the balance consisting of Ni and unavoidable impurities has basically excellent corrosion resistance. It has been found that the intermetallic compound that has the above-mentioned properties and is finely precipitated in the matrix provides high strength and high hardness.
この発明は、上記知見にもとづいてなされたものであっ
て、以下に、成分組成を上記の通りに限定した理由を説
明する。The present invention has been made based on the above findings, and the reason why the component composition is limited as described above will be described below.
(a) CrおよびMo CrおよびMo成分には、供に素地に固溶して、これの耐食
性を向上させるほか、素地に微細に分散する金属間化合
物を形成して、Ni基合金線材の強度と硬さを向上させる
作用があるが、その含有量がCr:12%未満およびMo:10%
未満では前記作用に所望の効果が得られず、一方その含
有量がそれぞれ20%を越えると塑性加工性が劣化するよ
うになることから、その含有量を、それぞれCr:12〜20
%、Mo:10〜20%と定めた。(A) Cr and Mo Cr and Mo components are solid-solved in the base material to improve the corrosion resistance of the base material and form an intermetallic compound finely dispersed in the base material to improve the strength of the Ni-based alloy wire. Has the effect of improving hardness, but the content of Cr: less than 12% and Mo: 10%
If the content is less than the desired effect is not obtained, on the other hand, if the content exceeds 20%, the plastic workability deteriorates.
%, Mo: 10 to 20%.
(b) AlおよびTi これらの成分は、素地中に金属間化合物として析出し、
CrとMoの金属間化合物との共存において、強度と硬さを
一段と向上させる作用をもつが、その含有量が、それぞ
れAl:1%未満、およびTi:0.1%未満では金属間化合物の
析出形成による強度および硬度に著しい向上効果が得ら
れず、一方、その含有量が、それぞれAl:3%およびTi:2
%を越えると塑性加工性および耐食性が劣化するように
なることから、その含有量を、それぞれAl:1〜3%、T
i:0.1〜2%と定めた。(B) Al and Ti These components are precipitated in the matrix as an intermetallic compound,
In the coexistence of Cr and Mo intermetallic compounds, it has the effect of further improving strength and hardness, but if the contents are Al: less than 1% and Ti: less than 0.1%, precipitation formation of intermetallic compounds occurs. No significant improvement in strength and hardness was obtained, while the contents were Al: 3% and Ti: 2, respectively.
%, The plastic workability and corrosion resistance will deteriorate. Therefore, the contents of Al are 1 to 3% and T, respectively.
i: 0.1 to 2%
(c) Fe Fe成分は、これを一部Niの代替成分として含有させても
線材の特性が損なわれることがない経済的効果をもつの
で、必要に応じて含有されるが、その含有量が1%未満
では経済的効果が不十分であり、一方その含有量が20%
を越えると、Ni基合金線材の耐食性が劣化するようにな
ることから、その含有量を1〜20%と定めた。(C) Fe The Fe component has an economic effect of not impairing the characteristics of the wire even if it is partially contained as a substitute component of Ni, so it is contained as necessary. If it is less than 1%, the economic effect is insufficient, while its content is 20%.
If the content exceeds the range, the corrosion resistance of the Ni-based alloy wire will deteriorate, so the content was defined as 1 to 20%.
なお、Ni基合金線材中に、Fe成分が不可避不純物として
1%未満の範囲で含有する場合があるが、以上の点か
ら、これによって線材の特性は何ら損なわれるものでは
なく、許容されることは勿論である。The Ni-based alloy wire may contain Fe as an unavoidable impurity in the range of less than 1%. From the above points, however, the characteristics of the wire are not impaired and are allowed. Of course.
(d) Co Co成分には、機械的性質、特に硬さを一段と向上させる
作用があるので、特に高硬度が要求される場合に必要に
応じて含有されるが、その含有量が0.1%未満では所望
の硬さ向上効果が得られず、一方その含有量が5%を越
えると、線材に脆化傾向が現われるようになることか
ら、その含有量を0.1〜5%と定めた。(D) Co The Co component has an action of further improving mechanical properties, particularly hardness, and thus is contained as necessary when particularly high hardness is required, but the content thereof is less than 0.1%. However, the desired hardness improving effect cannot be obtained, and when the content exceeds 5%, the wire tends to become brittle, so the content was set to 0.1 to 5%.
(e) W,Cu、およびV これらの成分には、線材の耐食性を一段と向上させる作
用があるので、必要に応じて含有されるが、その含有量
が0.1%未満では所望の耐食性向上効果が得られず、一
方その含有量が5%を越えると塑性加工が困難になるこ
とから、その含有量を0.1〜5%と定めた。(E) W, Cu, and V These components have the effect of further improving the corrosion resistance of the wire, so they are contained as necessary, but if the content is less than 0.1%, the desired corrosion resistance improving effect is obtained. However, if the content exceeds 5%, plastic working becomes difficult, so the content was set to 0.1 to 5%.
(f) 不可避不純物 合金溶製時に脱酸剤や脱硫剤を使用するので、不可避不
純物としてMn,Ca,Mg,C、およびSiなどの含有は避けられ
ないが、これらの含有量が、それぞれMn:0.1%以下、C
a:0.1%以下、Mg:0.05%以下、C:0.02%以下、およびS
i:0.1%以下であれば、線材のもつ特性に悪影響を及ぼ
すものではない。(F) Inevitable impurities Since deoxidizers and desulfurizers are used during alloy melting, the inclusion of Mn, Ca, Mg, C, and Si as unavoidable impurities is unavoidable. : 0.1% or less, C
a: 0.1% or less, Mg: 0.05% or less, C: 0.02% or less, and S
If i: 0.1% or less, the characteristics of the wire will not be adversely affected.
つぎに、この発明のNi基合金線材を実施例により具体的
に説明する。Next, the Ni-based alloy wire rod of the present invention will be specifically described with reference to examples.
通常の進行溶解法を用いて、それぞれ第1,2表に示され
る成分組成をもった溶湯を調製し、直径:30mm×長さ:20
0mmの寸法をもったインゴットに鋳造し、このインゴッ
トを熱間溝ロール加工により直径:9mmの熱延線材とし、
この熱延線材に、1010〜1250℃の温度に加熱後、水冷の
熱処理と冷間線引加工を繰り返し施して直径:0.5mmの冷
延線材とし、これに500〜800℃の温度で時効処理を施す
ことによって本発明Ni基合金線材1〜26および従来Ni基
合金線材1〜4をそれぞれ製造した。Using the usual progressive melting method, melts each having the component composition shown in Tables 1 and 2 were prepared, and the diameter was 30 mm and the length was 20 mm.
Cast into an ingot with a dimension of 0 mm, and make this ingot a hot-rolled wire with a diameter of 9 mm by hot groove roll processing,
This hot-rolled wire is heated to a temperature of 1010 to 1250 ° C, and then repeatedly subjected to water-cooling heat treatment and cold wire drawing to form a cold-rolled wire with a diameter of 0.5 mm, which is then aged at a temperature of 500 to 800 ° C. The Ni-based alloy wire rods 1 to 26 of the present invention and the conventional Ni-based alloy wire rods 1 to 4 were manufactured by applying the above.
ついで、この結果得られた本発明Ni基合金線材1〜26お
よび従来Ni基合金線材1〜4について、強度を評価する
目的で引張り強さを、また硬さを評価する目的でマイク
ロビッカース硬さを測定し、さらに耐食性を評価する目
的で、30℃ の10重量%HCl水溶液中に48時間浸漬の腐食試験を行な
い、腐食減量を求めた。これらの結果を第3表に示し
た。The resulting Ni-based alloy wire rods 1-26 of the present invention and the conventional Ni-based alloy wire rods 1-4 were then tested for tensile strength for the purpose of evaluating strength, and micro Vickers hardness for the purpose of evaluating hardness. At 30 ℃ for the purpose of measuring corrosion resistance and evaluating corrosion resistance. The corrosion weight loss was calculated by performing a corrosion test by immersing in a 10 wt% HCl aqueous solution for 48 hours. The results are shown in Table 3.
第1〜3表に示される結果から、本発明Ni基合金線材1
〜26は、いずれも従来Ni基合金線材1〜4と同等のすぐ
れた耐食性を有し、かつこれより一段と高い強度と硬さ
をもつことが明らかである。From the results shown in Tables 1 to 3, the present invention Ni-based alloy wire rod 1
It is apparent that all of Nos. 26 to 26 have excellent corrosion resistance equivalent to that of the conventional Ni-based alloy wires 1 to 4 and have much higher strength and hardness.
上述のように、この発明のNi基合金線材は、すぐれた耐
食性を有し、さらに著しく高い強度と硬さをもつので、
これの軽量化および細径化を可能とした状態で、すぐれ
た性能を長期に亘って発揮するなど工業上有用な特性を
有するのである。As described above, the Ni-based alloy wire of the present invention has excellent corrosion resistance, and further has extremely high strength and hardness,
It has industrially useful properties such as excellent performance over a long period of time in a state where it is possible to reduce its weight and diameter.
Claims (8)
重量%)を有し、かつ金属間化合物の微細析出組織を有
することを特徴とする高強度および高硬度を有する耐食
性Ni基合金線材。1. A composition containing Cr: 12 to 20%, Mo: 10 to 20%, Al: 1 to 3%, Ti: 0.1 to 2%, and the balance of Ni and inevitable impurities (more than weight%). ) And having a fine precipitation structure of an intermetallic compound, a corrosion resistant Ni-based alloy wire rod having high strength and hardness.
重量%)を有し、かつ金属間化合物の微細析出組織を有
することを特徴とする高強度および高硬度を有する耐食
性Ni基合金線材。2. Cr: 12 to 20%, Mo: 10 to 20%, Al: 1 to 3%, Ti: 0.1 to 2%, and Fe: 1 to 20%. A corrosion-resistant Ni-based alloy wire rod having high strength and high hardness, characterized in that the remainder has a composition of Ni and inevitable impurities (at least by weight) and has a fine precipitation structure of an intermetallic compound.
重量%)を有し、かつ金属間化合物の微細析出組織を有
することを特徴とする高強度および高硬度を有する耐食
性Ni基合金線材。3. Cr: 12 to 20%, Mo: 10 to 20%, Al: 1 to 3%, Ti: 0.1 to 2%, and further, Co: 0.1 to 5%, A corrosion-resistant Ni-based alloy wire rod having high strength and high hardness, characterized in that the remainder has a composition of Ni and inevitable impurities (at least by weight) and has a fine precipitation structure of an intermetallic compound.
%、 を含有し、残りがNiと不可避不純物からなる組成(以上
重量%)を有し、かつ金属間化合物の微細析出組織を有
することを特徴とする高強度および高硬度を有する耐食
性Ni基合金線材。4. Cr: 12 to 20%, Mo: 10 to 20%, Al: 1 to 3%, Ti: 0.1 to 2%, and one of W, Cu and V. Or two or more: 0.1-5
%, A balance of Ni and unavoidable impurities in the balance (above wt%), and a fine precipitation structure of intermetallic compounds, which has high strength and hardness, and is a corrosion resistant Ni-based alloy. wire.
重量%)を有し、かつ金属間化合物の微細析出組織を有
することを特徴とする高強度および高硬度を有する耐食
性Ni基合金線材。5. Cr: 12-20%, Mo: 10-20%, Al: 1-3%, Ti: 0.1-2%, Fe: 1-20%, Co: 0.1- Corrosion-resistant Ni base having high strength and high hardness, characterized by containing 5% and a balance of Ni and unavoidable impurities (above wt%) and having a fine precipitation structure of intermetallic compounds. Alloy wire rod.
%、 を含有し、残りがNiと不可避不純物からなる組成(以上
重量%)を有し、かつ金属間化合物の微細析出組織を有
することを特徴とする高強度および高硬度を有する耐食
性Ni基合金線材。6. Cr: 12 to 20%, Mo: 10 to 20%, Al: 1 to 3%, Ti: 0.1 to 2%, and further Fe: 1 to 20%, W, Cu, And one or more of V and: 0.1 to 5
%, A balance of Ni and unavoidable impurities in the balance (above wt%), and a fine precipitation structure of intermetallic compounds, which has high strength and hardness, and is a corrosion resistant Ni-based alloy. wire.
%、 を含有し、残りがNiと不可避不純物からなる組成(以上
重量%)を有し、かつ金属間化合物の微細析出組織を有
することを特徴とする高強度および高硬度を有する耐食
性Ni基合金線材。(7) Cr: 12 to 20%, Mo: 10 to 20%, Al: 1 to 3%, Ti: 0.1 to 2%, and further Co: 0.1 to 5%, W, Cu, And one or more of V and: 0.1 to 5
%, A balance of Ni and unavoidable impurities in the balance (above wt%), and a fine precipitation structure of intermetallic compounds, which has high strength and hardness, and is a corrosion resistant Ni-based alloy. wire.
%、 を含有し、残りがNiと不可避不純物からなる組成(以上
重量%)を有し、かつ金属間化合物の微細析出組織を有
することを特徴とする高強度および高硬度を有する耐食
性Ni基合金線材。(8) Cr: 12 to 20%, Mo: 10 to 20%, Al: 1 to 3%, Ti: 0.1 to 2%, further Fe: 1 to 20%, Co: 0.1 to 5%, one or more of W, Cu, and V: 0.1 to 5
%, A balance of Ni and unavoidable impurities in the balance (above wt%), and a fine precipitation structure of intermetallic compounds, which has high strength and hardness, and is a corrosion resistant Ni-based alloy. wire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10170786A JPH079048B2 (en) | 1986-05-01 | 1986-05-01 | Corrosion resistant Ni-base alloy wire rod with high strength and hardness |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10170786A JPH079048B2 (en) | 1986-05-01 | 1986-05-01 | Corrosion resistant Ni-base alloy wire rod with high strength and hardness |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62260033A JPS62260033A (en) | 1987-11-12 |
JPH079048B2 true JPH079048B2 (en) | 1995-02-01 |
Family
ID=14307778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10170786A Expired - Lifetime JPH079048B2 (en) | 1986-05-01 | 1986-05-01 | Corrosion resistant Ni-base alloy wire rod with high strength and hardness |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH079048B2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7160400B2 (en) | 1999-03-03 | 2007-01-09 | Daido Tokushuko Kabushiki Kaisha | Low thermal expansion Ni-base superalloy |
JP3781402B2 (en) * | 1999-03-03 | 2006-05-31 | 三菱重工業株式会社 | Low thermal expansion Ni-base superalloy |
JP4679942B2 (en) * | 2005-03-18 | 2011-05-11 | 山陽特殊製鋼株式会社 | Ni-based overlaying powder for molds used hot and hot molds |
CN104745882A (en) * | 2013-12-27 | 2015-07-01 | 新奥科技发展有限公司 | A nickel based alloy and applications thereof |
US10513757B2 (en) | 2014-08-05 | 2019-12-24 | Tohoku University | Corrosion-resistant, high-hardness alloy composition and method for producing same |
JP7406329B2 (en) * | 2019-09-02 | 2023-12-27 | 山陽特殊製鋼株式会社 | Ni-Cr-Mo precipitation hardening alloy |
-
1986
- 1986-05-01 JP JP10170786A patent/JPH079048B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS62260033A (en) | 1987-11-12 |
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