JP5225855B2 - オイルパッチ用途のための高強度耐食性合金およびその製造方法 - Google Patents
オイルパッチ用途のための高強度耐食性合金およびその製造方法 Download PDFInfo
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- 229910045601 alloy Inorganic materials 0.000 title claims description 94
- 239000000956 alloy Substances 0.000 title claims description 94
- 230000007797 corrosion Effects 0.000 title claims description 34
- 238000005260 corrosion Methods 0.000 title claims description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 238000000034 method Methods 0.000 claims description 16
- 229910052804 chromium Inorganic materials 0.000 claims description 15
- 229910052750 molybdenum Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 229910052719 titanium Inorganic materials 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 229910052758 niobium Inorganic materials 0.000 claims description 11
- 238000000137 annealing Methods 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 238000003483 aging Methods 0.000 claims description 8
- 230000032683 aging Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000011282 treatment Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003129 oil well Substances 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 claims 1
- 239000010936 titanium Substances 0.000 description 26
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 24
- 239000011651 chromium Substances 0.000 description 17
- 239000010955 niobium Substances 0.000 description 16
- 239000011159 matrix material Substances 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 12
- 239000003921 oil Substances 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 239000010949 copper Substances 0.000 description 10
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 229910017150 AlTi Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 2
- 229910017060 Fe Cr Inorganic materials 0.000 description 2
- 229910002544 Fe-Cr Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 239000000788 chromium alloy Substances 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101000993059 Homo sapiens Hereditary hemochromatosis protein Proteins 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910003271 Ni-Fe Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009419 refurbishment Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000010313 vacuum arc remelting Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
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Description
本発明は、一般的には耐食性合金に、より詳しくは、高強度、耐食性および妥当なコストが望ましい属性である、腐食性のオイルおよびガス井戸および海洋環境に特に有用な、ニッケル-鉄-クロム合金に関する。
古く、浅い、腐食性の低いオイルおよびガス井戸が枯渇するにつれて、腐食性がより高い環境に直面する、より深い掘削を可能にするための、強度および耐食性がより高い材料が求められる。
合金の化学組成(重量%)
合金# Fe Ni Cr Mo Cu C Al Nb Ti
1 28.2 42.9 20.5 3.4 2.2 0.010 0.2 0.3 2.3
2 27.4 42.9 20.4 3.4 1.6 0.021 0.5 1.0 2.5
3 23.7 47.0 20.5 3.3 2.0 0.009 0.2 1.0 2.3
4 23.4 47.0 20.4 3.3 2.0 0.008 0.5 1.0 2.4
5 20.9 48.8 20.5 3.3 2.1 0.008 1.0 1.0 2.4
6 25.7 43.8 20.4 3.4 1.9 0.017 0.4 2.9 1.4
7 25.2 44.2 19.5 3.4 2.0 0.006 0.3 3.8 1.6
8 25.4 43.8 20.5 3.5 2.0 0.002 0.4 3.2 1.2
9 25.2 43.7 20.5 3.5 2.1 0.003 0.4 3.7 0.9
10 27.0 42.9 20.0 3.3 2.0 0.012 0.2 3.0 1.5
注 合金1、2および6〜9は、VIM融解させ、合金3〜5および10は、VIM+VAR融解させた。VIMは、真空誘導融解を意味し、VARは、真空アーク再融解させたことを意味する。
熱処理
熱処理 初期加熱(アニーリング) 再加熱(時効処理)
A 1875°F/1時間、WQ 1350°F/8時間、FC〜1150° F/8時間、AC
B 1875°F/1時間、WQ 1365°F/8時間、FC〜1150° F/8時間、AC
C 1900°F/ 時間、WQ 1350°F/8時間、FC〜1150° F/8時間、AC
D 1900°F/ 時間、WQ 1365°F/8時間、FC〜1150° F/8時間、AC
E 1925°F/1時間、WQ 1350°F/10時間、FC〜1150°F/8時間、AC
F 2025°F/ 時間、WQ 1325°F/8時間、FC〜1150° F/8時間、AC
WQ=水急冷、FC=100°F/時間で炉冷却、AC=空気冷却
室温機械的特性。衝撃および硬度は、3試験データの平均である。番号1および2は、50ポンドVIM合金であり、3〜5は、135ポンドVIM+VAR加熱処理である。
合金# 熱処理 YS,ksi UTS,ksi 伸長 ROA 衝撃強度 硬度
0.2% % % ft-lbs Rc
1 B 110.8 167.8 24.1 31.1 24.3 33.8
111.1 168.1 24.4 30.1
2 B 111.4 175.1 23.6 25.3 23.0 38.6
109.3 165.6 21.3 28.7
3 B 113.8 175.0 25.7 34.0 31 36.4
116.3 175.5 25.3 33.5
4 B 112.7 178.3 26.6 37.2 40.7 36.9
114.3 179.2 26.0 39.9
5 B 110.1 180.1 26.5 34.5 39.0 38.3
107.5 179.0 25.9 31.8
YS=0.2%降伏強度、UTS=極限引張強度、ROA=面積低下
室温機械的特性。衝撃および硬度は、3試験データの平均である。番号6〜9は、50 lb. VIM合金であり、10は、135 lb. VIM+VAR合金である。
合金# 熱処理 YS,ksi UTS,ksi 伸長 ROA 衝撃強度 硬度
0.2% % % ft-lbs Rc
6 A 126.7 172.0 27.6 41.1 38.0 37.5
125.4 172.4 27.6 39.8
7 F 143.5 179.4 21.2 28.0 33 36.2
142.9 178.2 21.4 28.6
144.8 180.2 20.4 25.7
8 E 127.2 169.1 25.4 31.2 48.3 36.7
132.9 173.2 25.6 28.6
9 F 136.7 170.5 23.6 31.5 47.3 38.0
135.1 169.2 24.9 35.7
10 A 139.4 179.4 24.2 37.9 31.7 37.6
135.9 178.1 24.5 37.4
10 C 136.2 177.7 24.0 31.6 40 39.7
136.8 176.8 24.4 32.4
10 D 134.5 176.5 22.1 28.8 29.3 39.5
138.4 176.0 28.8 28.8
YS=0.2%降伏強度、UTS=極限引張強度、ROA=面積低下
硬化元素の重量百分率の比、平均測定0.2%降伏強度、およびThermoCalcにより測定した強化相の計算量
合金# (Nb-7.75C)/(Al+Ti) 降伏強度、ksi γ’重量% γ”重量%
1 0.12 111.0 11.3 0
2 0.33 110.4 14.2 0
3 0.40 115.0 13.0 0
4 0.34 113.5 16.1 0
5 0.29 108.8 16.7 0
6 1.6 126.0 12.2 2.6
7 2.00 143.7 11.5 6.5
8 2.00 130.0 10.5 4.4
9 2.84 135.9 8.1 6.6
10 1.76 136.5 9.6 4.6
表2〜4に記載するようにアニーリングおよび時効処理した合金試料
低ひずみ速度腐食試験結果。試験は、300°Fで脱気した25%NaCl中、CO2400 psigおよびH2S400 psig下で行った。時間と損傷(TTF)、伸長%(EL)、および面積低下(RA)%およびそれらの環境/空気中の比を以下に記載する。これはC熱処理による合金#10であった。
試験 TTF, %EL %RA 環境/空気比 平均比
履歴 時間 TTF %EL %RA TTF %EL %RA
空気 18 25.9 36.8
環境 15.3 22.0 29.4 0.85 0.85 0.80 0.85 0.85 0.79
環境 15.7 22.6 27.5 0.87 0.87 0.75
環境 15.1 21.7 29.7 0.84 0.84 0.81
(Nb−7.75C) =0.5〜9
(Al+Ti)
を満足せず、従って、所望の最小降伏強度120 ksiを達成していないことが分かる。合金1〜5の平均降伏強度は109〜115 ksiであった。一方、本発明の合金6〜10は、表5で、上記の式を満足する計算値を有し、平均降伏強度126〜144 ksiを達成していることが分かる。上記式の計算値が本発明による所望の範囲0.5〜9に入る場合、合金マトリックス中に最低1重量%のγ”相が、γ’相と共に、存在し、γ’+γ”相の総重量%が約10〜30%になり、これが所望の最低120 ksiを超える高い降伏強度を与えている。表5で、上記の式を満足していない合金1〜5は、γ”相を含まないのに対し、本発明の合金6〜10は、2.6〜6.6重量%のγ”相を、8.1〜12.2%のγ’相と共に、マトリックス中に含むことが分かる。本発明の合金は、好ましくは1〜10重量%のγ”相を含む。γ’+γ”重量%の合計は、10〜30、好ましくは12〜25である。
化学組成(重量%)
広い 中間 狭い 公称
Ni 35〜55 38〜53 38〜52 43
Cr 12〜25 16〜23 18〜23 20
Mo 0.5〜5 1.0〜4.8 1.0〜4.5 3.0
Cu 0〜3 0.2〜3 0.5〜3 2
Nb 2.1〜4.5 2.2〜4.3 2.5〜4 3.5
Ti 0.5〜3 0.6〜2.8 0.7〜2.5 1.5
Al 0〜0.7 0.01〜0.7 0.05〜0.7 0.2
C 0.005〜0.04 0.005〜0.03 0.005〜0.025 0.01
Fe 残部 * 残部 * 残部 * 残部 *
(Nb-(7.75C)/(Al+Ti) 0.5〜9 0.5〜8 0.5〜6 2.01
* +不可避不純物および脱酸剤
(Nb−7.75C) =0.5〜9
(Al+Ti)
を満足させ、確実に合金マトリックスがγ’およびγ”相の混合物を含み、最低1重量%のγ”相およびγ’およびγ”の合計重量%10〜30である必要がある。
Claims (15)
- Ni:35〜55%、Cr:12〜25%、Mo:0.5〜5%、Cu:3%以下、Nb:2.1〜4.5%、Ti:0.5〜3%、Al:0.7%以下、C:0.005〜0.04%、残部Feおよび不可避不純物ならびに脱酸剤を含んでなる高強度耐食性合金であって、前記合金が式:
(Nb−7.75C) =0.5〜9
(Al+Ti)
を満足し、前記合金が、γ’およびγ”相の、γ”が最低1重量%である混合物を含み、最小降伏強度が、アニーリングおよび時効処理した状態で826.8MPa(120 ksi)である、合金。 - γ’+γ”の総重量%が10〜30%である、請求項1に記載の合金。
- Fe:16〜35%を含む、請求項1に記載の合金。
- Ni:38〜53%、Cr:16〜23%、Mo:1〜4.8%、Cu:0.2〜3.0%、Nb:2.2〜4.3%、Ti:0.6〜2.8%、Al:0.01〜0.7%、およびC:0.005〜0.03%を含む、請求項1に記載の合金。
- γ’およびγ”相の、γ”相が最低1重量%である混合物を含み、γ’+γ”の総重量%が10〜30%である、請求項4に記載の合金。
- Ni:38〜52%、Cr:18〜23%、Mo:1〜4.5%、Cu:0.5〜3%、Nb:2.5〜4%、Ti:0.7〜2.5%、Al:0.05〜0.7%、およびC:0.005〜0.025%を含む、請求項1に記載の合金。
- γ’+γ”相の総重量%が10〜30%である、請求項6に記載の合金。
- 1〜10重量%のγ”相を含む、請求項1に記載の合金。
- オイルまたはガス井戸環境もしくは海洋環境で使用するチューブまたはバーの形態にある、請求項1に記載の合金。
- 高強度耐食性合金の製造方法であって、
重量%で、Ni:35〜55%、Cr:12〜25%、Mo:0.5〜5%、Cu:3%以下、Nb:2.1〜4.5%、Ti:0.5〜3%、Al:0.7%以下、C:0.005〜0.04%、残部Feおよび不可避不純物ならびに脱酸剤を含んでなり、前記合金が式:
(Nb−7.75C) =0.5〜9
(Al+Ti)
を満足する合金を用意し、
前記合金をアニーリングおよび少なくとも一つの時効硬化処理工程により熱処理する
工程を含んでなり、それによって、前記合金が、γ’およびγ”相の、γ”相が最低1重量%である混合物を含み、最小降伏強度が826.8MPa(120 ksi)である、方法。 - 二つの時効硬化処理工程を含む、請求項10に記載の方法。
- 前記アニーリング工程が1750°F(954℃)〜2050°F(1121℃)で行われ、前記時効硬化処理が、二つの時効硬化処理工程で、1275°F(691℃)〜1400°F(760℃)および1050°F(565℃)〜1250°F(677℃)で行われる、請求項10に記載の方法。
- 前記アニーリングに続いて急速空気または水冷却を行い、前記第一時効処理工程に続いて、前記第二時効処理温度に炉冷却し、続いて空気冷却を行う、請求項12に記載の方法。
- 前記合金が、総重量%10〜30%のγ’+γ”相を含む、請求項10に記載の方法。
- 前記合金を、ガスまたはオイル井戸環境もしくは海洋環境で使用するチューブまたはバーの形態に成形する工程を含む、請求項10に記載の方法。
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US11/268,069 US7416618B2 (en) | 2005-11-07 | 2005-11-07 | High strength corrosion resistant alloy for oil patch applications |
PCT/US2006/042746 WO2007056036A2 (en) | 2005-11-07 | 2006-10-31 | High strength corrosion resistant alloy for oil patch applications |
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RU2010125217A (ru) * | 2007-11-19 | 2011-12-27 | Хантингтон Эллойз Корпорейшн (Us) | Ультравысокопрочный сплав для жестких условий добычи нефти и газа и способ его получения |
ES2593077T3 (es) * | 2008-11-19 | 2016-12-05 | Sandvik Intellectual Property Ab | Aleación basada en níquel formadora de óxido de aluminio |
DE102011112435B3 (de) * | 2011-09-06 | 2012-10-25 | H.C. Starck Gmbh | Cermetpulver, Verfahren zur Herstellung eines Cermetpulvers, Verwendung der Cermetpulver, Verfahren zur Herstellung eines beschichteten Bauteils, Beschichtetes Bauteil |
US20130133793A1 (en) * | 2011-11-30 | 2013-05-30 | Ati Properties, Inc. | Nickel-base alloy heat treatments, nickel-base alloys, and articles including nickel-base alloys |
US10253382B2 (en) * | 2012-06-11 | 2019-04-09 | Huntington Alloys Corporation | High-strength corrosion-resistant tubing for oil and gas completion and drilling applications, and process for manufacturing thereof |
JP6337514B2 (ja) | 2013-05-21 | 2018-06-06 | 大同特殊鋼株式会社 | 析出硬化型Fe−Ni合金及びその製造方法 |
CN104911406A (zh) * | 2014-03-15 | 2015-09-16 | 紫旭盛业(昆山)金属科技有限公司 | 一种镍铬模具合金 |
JP6347408B2 (ja) * | 2014-09-04 | 2018-06-27 | 日立金属株式会社 | 高強度Ni基合金 |
CN104532097B (zh) * | 2014-12-25 | 2016-08-17 | 钢铁研究总院 | 高强高耐蚀镍基高温合金及其固溶时效热处理方法 |
CN104862534A (zh) * | 2015-05-15 | 2015-08-26 | 新奥科技发展有限公司 | 一种镍基合金及其制备方法和应用 |
CN104862535A (zh) * | 2015-05-15 | 2015-08-26 | 新奥科技发展有限公司 | 一种镍基合金及其制备方法和应用 |
US10563293B2 (en) | 2015-12-07 | 2020-02-18 | Ati Properties Llc | Methods for processing nickel-base alloys |
DE102020106433A1 (de) * | 2019-03-18 | 2020-09-24 | Vdm Metals International Gmbh | Nickel-Legierung mit guter Korrosionsbeständigkeit und hoher Zugfestigkeit sowie Verfahren zur Herstellung von Halbzeugen |
CN113584381B (zh) * | 2021-07-05 | 2023-03-07 | 重庆材料研究院有限公司 | 高强度含铜Ni-Fe-Cr基时效硬化型耐蚀合金及其电渣重熔的方法 |
CN114150207A (zh) * | 2021-10-26 | 2022-03-08 | 重庆材料研究院有限公司 | 高强度Ni-Fe基时效硬化型耐蚀合金及制备方法 |
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