JP6300941B2 - チタンを含まない合金 - Google Patents
チタンを含まない合金 Download PDFInfo
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- JP6300941B2 JP6300941B2 JP2016551821A JP2016551821A JP6300941B2 JP 6300941 B2 JP6300941 B2 JP 6300941B2 JP 2016551821 A JP2016551821 A JP 2016551821A JP 2016551821 A JP2016551821 A JP 2016551821A JP 6300941 B2 JP6300941 B2 JP 6300941B2
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- titanium
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- 239000000956 alloy Substances 0.000 title claims description 41
- 229910045601 alloy Inorganic materials 0.000 title claims description 41
- 229910052750 molybdenum Inorganic materials 0.000 claims description 20
- 238000005260 corrosion Methods 0.000 claims description 16
- 230000007797 corrosion Effects 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000011733 molybdenum Substances 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000009749 continuous casting Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 238000000265 homogenisation Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000010936 titanium Substances 0.000 description 11
- 229910052719 titanium Inorganic materials 0.000 description 11
- 239000011651 chromium Substances 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 9
- 239000010949 copper Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 230000008092 positive effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 238000010313 vacuum arc remelting Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- -1 C is less than 0.25% Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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- 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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- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/0226—Hot rolling
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
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- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
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- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- 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
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
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- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
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- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
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Description
・チタンを含まず、
・高められた耐孔食性および間隙腐食耐性を有し、
・冷間硬化状態で比較的高い弾性限度を有し、
・その温間加工性および溶接性が少なくとも同程度に優れている
合金を提供することである。
Cを最大0.02%
Sを最大0.01%
Nを最大0.03%
Crを20.0%から23.0%まで
Niを39.0%から44.0%まで
Mnを0.4%から1.0%未満まで
Siを0.1%から0.5%未満まで
Moを4.0%超から7.0%未満まで
Nbを最大0.15%
Cuを1.5%超から2.5%未満まで
Alを0.05%から0.3%未満まで
Coを最大0.5%
Bを0.001%から0.005%未満まで
Mgを0.005%から0.015%未満まで
Feを残分として、ならびに溶融に伴う不純物
含む(質量%)、チタンを含まない、高い耐孔食性の合金によって解決される。
Cが最大0.015%
Sが最大0.005%
Nが最大0.02%
Crが21.0%から23%未満まで
Niが39.0%超から43.0%未満まで
Mnが0.5%から0.9%まで
Siが0.2%から0.5%未満まで
Moが4.5%超から6.5%まで
Nbが最大0.15%
Cuが1.6%超から2.3%未満まで
Alが0.06%から0.25%未満まで
Coが最大0.5%
Bが0.002%から0.004%まで
Mgが0.006%から0.015%まで
Feが残分、ならびに溶融に伴う不純物
である組成を有している。
Crは21.5%超から23%未満まで
Crは22.0%から23%未満まで。
Niは39.0%超から42%未満まで
Niは39.0%超から41%未満まで。
Moは5%超から6.5%未満まで
Moは5%超から6.2%未満まで。
Cuは1.6%超から2.0%未満まで。
Vは0%超から1.0%まで
Vは0.2%から0.7%まで。
a)その合金を開放式(offen)に連続鋳造法または造塊法で溶融し、
b)モリブデン含有率の増加により引き起こされる偏折を阻止するために、作製したスラブ(Brammen)/鋼片(Knueppel)の均質化焼きなまし(Homogenisierungsgluehung)を、1150℃から1250℃までで15時間から25時間にわたって実施し、ここで、
c)均質化焼きなましを特に最初の温間加工に続いて実施する
方法によっても解決される。
Claims (8)
- Cを最大0.02%
Sを最大0.01%
Nを最大0.03%
Crを20.0%から23.0%まで
Niを39.0%から44.0%まで
Mnを0.4%から1.0%未満まで
Siを0.1%から0.5%未満まで
Moを4.0%超から7.0%未満まで
Nbを最大0.15%
Cuを1.5%超から2.5%未満まで
Alを0.05%から0.3%未満まで
Coを最大0.5%
Bを0.001%から0.005%未満まで
Mgを0.005%から0.015%未満まで
鉄を残分として、ならびに溶融に伴う不純物
を含む(質量%)、高い耐孔食性および間隙腐食耐性、ならびに冷間硬化状態で高い弾性限度を有する、チタンを含まない合金。 - Cを最大0.015%
Sを最大0.005%
Nを最大0.02%
Crを21.0%から23%未満まで
Niを39.0%超から43.0%未満まで
Mnを0.5%から0.9%まで
Siを0.2%から0.5%未満まで
Moを4.5%超から6.5%まで
Nbを最大0.15%
Cuを1.6%超から2.3%未満まで
Alを0.06%から0.25%未満まで
Coを最大0.5%
Bを0.002%から0.004%まで
Mgを0.006%から0.015%まで
Feを残分として、ならびに溶融に伴う不純物
を含む(質量%)、高い耐孔食性および間隙腐食耐性、ならびに冷間硬化状態で高い弾性限度を有する、チタンを含まない合金。 - Crを21.5%超から23%未満まで
Niを39.0%超から42%未満まで
Moを5%超から6.5%未満まで
Cuを1.6%超から2.0%未満まで
含む(質量%)、請求項1または2に記載の合金。 - 必要に応じてVを0%超から1.0%まで含む(質量%)、請求項1から3までのいずれか1項に記載の合金。
- Vを0.2%から0.7%まで含む(質量%)、請求項4に記載の合金。
- 請求項1から5までのいずれか1項に記載の組成を有する合金を製造するための方法において、
a)該合金を開放式に連続鋳造法または造塊法で溶融して、
b)モリブデン含有率の増加により引き起こされる偏折を阻止するために、作製したスラブ/鋼片の均質化焼きなましを1150℃から1250℃までで15時間から25時間までにわたって実施し、ここで、
c)均質化焼きなましを最初の温間加工に続いて行う、前記方法。 - 石油産業およびガス産業の構成部材としての、請求項1から5までのいずれか1項に記載の合金の使用。
- 構成部材が、薄板、テープ、管(長手方向溶接および継目なし)、ロッドの製品形態としてまたは鍛造部材として存在している、請求項7に記載の使用。
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DE102014002402.4A DE102014002402A1 (de) | 2014-02-13 | 2014-02-13 | Titanfreie Legierung |
DE102014002693.0A DE102014002693A1 (de) | 2014-02-28 | 2014-02-28 | Titanfreie Legierung |
DE102014002693.0 | 2014-02-28 | ||
PCT/DE2015/000053 WO2015120832A1 (de) | 2014-02-13 | 2015-02-10 | Titanfreie legierung |
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US2777766A (en) | 1952-06-04 | 1957-01-15 | Union Carbide & Carbon Corp | Corrosion resistant alloys |
JPS57210940A (en) | 1981-06-19 | 1982-12-24 | Sumitomo Metal Ind Ltd | Alloy for high-strength oil well pipe with superior stress corrosion cracking resistance |
NO831752L (no) * | 1982-05-17 | 1983-11-18 | Kobe Steel Ltd | Austenittiske legeringer med hoeyt nikkelinnhold. |
JPS58199851A (ja) | 1982-05-17 | 1983-11-21 | Kobe Steel Ltd | 酸性油井用高ニツケル合金 |
JPS58199852A (ja) | 1982-12-22 | 1983-11-21 | Kobe Steel Ltd | 酸性油井用高ニツケル合金 |
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EP3105358A1 (de) | 2016-12-21 |
CN105745345A8 (zh) | 2016-08-10 |
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