JP4762104B2 - オーステナイト鋼 - Google Patents
オーステナイト鋼 Download PDFInfo
- Publication number
- JP4762104B2 JP4762104B2 JP2006277166A JP2006277166A JP4762104B2 JP 4762104 B2 JP4762104 B2 JP 4762104B2 JP 2006277166 A JP2006277166 A JP 2006277166A JP 2006277166 A JP2006277166 A JP 2006277166A JP 4762104 B2 JP4762104 B2 JP 4762104B2
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- corrosion cracking
- stress corrosion
- stainless steel
- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims description 24
- 239000010959 steel Substances 0.000 title claims description 24
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 22
- 150000003839 salts Chemical class 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 230000007797 corrosion Effects 0.000 description 85
- 238000005260 corrosion Methods 0.000 description 85
- 238000005336 cracking Methods 0.000 description 43
- 238000012360 testing method Methods 0.000 description 20
- 235000002639 sodium chloride Nutrition 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 239000003921 oil Substances 0.000 description 9
- 239000002828 fuel tank Substances 0.000 description 8
- 239000002436 steel type Substances 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 238000000137 annealing Methods 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 239000003502 gasoline Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Images
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- Heat Treatment Of Sheet Steel (AREA)
Description
一方、特許文献4には耐孔食性、耐応力腐食割れ性を改善した自動車の給油管および燃料タンク用のCu含有オーステナイト系ステンレス鋼が記載されている。
Claims (5)
- 質量%で、C:0.05%以下、Si:1.0%未満、Mn:0.4〜1.8%、P:0.045%以下、S:0.005%以下、Ni:8.5〜12.0%、Cr:17.5〜19.5%、N:0.05%以下であるとともに、CuおよびMoを必須成分として含有し、残部Feおよび不可避的不純物からなる鋼において、CuおよびMoの含有量を、Cu:0.5〜1.5%未満、Mo:0.5〜1.2%とし、かつ1.5≦Cu+Mo≦2.5を満たす範囲に調整したことを特徴とする塩乾湿繰り返し環境での耐久性に優れたオーステナイト系ステンレス鋼。
- さらにAl:0.3%以下を含有する請求項1に記載のオーステナイト系ステンレス鋼。
- さらにB:0.005%以下を含有する請求項1または2に記載のオーステナイト系ステンレス鋼。
- Si含有量が、0.5±0.25%の範囲に調整されている請求項1〜3のいずれかに記載のオーステナイト系ステンレス鋼。
- 自動車床下部材に使用される請求項1〜4のいずれかに記載のオーステナイト系ステンレス鋼。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006277166A JP4762104B2 (ja) | 2006-10-11 | 2006-10-11 | オーステナイト鋼 |
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006277166A JP4762104B2 (ja) | 2006-10-11 | 2006-10-11 | オーステナイト鋼 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008095138A JP2008095138A (ja) | 2008-04-24 |
JP4762104B2 true JP4762104B2 (ja) | 2011-08-31 |
Family
ID=39378302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006277166A Active JP4762104B2 (ja) | 2006-10-11 | 2006-10-11 | オーステナイト鋼 |
Country Status (1)
Country | Link |
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JP (1) | JP4762104B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112013002614T5 (de) | 2012-05-22 | 2015-03-12 | Gs Yuasa International Ltd. | Energiespeichereinrichtung |
WO2021241131A1 (ja) * | 2020-05-28 | 2021-12-02 | 日鉄ステンレス株式会社 | オーステナイト系ステンレス鋼材及び耐食性部材 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002060972A (ja) * | 2000-08-22 | 2002-02-28 | Nisshin Steel Co Ltd | 自動車燃料タンク用ステンレス鋼板 |
US7597987B2 (en) * | 2002-08-20 | 2009-10-06 | Daido Tokushuko Kabushiki Kaisha | Metal component for fuel cell and method of manufacturing the same, austenitic stainless steel for polymer electrolyte fuel cell and metal component for fuel cell material and method of manufacturing the same, corrosion-resistant conductive component and method of manufacturing the same, and fuel cell |
JP2006124807A (ja) * | 2004-11-01 | 2006-05-18 | Nisshin Steel Co Ltd | 自動車用燃料タンク又は給油管 |
JP4578280B2 (ja) * | 2005-03-08 | 2010-11-10 | 日新製鋼株式会社 | 自動車給油系部材用オーステナイト系ステンレス鋼 |
-
2006
- 2006-10-11 JP JP2006277166A patent/JP4762104B2/ja active Active
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Publication number | Publication date |
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JP2008095138A (ja) | 2008-04-24 |
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