JP6262893B1 - フェライト系ステンレス鋼および溶接構造物 - Google Patents
フェライト系ステンレス鋼および溶接構造物 Download PDFInfo
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- JP6262893B1 JP6262893B1 JP2017020375A JP2017020375A JP6262893B1 JP 6262893 B1 JP6262893 B1 JP 6262893B1 JP 2017020375 A JP2017020375 A JP 2017020375A JP 2017020375 A JP2017020375 A JP 2017020375A JP 6262893 B1 JP6262893 B1 JP 6262893B1
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- stainless steel
- ferritic stainless
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 33
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 27
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 6
- 229910045601 alloy Inorganic materials 0.000 abstract description 4
- 239000000956 alloy Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 description 33
- 238000005260 corrosion Methods 0.000 description 33
- 239000000463 material Substances 0.000 description 20
- 239000011651 chromium Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 10
- 239000010935 stainless steel Substances 0.000 description 10
- 239000011572 manganese Substances 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- 239000010955 niobium Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- 229910052750 molybdenum Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000011324 bead Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052758 niobium Inorganic materials 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 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
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002922 simulated annealing Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
Claims (3)
- C:0.015質量%以下、Si:0.05質量%以上0.40質量%以下、Mn:0.20質量%以上0.40質量%以下、P:0.03質量%以下、S:0.01質量%以下、Cr:18.0質量%以上20.0質量%以下、Mo:1.0質量%以上1.5質量%以下、Ti:0.10質量%以上0.30質量%以下、Nb:0.20質量%以上0.40質量%以下、Al:0.02質量%以上0.20質量%以下、B:0.0010質量%以下およびN:0.015質量%以下を含有し、残部がFeおよび不可避的不純物からなり、
Si−8Mn+7Al−230B+2≧0の式を満足する
ことを特徴とするフェライト系ステンレス鋼。 - Ni:0.6質量%以下およびCu:0.5質量%以下のうち少なくとも1種を含有する
ことを特徴とする請求項1記載のフェライト系ステンレス鋼。 - 請求項1または2記載のフェライト系ステンレス鋼が溶接されて形成された
ことを特徴とする溶接構造物。
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JP2017020375A JP6262893B1 (ja) | 2017-02-07 | 2017-02-07 | フェライト系ステンレス鋼および溶接構造物 |
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JP2017020375A JP6262893B1 (ja) | 2017-02-07 | 2017-02-07 | フェライト系ステンレス鋼および溶接構造物 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6262893B1 true JP6262893B1 (ja) | 2018-01-17 |
JP2018127658A JP2018127658A (ja) | 2018-08-16 |
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JP2017020375A Active JP6262893B1 (ja) | 2017-02-07 | 2017-02-07 | フェライト系ステンレス鋼および溶接構造物 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7563919B2 (ja) | 2020-08-25 | 2024-10-08 | 日鉄ステンレス株式会社 | フェライト系ステンレス鋼及びその製造方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0641695A (ja) * | 1992-03-27 | 1994-02-15 | Nisshin Steel Co Ltd | 排ガス流路部材用フェライト系ステンレス鋼及び製造方法 |
JP2007247013A (ja) * | 2006-03-17 | 2007-09-27 | Jfe Steel Kk | 耐酸化性、加工性および高温強度に優れるフェライト系ステンレス鋼 |
JP2014145097A (ja) * | 2013-01-28 | 2014-08-14 | Nippon Steel & Sumikin Stainless Steel Corp | 高温プレス成形に適する自動車排気系部材用のフェライト系ステンレス鋼板およびフェライト系ステンレス鋼成形部品の製造方法 |
-
2017
- 2017-02-07 JP JP2017020375A patent/JP6262893B1/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0641695A (ja) * | 1992-03-27 | 1994-02-15 | Nisshin Steel Co Ltd | 排ガス流路部材用フェライト系ステンレス鋼及び製造方法 |
JP2007247013A (ja) * | 2006-03-17 | 2007-09-27 | Jfe Steel Kk | 耐酸化性、加工性および高温強度に優れるフェライト系ステンレス鋼 |
JP2014145097A (ja) * | 2013-01-28 | 2014-08-14 | Nippon Steel & Sumikin Stainless Steel Corp | 高温プレス成形に適する自動車排気系部材用のフェライト系ステンレス鋼板およびフェライト系ステンレス鋼成形部品の製造方法 |
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