JP2021116444A - 低磁性オーステナイト系ステンレス鋼 - Google Patents
低磁性オーステナイト系ステンレス鋼 Download PDFInfo
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- JP2021116444A JP2021116444A JP2020009293A JP2020009293A JP2021116444A JP 2021116444 A JP2021116444 A JP 2021116444A JP 2020009293 A JP2020009293 A JP 2020009293A JP 2020009293 A JP2020009293 A JP 2020009293A JP 2021116444 A JP2021116444 A JP 2021116444A
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- stainless steel
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- 229910000963 austenitic stainless steel Inorganic materials 0.000 title claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 9
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000005684 electric field Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 229910052758 niobium Inorganic materials 0.000 claims description 6
- 229910052715 tantalum Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 42
- 239000010935 stainless steel Substances 0.000 description 37
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 26
- 239000010949 copper Substances 0.000 description 25
- 239000011572 manganese Substances 0.000 description 15
- 230000035699 permeability Effects 0.000 description 10
- 229910001566 austenite Inorganic materials 0.000 description 9
- 230000005347 demagnetization Effects 0.000 description 8
- 230000005389 magnetism Effects 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 8
- 239000011651 chromium Substances 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 239000010955 niobium Substances 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000005097 cold rolling Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 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
- 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
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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- Heat Treatment Of Sheet Steel (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
Claims (4)
- 質量%で、C:0.08%以下、Si:1.0%以下、Mn:2.0%未満、P:0.045%以下、S:0.02%未満、Ni:8.0%以上9.5%未満、Cr:17%以上21%以下、Mo:0.5%以下、Cu:0.1%以上1.5%以下、N:0.02%以上0.12%以下、O:0.015%以下を含有し、残部がFeおよび不可避的不純物からなり、
含有されている各元素の含有量の質量%が代入され、無添加のものは0が代入される以下の各式において、
Cu−0.2Moの値が0.10以上で、
25N−Cuの値が0以上で、
Md30=551−462(C+N)−9.2Si−8.1Mn−29(Ni+Cu)−13.7Cr−18.5Moで示されるオーステナイト安定指標であるMd30の値が−40℃〜−100℃である
ことを特徴とする低磁性オーステナイト系ステンレス鋼。 - 質量%で、C:0.08%以下、Si:1.0%以下、Mn:2.0%未満、P:0.045%以下、S:0.02%未満、Ni:8.0%以上9.5%未満、Cr:17%以上21%以下、Mo:0.5%以下、Cu:0.1%以上1.5%以下、N:0.02%以上0.12%以下、O:0.015%以下を含有し、残部がFeおよび不可避的不純物からなり、
KEC法(電界)により測定される周波数200MHzの電磁波に対する板厚0.30mmでのシールド効果が74dB以上で、
含有されている各元素の含有量の質量%が代入され、無添加のものは0が代入される以下の各式において、
25N−Cuの値が0以上で、
Md30=551−462(C+N)−9.2Si−8.1Mn−29(Ni+Cu)−13.7Cr−18.5Moで示されるオーステナイト安定指標であるMd30の値が−40℃〜−100℃である
ことを特徴とする低磁性オーステナイト系ステンレス鋼。 - 質量%で、B:0.005%以下をさらに含有する
ことを特徴とする請求項1または2記載の低磁性オーステナイト系ステンレス鋼。 - 質量%で、V、Nb、Ti、Ta、Zrの少なくともいずれか1種を合計0.5%以下、さらに含有する
ことを特徴とする請求項1ないし3いずれか一記載の低磁性オーステナイト系ステンレス鋼。
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Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002060838A (ja) | 2000-08-18 | 2002-02-28 | Sanyo Special Steel Co Ltd | 非磁性オーステナイト系ステンレス鋼の製造方法 |
JP4309141B2 (ja) | 2003-01-21 | 2009-08-05 | 新日鐵住金ステンレス株式会社 | 高強度低透磁率オーステナイト系ステンレス鋼板および製造方法並びにボルト締結用座金の製造方法 |
JP6257417B2 (ja) | 2014-03-31 | 2018-01-10 | 新日鐵住金ステンレス株式会社 | 非磁性遊技球用オーステナイト系ステンレス鋼線材及び鋼線 |
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