JP7465965B2 - 磁化特性が向上したフェライト系ステンレス鋼板及びその製造方法 - Google Patents
磁化特性が向上したフェライト系ステンレス鋼板及びその製造方法 Download PDFInfo
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- 229910001220 stainless steel Inorganic materials 0.000 title claims description 57
- 230000005291 magnetic effect Effects 0.000 title claims description 53
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 230000005415 magnetization Effects 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 22
- 229910052782 aluminium Inorganic materials 0.000 claims description 20
- 238000005097 cold rolling Methods 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- 229910052748 manganese Inorganic materials 0.000 claims description 15
- 238000000137 annealing Methods 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 238000005098 hot rolling Methods 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 230000004907 flux Effects 0.000 claims description 8
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- 150000001247 metal acetylides Chemical class 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000011572 manganese Substances 0.000 description 26
- 239000010936 titanium Substances 0.000 description 26
- 230000015572 biosynthetic process Effects 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 14
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005275 alloying Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000009749 continuous casting Methods 0.000 description 3
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- 230000007423 decrease Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005315 distribution function Methods 0.000 description 2
- 238000001887 electron backscatter diffraction Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- -1 carbon Chemical compound 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
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- 239000002178 crystalline material Substances 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Description
Claims (4)
- 重量%で、C:0.01%以下(0は除く)、N:0.003%以下(0は除く)、Cr:15~18%、Mn:0.3~1.0%、Si:0.2~0.3%、Al:0.005%以下(0は除く)、Ti:0.005%以下(0は除く)、残りは、Fe及び不可避な不純物からなり、下記式(1)を満たし、
{001}集合組織の強度が10.0以上であり、
B 50 が0.5T以上であることを特徴とする磁化特性が向上したフェライト系ステンレス鋼板。
式(1):(Ti+Al+8*(C+N)/Mn)≦0.3
ここで、Ti、Al、C、N及びMnは、各元素の含量(重量%)を意味し、
前記B 50 は、前記フェライト系ステンレス鋼板の圧延方向と磁化方向が0、15、30、45、60、75、90°の方向を有するように60mm×60mmの試験片を製造し、single sheet testerで5000A/mの磁場で磁束密度を測定した後、7方向の平均値である。 - 窒化物または炭化物の分布が100個/mm2以下であることを特徴とする請求項1に記載の磁化特性が向上したフェライト系ステンレス鋼板。
- 重量%で、C:0.01%以下(0は除く)、N:0.003%以下(0は除く)、Cr:15~18%、Mn:0.3~1.0%、Si:0.2~0.3%、Al:0.005%以下(0は除く)、Ti:0.005%以下(0は除く)、残りは、Fe及び不可避な不純物からなり、下記式(1)を満たすスラブを熱間圧延する段階と、
前記熱間圧延された熱間圧延材を熱延焼鈍する段階と、
前記熱間圧延材を冷間圧延して冷延焼鈍する段階と、を含み、
前記冷間圧延の冷間圧下率は、55~80%であり、
前記冷間圧延して冷延焼鈍する段階以後のフェライト系ステンレス鋼板の{001}集合組織の強度が10.0以上であり、
B 50 が0.5T以上であることを特徴とする磁化特性が向上したフェライト系ステンレス鋼板の製造方法。
式(1):(Ti+Al+8*(C+N)/Mn)≦0.3
ここで、Ti、Al、C、N及びMnは、各元素の含量(重量%)を意味し、
前記B 50 は、前記フェライト系ステンレス鋼板の圧延方向と磁化方向が0、15、30、45、60、75、90°の方向を有するように60mm×60mmの試験片を製造し、single sheet testerで5000A/mの磁場で磁束密度を測定した後、7方向の平均値である。 - 前記熱延焼鈍温度範囲は、900~1,200℃であることを特徴とする請求項3に記載の磁化特性が向上したフェライト系ステンレス鋼板の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2019-0171695 | 2019-12-20 | ||
KR1020190171695A KR102326044B1 (ko) | 2019-12-20 | 2019-12-20 | 자화특성이 향상된 페라이트계 스테인리스강 및 그 제조 방법 |
PCT/KR2020/016276 WO2021125580A1 (ko) | 2019-12-20 | 2020-11-18 | 자화특성이 향상된 페라이트계 스테인리스강 및 그 제조 방법 |
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JP2023502232A JP2023502232A (ja) | 2023-01-23 |
JP7465965B2 true JP7465965B2 (ja) | 2024-04-11 |
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WO2021125580A1 (ko) | 2021-06-24 |
CN114746569A (zh) | 2022-07-12 |
US20220396849A1 (en) | 2022-12-15 |
KR20210079670A (ko) | 2021-06-30 |
EP4043605A4 (en) | 2023-04-12 |
CN114746569B (zh) | 2023-11-07 |
EP4043605A1 (en) | 2022-08-17 |
JP2023502232A (ja) | 2023-01-23 |
KR102326044B1 (ko) | 2021-11-15 |
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