KR102250567B1 - 스테인리스 강판 및 스테인리스박 - Google Patents
스테인리스 강판 및 스테인리스박 Download PDFInfo
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- KR102250567B1 KR102250567B1 KR1020197010858A KR20197010858A KR102250567B1 KR 102250567 B1 KR102250567 B1 KR 102250567B1 KR 1020197010858 A KR1020197010858 A KR 1020197010858A KR 20197010858 A KR20197010858 A KR 20197010858A KR 102250567 B1 KR102250567 B1 KR 102250567B1
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 66
- 239000010935 stainless steel Substances 0.000 title claims abstract description 64
- 239000011888 foil Substances 0.000 title claims abstract description 49
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims description 9
- 229910052735 hafnium Inorganic materials 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000000969 carrier Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 abstract description 42
- 238000007254 oxidation reaction Methods 0.000 abstract description 42
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 abstract description 9
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 7
- 229910052804 chromium Inorganic materials 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 229910052748 manganese Inorganic materials 0.000 abstract description 2
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 2
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 2
- 229910052717 sulfur Inorganic materials 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 30
- 239000010959 steel Substances 0.000 description 30
- 238000004519 manufacturing process Methods 0.000 description 21
- 230000007423 decrease Effects 0.000 description 17
- 230000000694 effects Effects 0.000 description 17
- 229910052761 rare earth metal Inorganic materials 0.000 description 17
- 150000002910 rare earth metals Chemical class 0.000 description 17
- 238000000137 annealing Methods 0.000 description 16
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 14
- 238000005097 cold rolling Methods 0.000 description 13
- 238000005096 rolling process Methods 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 239000010960 cold rolled steel Substances 0.000 description 7
- 238000005554 pickling Methods 0.000 description 7
- 241000264877 Hippospongia communis Species 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000007670 refining Methods 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910001122 Mischmetal Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- C—CHEMISTRY; METALLURGY
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
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- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
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Abstract
(해결 수단) 질량%로, C: 0.015% 이하, Si: 0.50% 이하, Mn: 0.50% 이하, P: 0.040% 이하, S: 0.010% 이하, Cr: 10.0% 이상 16.0% 미만, Al: 2.5∼4.5%, N: 0.015% 이하, Ni: 0.05∼0.50%, Cu: 0.01∼0.10%, Mo: 0.01∼0.15%를 함유하고, 추가로 Ti: 0.01∼0.30%, Zr: 0.01∼0.20%, Hf: 0.01∼0.20%, REM: 0.01∼0.20% 중 적어도 1종을, Ti+Zr+Hf+2REM≥0.06 및 0.30≥Ti+Zr+Hf를 충족하여 함유하는 스테인리스박으로 한다.
Description
Claims (4)
- 질량%로,
C: 0.015% 이하,
Si: 0.50% 이하,
Mn: 0.50% 이하,
P: 0.040% 이하,
S: 0.010% 이하,
Cr: 10.0% 이상 16.0% 미만,
Al: 3.1∼4.5%,
N: 0.015% 이하,
Ni: 0.05∼0.50%,
Cu: 0.01∼0.10%,
Mo: 0.01∼0.15%를 함유하고,
추가로, Ti: 0.01∼0.30%,
Zr: 0.01∼0.20%,
Hf: 0.01∼0.20%,
REM: 0.01∼0.20% 중 적어도 1종을, 이하의 식 (1) 및 식 (2)를 충족하여 함유하고, 잔부가 Fe 및 불가피적 불순물로 이루어지는 스테인리스 강판.
Ti+Zr+Hf+2REM≥0.06 식 (1)
0.30≥Ti+Zr+Hf 식 (2)
(식 (1), 식 (2) 중의 Ti, Zr, Hf, REM은, 각 원소의 함유량(질량%)을 나타낸다. 함유하고 있지 않은 경우는 0으로 함) - 제1항에 있어서,
추가로, 질량%로,
Nb: 0.01∼0.10%,
V: 0.01∼0.50%,
B: 0.0003∼0.0100%,
Ca: 0.0002∼0.0100%,
Mg: 0.0002∼0.0100% 중 적어도 1종을 함유하는 스테인리스 강판. - 제1항 또는 제2항에 기재된 성분 조성을 갖고, 두께가 200㎛ 이하인 스테인리스박.
- 제3항에 있어서,
배기 가스 정화 장치 촉매 담체용인 스테인리스박.
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