KR100470046B1 - 내황산 부식특성이 우수한 냉연강판 - Google Patents
내황산 부식특성이 우수한 냉연강판 Download PDFInfo
- Publication number
- KR100470046B1 KR100470046B1 KR10-2000-0030722A KR20000030722A KR100470046B1 KR 100470046 B1 KR100470046 B1 KR 100470046B1 KR 20000030722 A KR20000030722 A KR 20000030722A KR 100470046 B1 KR100470046 B1 KR 100470046B1
- Authority
- KR
- South Korea
- Prior art keywords
- sulfuric acid
- corrosion resistance
- steel sheet
- less
- rolled steel
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Description
구분 | 화학성분(중량%) | 부식감량(mg/㎠·hr) | |||||||
C | Si | Mn | P | S | Al | Cu | Co | ||
발명강1 | 0.08 | 0.1 | 0.5 | 0.01 | 0.02 | 0.04 | 0.35 | 0.06 | 5.3 |
발명강2 | 0.084 | 0.1 | 0.8 | 0.009 | 0.023 | 0.05 | 0.25 | 0.1 | 5.9 |
발명강3 | 0.078 | 0.08 | 1.0 | 0.015 | 0.03 | 0.045 | 0.38 | 0.08 | 5.4 |
발명강4 | 0.081 | 0.09 | 0.3 | 0.012 | 0.018 | 0.035 | 0.40 | 0.15 | 4.9 |
비교강1 | 0.080 | 0.1 | 0.5 | 0.010 | 0.012 | 0.04 | 0.15 | - | 58.6 |
비교강2 | 0.085 | 0.12 | 0.8 | 0.082 | 0.01 | 0.038 | 0.35 | 0.08 | 62.5 |
비교강3 | 0.081 | 0.5 | 1.5 | 0.025 | 0.015 | 0.042 | 0.25 | - | 35.2 |
비교강4 | 0.079 | 0.15 | 1.0 | 0.02 | 0.02 | 0.04 | 0.20 | - | 24.5 |
Claims (1)
- 중량%로 C:0.15% 이하, Si:1.0% 이하, Mn:0.2~1.5%, S:0.03% 이하, P:0.03% 이하, Al:0.01~0.1%, Cu:0.2~1.0%, Co:0.02~0.2%, 잔부 Fe 및 기타 불가피한 불순물로 조성되는 것을 특징으로 하는 내황산 부식특성이 우수한 냉연강판
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0030722A KR100470046B1 (ko) | 2000-06-05 | 2000-06-05 | 내황산 부식특성이 우수한 냉연강판 |
US10/048,857 US6773518B2 (en) | 2000-06-05 | 2001-06-05 | Cold rolled steel sheet having excellent corrosion resistance to sulfuric acid |
PCT/KR2001/000955 WO2001094654A1 (en) | 2000-06-05 | 2001-06-05 | Cold rolled steel sheet having excellent corrosion resistance to sulfuric acid |
JP2002502192A JP3574806B2 (ja) | 2000-06-05 | 2001-06-05 | 硫酸に対する優れた耐食性を有する冷間圧延鋼板 |
CNB018016073A CN1153843C (zh) | 2000-06-05 | 2001-06-05 | 具有优良耐硫酸腐蚀性能的冷轧钢板 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0030722A KR100470046B1 (ko) | 2000-06-05 | 2000-06-05 | 내황산 부식특성이 우수한 냉연강판 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010109931A KR20010109931A (ko) | 2001-12-12 |
KR100470046B1 true KR100470046B1 (ko) | 2005-02-04 |
Family
ID=19671200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0030722A KR100470046B1 (ko) | 2000-06-05 | 2000-06-05 | 내황산 부식특성이 우수한 냉연강판 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6773518B2 (ko) |
JP (1) | JP3574806B2 (ko) |
KR (1) | KR100470046B1 (ko) |
CN (1) | CN1153843C (ko) |
WO (1) | WO2001094654A1 (ko) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100544506B1 (ko) * | 2001-12-10 | 2006-01-24 | 주식회사 포스코 | 내황산 부식특성이 우수한 고강도 냉연강판과 그 제조방법 |
JP4374320B2 (ja) | 2005-02-28 | 2009-12-02 | 新日本製鐵株式会社 | 耐硫酸露点腐食性に優れた鋼 |
KR100694701B1 (ko) * | 2005-10-25 | 2007-03-13 | 주식회사 포스코 | 내식성이 우수한 자동차 머플러용 강판 및 그 제조방법 |
EP2927341A1 (en) * | 2005-10-25 | 2015-10-07 | Posco | Corrosion resistance improved steel sheet for automotive muffler and method of producing the steel sheet |
JP4823930B2 (ja) * | 2006-02-10 | 2011-11-24 | 新日本製鐵株式会社 | 耐酸腐食鋼 |
JP5186769B2 (ja) * | 2006-02-13 | 2013-04-24 | 新日鐵住金株式会社 | 耐硫酸露点腐食鋼 |
WO2009084747A1 (en) * | 2007-12-27 | 2009-07-09 | Posco | Steel having excellent resistance to corrosion by hydrochloric acid and sulfuric acid and method for manufacturing the same |
KR100928774B1 (ko) * | 2007-12-27 | 2009-11-25 | 주식회사 포스코 | 황산 및 염산 내식성이 우수한 내황산 및 내염산 부식강과그 제조방법 |
JP2012092382A (ja) * | 2010-10-26 | 2012-05-17 | Nisshin Steel Co Ltd | 耐硫酸露点腐食鋼および排ガス流路構成部材 |
KR101518578B1 (ko) * | 2013-09-10 | 2015-05-07 | 주식회사 포스코 | 내마모성 및 표면품질이 우수한 황산 및 염산 복합내식용 강판 및 그 제조방법 |
KR101536429B1 (ko) * | 2013-10-30 | 2015-07-13 | 주식회사 포스코 | 황산 및 염산 복합내식성이 우수한 열연강판 및 이의 제조방법 |
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KR102045881B1 (ko) | 2016-09-28 | 2019-11-19 | 주식회사 포스코 | 강판 표면처리용 용액 조성물 및 이를 이용하여 표면처리된 강판 |
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Citations (4)
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---|---|---|---|---|
JPS613867A (ja) * | 1984-06-15 | 1986-01-09 | Sumitomo Metal Ind Ltd | 耐硫酸腐食性の優れたSi含有鋼 |
JPH10110237A (ja) * | 1996-10-08 | 1998-04-28 | Sumitomo Metal Ind Ltd | 熱間加工性に優れた耐酸露点腐食鋼 |
JP2000017382A (ja) * | 1998-07-03 | 2000-01-18 | Nippon Steel Corp | 耐硫酸腐食性に優れた鋼 |
KR100389322B1 (ko) * | 1998-12-29 | 2003-10-24 | 주식회사 포스코 | 내황산부식성이우수한냉연강판및그제조방법 |
Family Cites Families (6)
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DE3070501D1 (en) * | 1979-06-29 | 1985-05-23 | Nippon Steel Corp | High tensile steel and process for producing the same |
JPH08294793A (ja) | 1995-03-01 | 1996-11-12 | Sumitomo Metal Ind Ltd | 溶接施工性に優れた高強度、高耐食フェライト鋼用溶接材料 |
JPH0925536A (ja) | 1995-07-06 | 1997-01-28 | Sumitomo Metal Ind Ltd | 耐酸露点腐食鋼 |
JPH09210260A (ja) | 1996-01-30 | 1997-08-12 | Mitsubishi Heavy Ind Ltd | 耐食性鋼管 |
JPH1060601A (ja) | 1996-08-16 | 1998-03-03 | Nkk Corp | 耐食性及び耐錆剥離性に優れた煙突・煙道用鋼 |
JPH10212546A (ja) | 1997-01-31 | 1998-08-11 | Sumitomo Metal Ind Ltd | ほうろう用冷延鋼板およびその製造方法 |
-
2000
- 2000-06-05 KR KR10-2000-0030722A patent/KR100470046B1/ko active IP Right Grant
-
2001
- 2001-06-05 CN CNB018016073A patent/CN1153843C/zh not_active Expired - Lifetime
- 2001-06-05 JP JP2002502192A patent/JP3574806B2/ja not_active Expired - Lifetime
- 2001-06-05 WO PCT/KR2001/000955 patent/WO2001094654A1/en active Application Filing
- 2001-06-05 US US10/048,857 patent/US6773518B2/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS613867A (ja) * | 1984-06-15 | 1986-01-09 | Sumitomo Metal Ind Ltd | 耐硫酸腐食性の優れたSi含有鋼 |
JPH10110237A (ja) * | 1996-10-08 | 1998-04-28 | Sumitomo Metal Ind Ltd | 熱間加工性に優れた耐酸露点腐食鋼 |
JP2000017382A (ja) * | 1998-07-03 | 2000-01-18 | Nippon Steel Corp | 耐硫酸腐食性に優れた鋼 |
KR100389322B1 (ko) * | 1998-12-29 | 2003-10-24 | 주식회사 포스코 | 내황산부식성이우수한냉연강판및그제조방법 |
Also Published As
Publication number | Publication date |
---|---|
CN1153843C (zh) | 2004-06-16 |
WO2001094654A1 (en) | 2001-12-13 |
CN1383457A (zh) | 2002-12-04 |
JP3574806B2 (ja) | 2004-10-06 |
US20020148538A1 (en) | 2002-10-17 |
KR20010109931A (ko) | 2001-12-12 |
US6773518B2 (en) | 2004-08-10 |
JP2003535973A (ja) | 2003-12-02 |
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