JP2010512460A - 耐候性に優れた高降伏比型冷延鋼板 - Google Patents
耐候性に優れた高降伏比型冷延鋼板 Download PDFInfo
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- JP2010512460A JP2010512460A JP2009541217A JP2009541217A JP2010512460A JP 2010512460 A JP2010512460 A JP 2010512460A JP 2009541217 A JP2009541217 A JP 2009541217A JP 2009541217 A JP2009541217 A JP 2009541217A JP 2010512460 A JP2010512460 A JP 2010512460A
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- steel sheet
- rolled steel
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- less
- yield ratio
- Prior art date
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- 239000010960 cold rolled steel Substances 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 10
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 229910052796 boron Inorganic materials 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 46
- 239000010959 steel Substances 0.000 claims description 46
- 238000000137 annealing Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000009466 transformation Effects 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 25
- 230000007797 corrosion Effects 0.000 description 24
- 238000005260 corrosion Methods 0.000 description 24
- 230000000052 comparative effect Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 238000005098 hot rolling Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 230000001965 increasing effect Effects 0.000 description 8
- 238000005097 cold rolling Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000003303 reheating Methods 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910001563 bainite Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 229910017816 Cu—Co Inorganic materials 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- 229910000870 Weathering steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Description
Claims (3)
- 重量%で、C:0.08〜0.20%、Si:0.1〜0.5%、Mn:0.9〜2.0%、P:0.02%以下、S:0.01%以下、Al:0.02〜0.07%、Nb:0.03〜0.06%、Ni:0.05〜0.30%、Cu:0.2〜0.5%、Cr:0.3〜0.6%、B:0.001〜0.004%、Co:0.02〜0.08%を含有し、残りのFe及びその他不可避な不純物からなる高降伏比型耐候性冷延鋼板。
- 前記冷延鋼板の引張強度は、80kg/mm2以上であることを特徴とする請求項1に記載の高降伏比型耐候性冷延鋼板。
- 重量%で、C:0.08〜0.20%、Si:0.1〜0.5%、Mn:0.9〜2.0%、P:0.02%以下、S:0.01%以下、Al:0.02〜0.07%、Nb:0.03〜0.06%、Ni:0.05〜0.30%、Cu:0.2〜0.5%、Cr:0.3〜0.6%、B:0.001〜0.004%、Co:0.02〜0.08%を含有し、残りのFe及びその他不可避な不純物からなる鋼を1150〜1300℃で再加熱して850〜950℃の仕上げ圧延温度の条件で熱間圧延し、1秒当たり20〜40℃の冷却速度で冷却して500〜650℃の温度で巻き取った後、冷間圧延して500℃以上〜A1変態点以下で連続焼鈍する高降伏比型冷延鋼板の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060126488A KR100815799B1 (ko) | 2006-12-12 | 2006-12-12 | 내후성이 우수한 고항복비형 냉연강판 |
KR10-2006-0126488 | 2006-12-12 | ||
PCT/KR2007/006405 WO2008072866A1 (en) | 2006-12-12 | 2007-12-10 | Cold-rolled steel sheet with high yield ratio and excellent weather resistance |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010512460A true JP2010512460A (ja) | 2010-04-22 |
JP5101627B2 JP5101627B2 (ja) | 2012-12-19 |
Family
ID=39411342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009541217A Expired - Fee Related JP5101627B2 (ja) | 2006-12-12 | 2007-12-10 | 耐候性に優れた高降伏比型冷延鋼板 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5101627B2 (ja) |
KR (1) | KR100815799B1 (ja) |
CN (1) | CN101558178B (ja) |
WO (1) | WO2008072866A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102791895B (zh) * | 2009-12-04 | 2014-12-24 | Posco公司 | 具有优异耐热性的加工用冷轧钢板及其制造方法 |
CN103266274B (zh) * | 2013-05-22 | 2015-12-02 | 宝山钢铁股份有限公司 | 一种超高强度冷轧耐候钢板及其制造方法 |
CN104419877B (zh) * | 2013-09-05 | 2017-04-05 | 鞍钢股份有限公司 | 一种具有耐候性的冷轧马氏体钢及其制造方法 |
CN104419878B (zh) * | 2013-09-05 | 2017-03-29 | 鞍钢股份有限公司 | 具有耐候性的超高强度冷轧双相钢及其制造方法 |
KR101518578B1 (ko) | 2013-09-10 | 2015-05-07 | 주식회사 포스코 | 내마모성 및 표면품질이 우수한 황산 및 염산 복합내식용 강판 및 그 제조방법 |
KR101585739B1 (ko) * | 2013-12-25 | 2016-01-14 | 주식회사 포스코 | 충격특성이 우수한 고항복비형 냉연강판 및 그 제조방법 |
US10435762B2 (en) | 2014-03-31 | 2019-10-08 | Jfe Steel Corporation | High-yield-ratio high-strength cold-rolled steel sheet and method of producing the same |
CN105274432B (zh) * | 2014-06-11 | 2017-04-26 | 鞍钢股份有限公司 | 600MPa级高屈强比高塑性冷轧钢板及其制造方法 |
KR101611762B1 (ko) * | 2014-12-12 | 2016-04-14 | 주식회사 포스코 | 굽힘가공성 및 충돌특성이 우수한 고항복비형 냉연강판 및 그 제조방법 |
CN116200662B (zh) * | 2023-02-07 | 2023-08-15 | 安徽工业大学 | 一种回火型低屈强比高性能桥梁耐候钢及其制造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000063981A (ja) * | 1998-08-20 | 2000-02-29 | Nippon Steel Corp | 初期錆びから黒味を帯びた色調を呈し外観性と色調安定性に優れた耐候性鋼 |
JP2002105596A (ja) * | 2000-09-29 | 2002-04-10 | Pohang Iron & Steel Co Ltd | 高耐候性、高加工性の熱延鋼板、およびその製造方法 |
JP2002180187A (ja) * | 2000-10-06 | 2002-06-26 | Nippon Steel Corp | 日陰耐候性に優れた高強度・高靱性耐候性鋼 |
JP2005281841A (ja) * | 2004-03-31 | 2005-10-13 | Jfe Steel Kk | 高耐食鋼の製造方法 |
JP2006118011A (ja) * | 2004-10-22 | 2006-05-11 | Sumitomo Metal Ind Ltd | 海浜耐候性に優れた鋼材と構造物 |
JP2007270198A (ja) * | 2006-03-30 | 2007-10-18 | Sumitomo Metal Ind Ltd | 耐候性、耐塗装剥離性に優れた鋼材の製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI290177B (en) | 2001-08-24 | 2007-11-21 | Nippon Steel Corp | A steel sheet excellent in workability and method for producing the same |
JP3895986B2 (ja) * | 2001-12-27 | 2007-03-22 | 新日本製鐵株式会社 | 溶接性および穴拡げ性に優れた高強度鋼板およびその製造方法 |
JP3940301B2 (ja) * | 2002-02-27 | 2007-07-04 | 新日本製鐵株式会社 | 耐曲げ性に優れるブラスト用耐候性高強度鋼板およびその製造方法 |
JP4486336B2 (ja) * | 2003-09-30 | 2010-06-23 | 新日本製鐵株式会社 | 溶接性と延性に優れた高降伏比高強度冷延鋼板および高降伏比高強度溶融亜鉛めっき鋼板、並びに、高降伏比高強度合金化溶融亜鉛めっき鋼板とその製造方法 |
CN1302143C (zh) * | 2004-06-30 | 2007-02-28 | 宝山钢铁股份有限公司 | 抗二氧化碳、氯离子腐蚀石油钻杆用钢 |
-
2006
- 2006-12-12 KR KR1020060126488A patent/KR100815799B1/ko active IP Right Grant
-
2007
- 2007-12-10 JP JP2009541217A patent/JP5101627B2/ja not_active Expired - Fee Related
- 2007-12-10 CN CN2007800455344A patent/CN101558178B/zh not_active Expired - Fee Related
- 2007-12-10 WO PCT/KR2007/006405 patent/WO2008072866A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000063981A (ja) * | 1998-08-20 | 2000-02-29 | Nippon Steel Corp | 初期錆びから黒味を帯びた色調を呈し外観性と色調安定性に優れた耐候性鋼 |
JP2002105596A (ja) * | 2000-09-29 | 2002-04-10 | Pohang Iron & Steel Co Ltd | 高耐候性、高加工性の熱延鋼板、およびその製造方法 |
JP2002180187A (ja) * | 2000-10-06 | 2002-06-26 | Nippon Steel Corp | 日陰耐候性に優れた高強度・高靱性耐候性鋼 |
JP2005281841A (ja) * | 2004-03-31 | 2005-10-13 | Jfe Steel Kk | 高耐食鋼の製造方法 |
JP2006118011A (ja) * | 2004-10-22 | 2006-05-11 | Sumitomo Metal Ind Ltd | 海浜耐候性に優れた鋼材と構造物 |
JP2007270198A (ja) * | 2006-03-30 | 2007-10-18 | Sumitomo Metal Ind Ltd | 耐候性、耐塗装剥離性に優れた鋼材の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2008072866A1 (en) | 2008-06-19 |
CN101558178A (zh) | 2009-10-14 |
JP5101627B2 (ja) | 2012-12-19 |
CN101558178B (zh) | 2011-05-25 |
KR100815799B1 (ko) | 2008-03-20 |
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