CA2559843A1 - Corrosion-resistant steel excellent in toughness of base metal and weld portion, and method of manufacturing the same - Google Patents
Corrosion-resistant steel excellent in toughness of base metal and weld portion, and method of manufacturing the same Download PDFInfo
- Publication number
- CA2559843A1 CA2559843A1 CA002559843A CA2559843A CA2559843A1 CA 2559843 A1 CA2559843 A1 CA 2559843A1 CA 002559843 A CA002559843 A CA 002559843A CA 2559843 A CA2559843 A CA 2559843A CA 2559843 A1 CA2559843 A1 CA 2559843A1
- Authority
- CA
- Canada
- Prior art keywords
- toughness
- corrosion
- base metal
- weld portion
- less
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010953 base metal Substances 0.000 title claims abstract 8
- 239000010935 stainless steel Substances 0.000 title claims abstract 8
- 238000004519 manufacturing process Methods 0.000 title claims 5
- 229910052799 carbon Inorganic materials 0.000 claims abstract 12
- 229910052804 chromium Inorganic materials 0.000 claims abstract 12
- 229910052748 manganese Inorganic materials 0.000 claims abstract 12
- 229910052759 nickel Inorganic materials 0.000 claims abstract 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract 11
- 239000010959 steel Substances 0.000 claims abstract 11
- 229910052802 copper Inorganic materials 0.000 claims abstract 9
- 238000001816 cooling Methods 0.000 claims 3
- 238000005496 tempering Methods 0.000 claims 2
- 230000009466 transformation Effects 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005098 hot rolling Methods 0.000 claims 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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- 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
- C22C38/06—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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
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 Steel (AREA)
Abstract
A corrosion-resistant steel excellent in toughness of a base metal and a weld portion said steel slab contains, in % by weight, C: 0.2% or less; Si: 0.01 to 2.0%; Mn: 0.1 to 4% or less; P: 0.03% or less; S: 0.01%
or less; Cr: 3 to 11%; Al: 0.1 to 2%; and N: 0.02% or less, and has values of 1150 or above, and 600 or above respectively for Tp and Tc expressed by the equations below using concentrations of Cr, Al, C, Mn, Cu and Ni respectively given as %Cr, %A1, %C, %Mn, %Cu and %Ni. Tp = 1601 - (34%Cr + 287%Al) + (500%C + 33%Mn + 60%Cu +
107%Ni); and Tc = 910 + 80%Al - (300%C + 80%Mn + 15%Cr +
55%Ni).
or less; Cr: 3 to 11%; Al: 0.1 to 2%; and N: 0.02% or less, and has values of 1150 or above, and 600 or above respectively for Tp and Tc expressed by the equations below using concentrations of Cr, Al, C, Mn, Cu and Ni respectively given as %Cr, %A1, %C, %Mn, %Cu and %Ni. Tp = 1601 - (34%Cr + 287%Al) + (500%C + 33%Mn + 60%Cu +
107%Ni); and Tc = 910 + 80%Al - (300%C + 80%Mn + 15%Cr +
55%Ni).
Claims (6)
1. A corrosion-resistant steel excellent in toughness of a base metal and a weld portion, containing, in % by weight:
C: 0.2% or less;
Si: 0.01 to 2.0%;
Mn: 0.1 to 4%;
P: 0.03% or less;
S: 0.01% or less;
Cr: 3 to 11%;
Al: 0.1 to 2%; and N: 0.02%, and having values of 1150 or above, and 600 or above respectively for Tp and Tc expressed by the equations below using concentrations of Cr, Al, C, Mn, Cu and Ni respectively given as %Cr, %Al, %C, %Mn, %Cu and %Ni.
Tp = 1601 - (34%Cr + 287%Al) + (500%C + 33%Mn +
60%Cu + 107%Ni); and Tc - 910 + 80%Al - (300%C + 80%Mn + 15%Cr + 55%Ni).
C: 0.2% or less;
Si: 0.01 to 2.0%;
Mn: 0.1 to 4%;
P: 0.03% or less;
S: 0.01% or less;
Cr: 3 to 11%;
Al: 0.1 to 2%; and N: 0.02%, and having values of 1150 or above, and 600 or above respectively for Tp and Tc expressed by the equations below using concentrations of Cr, Al, C, Mn, Cu and Ni respectively given as %Cr, %Al, %C, %Mn, %Cu and %Ni.
Tp = 1601 - (34%Cr + 287%Al) + (500%C + 33%Mn +
60%Cu + 107%Ni); and Tc - 910 + 80%Al - (300%C + 80%Mn + 15%Cr + 55%Ni).
2. The corrosion-resistant steel excellent in toughness of a base metal and a weld portion according to claim l, further containing, in % by weight, any one of, or two or more elements selected from the group consisting of:
Cu: 0.1 to 4%;
Ni: 0.1 to 4%;
Mo: 0.01 to 1%;
V: 0.01 to 0.1%;
Nb: 0.005 to 0.050%;
Ti: 0.005 to 0.03%;
Ca: 0.0005 to 0.05%;
Mg: 0.0005 to 0.05%; and REM: 0.001 to 0.1%.
Cu: 0.1 to 4%;
Ni: 0.1 to 4%;
Mo: 0.01 to 1%;
V: 0.01 to 0.1%;
Nb: 0.005 to 0.050%;
Ti: 0.005 to 0.03%;
Ca: 0.0005 to 0.05%;
Mg: 0.0005 to 0.05%; and REM: 0.001 to 0.1%.
3. A method of manufacturing a corrosion-resistant steel excellent in toughness of a base metal and a weld portion, comprising the steps of:
heating a steel slab;
the steel slab containing, in o by weight:
C: 0.20 or less;
Si: 0.01 to 2.0%;
Mn: 0.1 to 4%;
P: 0.03% or less;
S: 0.01% or less;
Cr: 3 to 11%;
Al: 0.1 to 2%; and N: 0.02%, and having values of 1150 or above, and 600 or above respectively for Tp and Tc expressed by the equations below using concentrations of Cr, Al, C, Mn, Cu and Ni respectively given as %Cr, %Al, %C, %Mn, %Cu and %Ni, forming a steel plate by hot rolling of the steel slab; and cooling the steel plate by air.
Tp = 1601 - (34%Cr + 287%Al) + (500%C + 33%Mn +
60%Cu + 107%Ni); and Tc - 910 + 80%Al - (300%C + 80%Mn + 15%Cr + 55%Ni).
heating a steel slab;
the steel slab containing, in o by weight:
C: 0.20 or less;
Si: 0.01 to 2.0%;
Mn: 0.1 to 4%;
P: 0.03% or less;
S: 0.01% or less;
Cr: 3 to 11%;
Al: 0.1 to 2%; and N: 0.02%, and having values of 1150 or above, and 600 or above respectively for Tp and Tc expressed by the equations below using concentrations of Cr, Al, C, Mn, Cu and Ni respectively given as %Cr, %Al, %C, %Mn, %Cu and %Ni, forming a steel plate by hot rolling of the steel slab; and cooling the steel plate by air.
Tp = 1601 - (34%Cr + 287%Al) + (500%C + 33%Mn +
60%Cu + 107%Ni); and Tc - 910 + 80%Al - (300%C + 80%Mn + 15%Cr + 55%Ni).
4. The method of manufacturing a corrosion-resistant steel excellent in toughness of a base metal and a weld portion according to claim 3, wherein the steel slab further contains, in % by weight, any one of, or two or more elements selected from the group consisting of:
Cu: 0.1 to 4%;
Ni: 0.1 to 4%;
Mo: 0.01 to 1%;
V: 0.01 to 0.1%;
Nb: 0.005 to 0.050%;
Ti: 0.005 to 0.03%;
Ca: 0.0005 to 0.05%;
Mg: 0.0005 to 0.05%; and REM: 0.001 to 0.1%.
Cu: 0.1 to 4%;
Ni: 0.1 to 4%;
Mo: 0.01 to 1%;
V: 0.01 to 0.1%;
Nb: 0.005 to 0.050%;
Ti: 0.005 to 0.03%;
Ca: 0.0005 to 0.05%;
Mg: 0.0005 to 0.05%; and REM: 0.001 to 0.1%.
5. The method of manufacturing a corrosion-resistant steel excellent in toughness of a base metal and a weld portion according to claim 3, further comprising, after said step of cooling the steel plate by air, tempering the steel plate at a temperature of A c1 transformation point or below.
6. The method of manufacturing a corrosion-resistant steel excellent in toughness of a base metal and a weld portion according to claim 4, further comprising, after said step of cooling the steel plate by air, tempering the steel plate at a temperature of A c1 transformation point or below.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-072438 | 2004-03-15 | ||
| JP2004072438A JP4441295B2 (en) | 2004-03-15 | 2004-03-15 | Manufacturing method of high strength steel for welding and high strength steel for welding with excellent corrosion resistance and machinability |
| PCT/JP2004/006663 WO2005087964A1 (en) | 2004-03-15 | 2004-05-12 | Corrosion-resistant steel excellent in toughness of base metal and weld and process for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2559843A1 true CA2559843A1 (en) | 2005-09-22 |
| CA2559843C CA2559843C (en) | 2011-10-11 |
Family
ID=34975601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2559843A Expired - Fee Related CA2559843C (en) | 2004-03-15 | 2004-05-12 | Corrosion-resistant steel excellent in toughness of base metal and weld portion, and method of manufacturing the same |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20080274008A1 (en) |
| EP (1) | EP1734142A4 (en) |
| JP (1) | JP4441295B2 (en) |
| KR (1) | KR100831115B1 (en) |
| CN (1) | CN100562597C (en) |
| CA (1) | CA2559843C (en) |
| WO (1) | WO2005087964A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4644316B2 (en) * | 2009-03-30 | 2011-03-02 | 新日本製鐵株式会社 | Natural gas-fired or liquefied petroleum gas-fired plant Chimney / flue corrosion resistant steel |
| US20130202908A1 (en) * | 2012-02-08 | 2013-08-08 | Grzegorz Jan Kusinski | Equipment for use in corrosive environments and methods for forming thereof |
| JP5974678B2 (en) * | 2012-06-29 | 2016-08-23 | 新日鐵住金株式会社 | Steel member and method for manufacturing steel member |
| CN102994915B (en) * | 2012-11-20 | 2015-09-02 | 江苏高博智融科技有限公司 | A kind of corrosion-resistant stainless steel metal |
| CN103849820B (en) * | 2014-03-19 | 2017-01-04 | 武汉钢铁(集团)公司 | The rolling mill practice of high-strength corrosion-resisting Li-adding Al alloy muscle |
| CN103834871B (en) * | 2014-03-19 | 2017-01-18 | 武汉钢铁(集团)公司 | 500MPa-level corrosion-resistant Cr-contained reinforcing steel bar and rolling process thereof |
| JP6405910B2 (en) * | 2014-11-10 | 2018-10-17 | 新日鐵住金株式会社 | Corrosion resistant steel |
| JP6107892B2 (en) * | 2015-06-29 | 2017-04-05 | 新日鐵住金株式会社 | Steel member and method for manufacturing steel member |
| RU2625510C1 (en) * | 2016-11-17 | 2017-07-14 | Федеральное Государственное Унитарное Предприятие "Центральный научно-исследовательский институт черной металлургии им. И.П. Бардина" (ФГУП "ЦНИИчермет им. И.П. Бардина") | Method of producing high-strength corrosion-resistant hot-rolled steel |
| JP6992499B2 (en) * | 2017-12-26 | 2022-01-13 | 日本製鉄株式会社 | Steel material |
| CN111349847B (en) * | 2018-12-24 | 2022-03-18 | 宝山钢铁股份有限公司 | Seawater corrosion resistant steel and manufacturing method thereof |
| CN110551945B (en) * | 2019-10-10 | 2020-04-14 | 阳春新钢铁有限责任公司 | Optimization method of hot-rolled plain steel bar production process |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2689207B2 (en) * | 1992-02-07 | 1997-12-10 | 新日本製鐵株式会社 | Steel for internal combustion engine exhaust system with excellent wet corrosion resistance |
| EP0674015A1 (en) * | 1992-12-11 | 1995-09-27 | Nippon Steel Corporation | Steel of high corrosion resistance and high processability |
| JP2689208B2 (en) * | 1992-12-11 | 1997-12-10 | 新日本製鐵株式会社 | Steel for internal combustion engine exhaust systems with excellent wet corrosion resistance and workability |
| JP3265022B2 (en) * | 1993-01-11 | 2002-03-11 | 新日本製鐵株式会社 | Method for producing steel and steel pipe with excellent corrosion resistance |
| JPH073388A (en) * | 1993-06-18 | 1995-01-06 | Nippon Steel Corp | Steel excellent in corrosion resistance |
| JP3928200B2 (en) * | 1997-02-27 | 2007-06-13 | 住友金属工業株式会社 | Ferritic heat resistant steel with excellent high temperature weld crack resistance and toughness in heat affected zone |
| JP2002363704A (en) * | 2001-06-12 | 2002-12-18 | Nippon Steel Corp | Corrosion resistant steel having excellent toughness in base material and heat affected zone |
| JP2004162121A (en) * | 2002-11-13 | 2004-06-10 | Nippon Steel Corp | High strength non-heat treated steel sheet with excellent weld heat affected zone toughness/corrosion resistance |
| JP3845366B2 (en) * | 2002-11-13 | 2006-11-15 | 新日本製鐵株式会社 | Corrosion resistant steel with excellent weld heat affected zone toughness |
-
2004
- 2004-03-15 JP JP2004072438A patent/JP4441295B2/en not_active Expired - Fee Related
- 2004-05-12 CA CA2559843A patent/CA2559843C/en not_active Expired - Fee Related
- 2004-05-12 WO PCT/JP2004/006663 patent/WO2005087964A1/en active Application Filing
- 2004-05-12 KR KR1020067018823A patent/KR100831115B1/en active IP Right Grant
- 2004-05-12 CN CNB2004800424588A patent/CN100562597C/en not_active Expired - Lifetime
- 2004-05-12 EP EP04732471A patent/EP1734142A4/en not_active Withdrawn
- 2004-05-12 US US10/592,836 patent/US20080274008A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2559843C (en) | 2011-10-11 |
| CN100562597C (en) | 2009-11-25 |
| KR100831115B1 (en) | 2008-05-20 |
| CN1926256A (en) | 2007-03-07 |
| EP1734142A4 (en) | 2007-04-25 |
| WO2005087964A1 (en) | 2005-09-22 |
| US20080274008A1 (en) | 2008-11-06 |
| EP1734142A1 (en) | 2006-12-20 |
| KR20060125898A (en) | 2006-12-06 |
| JP4441295B2 (en) | 2010-03-31 |
| JP2005256135A (en) | 2005-09-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20220512 |