CN100532617C - Martensitic stainless steel seamless pipe and a manufacturing method thereof - Google Patents
Martensitic stainless steel seamless pipe and a manufacturing method thereof Download PDFInfo
- Publication number
- CN100532617C CN100532617C CNB2007101099334A CN200710109933A CN100532617C CN 100532617 C CN100532617 C CN 100532617C CN B2007101099334 A CNB2007101099334 A CN B2007101099334A CN 200710109933 A CN200710109933 A CN 200710109933A CN 100532617 C CN100532617 C CN 100532617C
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- stainless steel
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- Expired - Lifetime
Links
- 229910001105 martensitic stainless steel Inorganic materials 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 93
- 239000010959 steel Substances 0.000 claims abstract description 93
- 238000000034 method Methods 0.000 claims abstract description 34
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 27
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- 238000005275 alloying Methods 0.000 claims abstract description 8
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 8
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract 2
- 238000005096 rolling process Methods 0.000 claims description 37
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 33
- 229910052739 hydrogen Inorganic materials 0.000 claims description 33
- 239000001257 hydrogen Substances 0.000 claims description 33
- 238000007669 thermal treatment Methods 0.000 claims description 28
- 238000012545 processing Methods 0.000 claims description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 229910001220 stainless steel Inorganic materials 0.000 claims description 23
- 239000010935 stainless steel Substances 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 238000005098 hot rolling Methods 0.000 claims description 6
- 238000012797 qualification Methods 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 7
- 239000001301 oxygen Substances 0.000 abstract description 7
- 229910052796 boron Inorganic materials 0.000 abstract description 5
- 229910052719 titanium Inorganic materials 0.000 abstract description 5
- 231100000241 scar Toxicity 0.000 description 40
- 208000037656 Respiratory Sounds Diseases 0.000 description 18
- 229910000734 martensite Inorganic materials 0.000 description 17
- 229910000859 α-Fe Inorganic materials 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 239000005864 Sulphur Substances 0.000 description 7
- 229910001566 austenite Inorganic materials 0.000 description 7
- 150000004767 nitrides Chemical class 0.000 description 7
- 238000005482 strain hardening Methods 0.000 description 7
- 230000003116 impacting effect Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003129 oil well Substances 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 229940123973 Oxygen scavenger Drugs 0.000 description 2
- 101000959880 Solanum tuberosum Aspartic protease inhibitor 4 Proteins 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008698 shear stress Effects 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 206010011376 Crepitations Diseases 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
-
- 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002206169 | 2002-07-15 | ||
JP2002206169A JP4126979B2 (en) | 2002-07-15 | 2002-07-15 | Martensitic stainless steel seamless pipe and its manufacturing method |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB038167352A Division CN100355914C (en) | 2002-07-15 | 2003-07-07 | Martensitic stainless steel seamless pipe and a manufacturing method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101070579A CN101070579A (en) | 2007-11-14 |
CN100532617C true CN100532617C (en) | 2009-08-26 |
Family
ID=30112786
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB038167352A Expired - Lifetime CN100355914C (en) | 2002-07-15 | 2003-07-07 | Martensitic stainless steel seamless pipe and a manufacturing method thereof |
CNB2007101099334A Expired - Lifetime CN100532617C (en) | 2002-07-15 | 2003-07-07 | Martensitic stainless steel seamless pipe and a manufacturing method thereof |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB038167352A Expired - Lifetime CN100355914C (en) | 2002-07-15 | 2003-07-07 | Martensitic stainless steel seamless pipe and a manufacturing method thereof |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1521856B1 (en) |
JP (1) | JP4126979B2 (en) |
CN (2) | CN100355914C (en) |
AR (1) | AR040354A1 (en) |
AU (1) | AU2003280989A1 (en) |
BR (1) | BR0312612A (en) |
CA (1) | CA2491834C (en) |
MX (1) | MXPA05000454A (en) |
WO (1) | WO2004007780A1 (en) |
ZA (1) | ZA200500365B (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4359783B2 (en) * | 2004-05-28 | 2009-11-04 | 住友金属工業株式会社 | Seamless steel pipe manufacturing method |
CN100435988C (en) * | 2004-05-28 | 2008-11-26 | 住友金属工业株式会社 | Method for manufacturing seamless steel pipe or tube |
JP4273338B2 (en) * | 2004-11-26 | 2009-06-03 | 住友金属工業株式会社 | Martensitic stainless steel pipe and manufacturing method thereof |
RU2358020C1 (en) | 2005-03-30 | 2009-06-10 | Сумитомо Метал Индастриз, Лтд. | Method of martensite stainless steel production |
WO2007100042A1 (en) | 2006-03-01 | 2007-09-07 | Sumitomo Metal Industries, Ltd. | PROCESS FOR PRODUCING HIGH-Cr SEAMLESS PIPE |
CN100395479C (en) * | 2006-03-03 | 2008-06-18 | 朱国良 | Machining process of high-performance stainless steel and seamless steel pipe |
JP5011770B2 (en) * | 2006-03-22 | 2012-08-29 | 住友金属工業株式会社 | Method for producing martensitic stainless steel pipe |
WO2007138914A1 (en) * | 2006-05-26 | 2007-12-06 | Sumitomo Metal Industries, Ltd. | Process for producing seamless stainless-steel pipe |
JP2008221250A (en) * | 2007-03-09 | 2008-09-25 | Sumitomo Metal Ind Ltd | Method for producing seamless steel tube |
CN101532110B (en) * | 2008-09-17 | 2010-06-02 | 中国科学院金属研究所 | Method for removing Delta ferrite from high strength and toughness martensitic stainless steel |
ES2621182T3 (en) | 2009-05-07 | 2017-07-03 | Nisshin Steel Co., Ltd. | High strength stainless steel tube |
DE102012009496B4 (en) * | 2012-05-14 | 2017-05-11 | Stahlwerk Ergste Westig Gmbh | chrome steel |
JP5924256B2 (en) * | 2012-06-21 | 2016-05-25 | Jfeスチール株式会社 | High strength stainless steel seamless pipe for oil well with excellent corrosion resistance and manufacturing method thereof |
RU2530113C1 (en) * | 2013-03-05 | 2014-10-10 | Открытое акционерное общество "Челябинский трубопрокатный завод" | PRODUCTION OF SEAMLESS HOT-WORKED MACHINED 610×36,53 mm FROM 15X5"M"-GRADE STEEL FOR REFINERY COMMUNICATIONS WITH STRINGENT REQUIREMENTS TO GEOMETRICAL SIZES |
CN111315906A (en) * | 2017-11-02 | 2020-06-19 | 日本制铁株式会社 | Piercing-rolling machine plug and manufacturing method thereof |
CN110643894B (en) * | 2018-06-27 | 2021-05-14 | 宝山钢铁股份有限公司 | Ultra-high strength hot rolled steel sheet and steel strip having good fatigue and hole expansion properties, and method for manufacturing same |
CN109536829A (en) * | 2018-11-07 | 2019-03-29 | 林州凤宝管业有限公司 | A kind of automobile axle shaft applies seamless steel pipe and its production method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3482772D1 (en) * | 1984-10-11 | 1990-08-23 | Kawasaki Steel Co | STAINLESS STEEL MARTENSITICAL STEEL FOR SEAMLESS TUBES. |
JPH0726180B2 (en) * | 1990-07-30 | 1995-03-22 | 日本鋼管株式会社 | Martensitic stainless steel for oil wells with excellent corrosion resistance |
JPH04210453A (en) * | 1990-12-13 | 1992-07-31 | Kawasaki Steel Corp | Martensitic stainless steel pipe excellent in low temperature toughness and its manufacture |
JP2705416B2 (en) * | 1991-12-19 | 1998-01-28 | 住友金属工業株式会社 | Martensitic stainless steel and manufacturing method |
JPH07109522A (en) * | 1993-10-08 | 1995-04-25 | Sumitomo Metal Ind Ltd | Production of seamless tube of martensitic stainless steel |
JP3538915B2 (en) * | 1994-10-20 | 2004-06-14 | 住友金属工業株式会社 | Martensitic stainless steel for oil country tubular goods with excellent toughness |
JPH09143629A (en) * | 1995-11-17 | 1997-06-03 | Kawasaki Steel Corp | Pipe stock for steel pipe joint coupling and production of pipe stock for steel pipe joint coupling |
JPH09310121A (en) * | 1996-05-17 | 1997-12-02 | Nippon Steel Corp | Production of martensitic seamless heat resistant steel tube |
CN1113974C (en) * | 1999-05-18 | 2003-07-09 | 住友金属工业株式会社 | Martensite stainless steel for seamless steel tube |
JP3491149B2 (en) * | 2000-08-10 | 2004-01-26 | Jfeスチール株式会社 | High-strength martensitic stainless steel pipe for oil well with excellent strength-toughness balance and method for producing the same |
JP4867088B2 (en) * | 2001-06-21 | 2012-02-01 | 住友金属工業株式会社 | Manufacturing method of high Cr seamless steel pipe |
-
2002
- 2002-07-15 JP JP2002206169A patent/JP4126979B2/en not_active Expired - Lifetime
-
2003
- 2003-06-30 AR ARP030102375 patent/AR040354A1/en active IP Right Grant
- 2003-07-07 BR BR0312612-9A patent/BR0312612A/en not_active Application Discontinuation
- 2003-07-07 CN CNB038167352A patent/CN100355914C/en not_active Expired - Lifetime
- 2003-07-07 WO PCT/JP2003/008625 patent/WO2004007780A1/en active Application Filing
- 2003-07-07 CN CNB2007101099334A patent/CN100532617C/en not_active Expired - Lifetime
- 2003-07-07 EP EP03741248.3A patent/EP1521856B1/en not_active Expired - Lifetime
- 2003-07-07 MX MXPA05000454A patent/MXPA05000454A/en active IP Right Grant
- 2003-07-07 AU AU2003280989A patent/AU2003280989A1/en not_active Abandoned
- 2003-07-07 CA CA2491834A patent/CA2491834C/en not_active Expired - Lifetime
-
2005
- 2005-01-14 ZA ZA2005/00365A patent/ZA200500365B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CA2491834C (en) | 2010-06-22 |
EP1521856A1 (en) | 2005-04-13 |
JP2004043935A (en) | 2004-02-12 |
CN100355914C (en) | 2007-12-19 |
JP4126979B2 (en) | 2008-07-30 |
WO2004007780A1 (en) | 2004-01-22 |
BR0312612A (en) | 2005-04-19 |
AU2003280989A1 (en) | 2004-02-02 |
CA2491834A1 (en) | 2004-01-22 |
MXPA05000454A (en) | 2005-03-23 |
CN1668768A (en) | 2005-09-14 |
AR040354A1 (en) | 2005-03-30 |
EP1521856B1 (en) | 2013-08-21 |
CN101070579A (en) | 2007-11-14 |
ZA200500365B (en) | 2005-09-28 |
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Owner name: NIPPON STEEL + SUMITOMO METAL CORPORATION Free format text: FORMER OWNER: CHUGAI SEIYAKU KABUSHIKI KAISHA Effective date: 20130325 |
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Address after: Tokyo, Japan Patentee after: NIPPON STEEL Corp. Address before: Tokyo, Japan Patentee before: NIPPON STEEL & SUMITOMO METAL Corp. |
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Granted publication date: 20090826 |
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