WO2012137070A3 - Martensitic antibacterial stainless steel and manufacturing method thereof - Google Patents
Martensitic antibacterial stainless steel and manufacturing method thereof Download PDFInfo
- Publication number
- WO2012137070A3 WO2012137070A3 PCT/IB2012/000855 IB2012000855W WO2012137070A3 WO 2012137070 A3 WO2012137070 A3 WO 2012137070A3 IB 2012000855 W IB2012000855 W IB 2012000855W WO 2012137070 A3 WO2012137070 A3 WO 2012137070A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stainless steel
- martensitic
- manufacturing
- antibacterial stainless
- less
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 230000000844 anti-bacterial effect Effects 0.000 title 1
- 229910000734 martensite Inorganic materials 0.000 title 1
- 229910001220 stainless steel Inorganic materials 0.000 title 1
- 239000010935 stainless steel Substances 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000000845 anti-microbial effect Effects 0.000 abstract 1
- 239000004599 antimicrobial Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/02—Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/06—Special casting characterised by the nature of the product by its physical properties
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/32—Soft annealing, e.g. spheroidising
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/02—Hardening by precipitation
-
- 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
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment 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
- C22C38/04—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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
An antimicrobial martensitic stainless steel comprises (by wt%) 0.35-1.20 C, 12.00-26.90 Cr, 0.29-4.60 Cu, 0.27 or less Ag, 0.15-4.60 W, 0.27-2.80 Ni, 0.01-1.25 Nb, 0.01-1.35 V, 1.8 or less Mn, 0.15-4.90 Mo, 2.6 or less Si, 3.6 or less rare earth, balance Fe and incidental impurities. A method for producing the steel is also provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12767409.1A EP2712371A4 (en) | 2011-04-02 | 2012-04-02 | A martensitic antibacterial stainless steel and manufacturing method thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110083730.9A CN102168226B (en) | 2011-04-02 | 2011-04-02 | Martensite antibacterial stainless steel and manufacturing method thereof |
CN201110083730.9 | 2011-04-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012137070A2 WO2012137070A2 (en) | 2012-10-11 |
WO2012137070A3 true WO2012137070A3 (en) | 2013-01-03 |
Family
ID=44489538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2012/000855 WO2012137070A2 (en) | 2011-04-02 | 2012-04-02 | A martensitic antibacterial stainless steel and manufacturing method thereof |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130092296A1 (en) |
EP (1) | EP2712371A4 (en) |
CN (1) | CN102168226B (en) |
WO (1) | WO2012137070A2 (en) |
Families Citing this family (50)
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CN102168226B (en) * | 2011-04-02 | 2013-04-10 | 裘德鑫 | Martensite antibacterial stainless steel and manufacturing method thereof |
CN102330022A (en) * | 2011-09-09 | 2012-01-25 | 天津石泰集团有限公司 | Novel martensite antimicrobial stainless steel, thermal processing method and application thereof |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11343540A (en) * | 1998-06-01 | 1999-12-14 | Nisshin Steel Co Ltd | Martensitic stainless steel excellent in antibacterial property |
JP2000160294A (en) * | 1998-11-24 | 2000-06-13 | Nisshin Steel Co Ltd | High hardness antibacterial steel material and its manufacture |
CN1924058A (en) * | 2005-08-30 | 2007-03-07 | 中国科学院金属研究所 | Rich rare earth stainless steel with excellent anti-bacterium capability |
CN1948535A (en) * | 2006-11-09 | 2007-04-18 | 安徽工业大学 | Rare earth improving antibacterial performance silver containing stainless steel |
CN101205592A (en) * | 2006-12-19 | 2008-06-25 | 中国科学院金属研究所 | Martensitic antibiotic stainless steel and thermal treatment method thereof |
CN101768700A (en) * | 2009-02-01 | 2010-07-07 | 裘德鑫 | Antibacterial martensitic stainless steel applied in hardware industry |
CN102168226A (en) * | 2011-04-02 | 2011-08-31 | 裘德鑫 | Martensite antibacterial stainless steel and manufacturing method thereof |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MY114984A (en) * | 1995-01-13 | 2003-03-31 | Hitachi Metals Ltd | High hardness martensitic stainless steel with good pitting corrosion resistance |
MY118759A (en) * | 1995-12-15 | 2005-01-31 | Nisshin Steel Co Ltd | Use of a stainless steel as an anti-microbial member in a sanitary environment |
-
2011
- 2011-04-02 CN CN201110083730.9A patent/CN102168226B/en active Active
-
2012
- 2012-04-02 WO PCT/IB2012/000855 patent/WO2012137070A2/en active Application Filing
- 2012-04-02 US US13/437,679 patent/US20130092296A1/en not_active Abandoned
- 2012-04-02 EP EP12767409.1A patent/EP2712371A4/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11343540A (en) * | 1998-06-01 | 1999-12-14 | Nisshin Steel Co Ltd | Martensitic stainless steel excellent in antibacterial property |
JP2000160294A (en) * | 1998-11-24 | 2000-06-13 | Nisshin Steel Co Ltd | High hardness antibacterial steel material and its manufacture |
CN1924058A (en) * | 2005-08-30 | 2007-03-07 | 中国科学院金属研究所 | Rich rare earth stainless steel with excellent anti-bacterium capability |
CN1948535A (en) * | 2006-11-09 | 2007-04-18 | 安徽工业大学 | Rare earth improving antibacterial performance silver containing stainless steel |
CN101205592A (en) * | 2006-12-19 | 2008-06-25 | 中国科学院金属研究所 | Martensitic antibiotic stainless steel and thermal treatment method thereof |
CN101768700A (en) * | 2009-02-01 | 2010-07-07 | 裘德鑫 | Antibacterial martensitic stainless steel applied in hardware industry |
CN102168226A (en) * | 2011-04-02 | 2011-08-31 | 裘德鑫 | Martensite antibacterial stainless steel and manufacturing method thereof |
Also Published As
Publication number | Publication date |
---|---|
US20130092296A1 (en) | 2013-04-18 |
WO2012137070A2 (en) | 2012-10-11 |
EP2712371A2 (en) | 2014-04-02 |
CN102168226B (en) | 2013-04-10 |
EP2712371A4 (en) | 2014-10-08 |
CN102168226A (en) | 2011-08-31 |
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