KR100985354B1 - 저합금강 - Google Patents
저합금강 Download PDFInfo
- Publication number
- KR100985354B1 KR100985354B1 KR1020087006733A KR20087006733A KR100985354B1 KR 100985354 B1 KR100985354 B1 KR 100985354B1 KR 1020087006733 A KR1020087006733 A KR 1020087006733A KR 20087006733 A KR20087006733 A KR 20087006733A KR 100985354 B1 KR100985354 B1 KR 100985354B1
- Authority
- KR
- South Korea
- Prior art keywords
- steel
- less
- creep
- content
- strength
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- 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
- C21D2211/002—Bainite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Description
Claims (2)
- 질량%로, C:0.05 ~ 0.15%, Si:0.05 ~ 0.70%, Mn:0.01 ~ 1.50%, P:0.020% 이하, S:0.010% 이하, Cr:0.8 ~ 8.0%, Mo:0.01 ~ 1.00%, Nd:0.001 ~ 0.100%, sol. Al:0.020% 이하, N:0.015% 이하 및 O(산소): 0.0050% 이하를 포함하고, 잔부는 Fe 및 불순물로 이루어지고,금속 조직이 베이나이트 또는 마텐자이트이며, 강 중의 Nd을 함유하는 개재물의 크기가 0.1μm 이상 10μm 이하이고, 또한 그 개수가 1000μm2당 10개 이상 1000개 이하인 것을 특징으로 하는 저합금강.
- 청구항 1에 있어서,Fe의 일부를 대신하여, Cu:0.5% 이하, Ni:0.5% 이하, V:0.5% 이하, Nb:0.2% 이하, W:2.0% 이하, B:0.01% 이하, Ti:0.020% 이하 및 Ca:0.0050% 이하 중 1종 또는 2종 이상의 원소를 포함하는 것을 특징으로 하는 저합금강.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2005-00258286 | 2005-09-06 | ||
JP2005258286 | 2005-09-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080038236A KR20080038236A (ko) | 2008-05-02 |
KR100985354B1 true KR100985354B1 (ko) | 2010-10-04 |
Family
ID=37835807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020087006733A KR100985354B1 (ko) | 2005-09-06 | 2006-09-05 | 저합금강 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7935303B2 (ko) |
EP (1) | EP1930460B1 (ko) |
JP (1) | JP4816642B2 (ko) |
KR (1) | KR100985354B1 (ko) |
CN (1) | CN101258256B (ko) |
CA (1) | CA2621014C (ko) |
DE (1) | DE602006020890D1 (ko) |
WO (1) | WO2007029687A1 (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102747280B (zh) * | 2012-07-31 | 2014-10-01 | 宝山钢铁股份有限公司 | 一种高强度高韧性耐磨钢板及其制造方法 |
CN102747282B (zh) * | 2012-07-31 | 2015-04-22 | 宝山钢铁股份有限公司 | 一种高硬度高韧性耐磨钢板及其制造方法 |
CN102876969B (zh) * | 2012-07-31 | 2015-03-04 | 宝山钢铁股份有限公司 | 一种超高强度高韧性耐磨钢板及其制造方法 |
CN104662193B (zh) * | 2012-09-19 | 2017-03-08 | 杰富意钢铁株式会社 | 低温韧性和耐腐蚀磨损性优异的耐磨损钢板 |
CN105940133B (zh) | 2014-01-28 | 2017-11-07 | 杰富意钢铁株式会社 | 耐磨损钢板及其制造方法 |
CN105463327A (zh) * | 2015-12-12 | 2016-04-06 | 郭策 | 大型水电站混流式水轮机涡壳 |
BR102016001063B1 (pt) | 2016-01-18 | 2021-06-08 | Amsted Maxion Fundição E Equipamentos Ferroviários S/A | liga de aço para componentes ferroviários, e processo de obtenção de uma liga de aço para componentes ferroviários |
CN106756622A (zh) * | 2016-12-04 | 2017-05-31 | 丹阳市宸兴环保设备有限公司 | 一种搅拌器旋桨用合金钢材料 |
CN107151760A (zh) * | 2017-06-12 | 2017-09-12 | 合肥铭佑高温技术有限公司 | 一种高温设备配套钢管及其生产方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001342549A (ja) | 2000-03-30 | 2001-12-14 | Sumitomo Metal Ind Ltd | 低・中Cr系耐熱鋼 |
JP2002235154A (ja) | 2001-02-07 | 2002-08-23 | Sumitomo Metal Ind Ltd | 高Crフェライト系耐熱鋼材 |
JP2003193178A (ja) | 2001-12-27 | 2003-07-09 | Sumitomo Metal Ind Ltd | 低合金フェライト系耐熱鋼 |
JP2004107719A (ja) * | 2002-09-18 | 2004-04-08 | Sumitomo Metal Ind Ltd | 低合金鋼 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2823992A (en) * | 1956-11-09 | 1958-02-18 | American Metallurg Products Co | Alloy steels |
JP3336573B2 (ja) | 1994-11-04 | 2002-10-21 | 新日本製鐵株式会社 | 高強度フェライト系耐熱鋼およびその製造方法 |
JP3468975B2 (ja) | 1996-01-31 | 2003-11-25 | 三菱重工業株式会社 | 低合金耐熱鋼および蒸気タービンロータ |
JPH1136038A (ja) * | 1997-07-16 | 1999-02-09 | Mitsubishi Heavy Ind Ltd | 耐熱鋳鋼 |
WO2006109664A1 (ja) * | 2005-04-07 | 2006-10-19 | Sumitomo Metal Industries, Ltd. | フェライト系耐熱鋼 |
JP4561834B2 (ja) * | 2005-04-18 | 2010-10-13 | 住友金属工業株式会社 | 低合金鋼 |
-
2006
- 2006-09-05 DE DE602006020890T patent/DE602006020890D1/de active Active
- 2006-09-05 JP JP2007534424A patent/JP4816642B2/ja active Active
- 2006-09-05 KR KR1020087006733A patent/KR100985354B1/ko active IP Right Grant
- 2006-09-05 WO PCT/JP2006/317532 patent/WO2007029687A1/ja active Application Filing
- 2006-09-05 EP EP06797438A patent/EP1930460B1/en not_active Not-in-force
- 2006-09-05 CN CN2006800327337A patent/CN101258256B/zh not_active Expired - Fee Related
- 2006-09-05 CA CA2621014A patent/CA2621014C/en not_active Expired - Fee Related
-
2008
- 2008-03-04 US US12/073,324 patent/US7935303B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001342549A (ja) | 2000-03-30 | 2001-12-14 | Sumitomo Metal Ind Ltd | 低・中Cr系耐熱鋼 |
JP2002235154A (ja) | 2001-02-07 | 2002-08-23 | Sumitomo Metal Ind Ltd | 高Crフェライト系耐熱鋼材 |
JP2003193178A (ja) | 2001-12-27 | 2003-07-09 | Sumitomo Metal Ind Ltd | 低合金フェライト系耐熱鋼 |
JP2004107719A (ja) * | 2002-09-18 | 2004-04-08 | Sumitomo Metal Ind Ltd | 低合金鋼 |
Also Published As
Publication number | Publication date |
---|---|
JP4816642B2 (ja) | 2011-11-16 |
EP1930460B1 (en) | 2011-03-23 |
KR20080038236A (ko) | 2008-05-02 |
EP1930460A1 (en) | 2008-06-11 |
CN101258256A (zh) | 2008-09-03 |
CN101258256B (zh) | 2010-11-24 |
CA2621014C (en) | 2011-11-29 |
US20080156400A1 (en) | 2008-07-03 |
CA2621014A1 (en) | 2007-03-15 |
US7935303B2 (en) | 2011-05-03 |
JPWO2007029687A1 (ja) | 2009-03-19 |
EP1930460A4 (en) | 2010-03-24 |
WO2007029687A1 (ja) | 2007-03-15 |
DE602006020890D1 (de) | 2011-05-05 |
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