KR20020083181A - 고강도 스프링강 및 스프링강선 - Google Patents
고강도 스프링강 및 스프링강선 Download PDFInfo
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- KR20020083181A KR20020083181A KR1020027012197A KR20027012197A KR20020083181A KR 20020083181 A KR20020083181 A KR 20020083181A KR 1020027012197 A KR1020027012197 A KR 1020027012197A KR 20027012197 A KR20027012197 A KR 20027012197A KR 20020083181 A KR20020083181 A KR 20020083181A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10788—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing ethylene vinylacetate
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- 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
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- 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
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- 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
- 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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
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- 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
- C21D2211/003—Cementite
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S148/00—Metal treatment
- Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
- Y10S148/908—Spring
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims (11)
- 질량 %로, C : 0.4 ~ 1.2%, Si : 0.9 ~ 3.0%, Mn : 0.1 ~ 2.0%, P ≤ 0.015%, S ≤ 0.015%, Cr ≤ 2.5%, N : 0.001 ~ 0.015%, 잔부 Fe 및 불가피한 불순물로 이루어지며, 열간압연 후의 강의 미세조직에 있어서, 원상당경으로 0.2 ~ 3 ㎛의 시멘타이트계 구상 탄화물의 존재밀도가 0.5개/㎛2이하, 원상당경으로 3 ㎛를 초과하는 시멘타이트계 구상 탄화물의 존재밀도가 0.005개/㎛2이하인 것을 특징으로 하는 고강도 스프링강 및 스프링용 강선.
- 제1항에 있어서, 추가적으로, 질량 %로, W : 0.05 ~ 1.0%, Co : 0.05 ~ 5.0%, Ti : 0.005 ~ 0.1%, Mo : 0.05 ~ 1.0%, V : 0.05 ~ 0.7%, Nb : 0.01 ~ 0.05%, B : 0.0005 ~ 0.006%, Ni : 0.05 ~ 5.0%, Cu : 0.05 ~ 0.5%, Mg : 0.0002 ~ 0.01%의 1종 또는 2종 이상을 함유하는 것을 특징으로 하는 고강도 스프링강 및 스프링용 강선.
- 질량 %로, C : 0.4 ~ 0.8%, Si : 0.9 ~ 3.0%, Mn : 0.1 ~ 2.0%, P ≤ 0.015%, S ≤ 0.015%, Cr ≤ 1.5%, N : 0.001 ~ 0.007%, 잔부 Fe 및 불가피한 불순물로 이루어지며, 열간압연 후의 강의 미세조직에 있어서, 원상당경으로 0.2 ~ 3 ㎛의 시멘타이트계 구상 탄화물의 존재밀도가 0.5개/㎛2이하, 원상당경으로 3 ㎛를초과하는 시멘타이트계 구상 탄화물의 존재밀도가 0.005개/㎛2이하인 것을 특징으로 하는 고강도 스프링강.
- 제3항에 있어서, 추가적으로, 질량 %로, W : 0.05 ~ 1.0%, Co : 0.05 ~ 5.0%, Ti : 0.005 ~ 0.1%, Mo : 0.05 ~ 1.0%, V : 0.05 ~ 0.7%, Nb : 0.01 ~ 0.05%, B : 0.0005 ~ 0.006%, Ni : 0.05 ~ 5.0%, Cu : 0.05 ~ 0.5%, Mg : 0.0002 ~ 0.01%의 1종 또는 2종 이상을 함유하는 것을 특징으로 하는 고강도 스프링강.
- 질량 %로, C : 0.8 ~ 1.0%, Si : 0.9 ~ 3.0%, Mn : 0.1 ~ 2.0%, P ≤ 0.015%, S ≤ 0.015%, Cr ≤ 0.5%, N : 0.001 ~ 0.007%를 함유하고, 그리고, W : 0.05 ~ 1.0% 또는 Co : 0.05 ~ 5.0%의 1종 또는 2종을 함유하고, 잔부 Fe 및 불가피한 불순물로 이루어지며, 열간압연 후의 강의 미세조직에 있어서, 원상당경으로 0.2 ~ 3㎛의 시멘타이트계 구상 탄화물의 존재밀도가 0.5개/㎛2이하, 원상당경으로 3㎛를 초과하는 시멘타이트계 구상 탄화물의 존재밀도가 0.005개/㎛2이하인 것을 특징으로 하는 고강도 스프링강.
- 제5항에 있어서, 추가적으로, 질량 %로, Ti : 0.005 ~ 0.1%, Mo : 0.05 ~ 1.0%, V : 0.05 ~ 0.7%, Nb : 0.01 ~ 0.05%, B : 0.0005 ~ 0.006%, Ni : 0.05 ~ 5.0%, Cu : 0.05 ~ 0.5%, Mg : 0.0002 ~ 0.01%의 1종 또는 2종 이상을 함유하는 것을 특징으로 하는 고강도 스프링강.
- 질량 %로, C : 0.8 ~ 1.2%, Si : 0.9 ~ 3.0%, Mn : 0.1 ~ 2.0%, P ≤ 0.015%, S ≤ 0.015%, Cr : 0.5 ~ 1.5%, N : 0.001 ~ 0.015%, W : 0.05 ~ 1.0%를 함유하고, 잔부 Fe 및 불가피한 불순물로 이루어지는 것을 특징으로 하는 고강도 스프링강.
- 제7항에 있어서, 추가적으로, 질량 %로, Ti : 0.005 ~ 0.1%, Mo : 0.05 ~ 1.0%, V : 0.05 ~ 0.7%, Nb : 0.01 ~ 0.05%, B : 0.0005 ~ 0.006%, Ni : 0.05 ~ 5.0%, Cu : 0.05 ~ 0.5%, Mg : 0.0002 ~ 0.01%의 1종 또는 2종 이상을 함유하는 것을 특징으로 하는 고강도 스프링강.
- 제7항 또는 제8항에 있어서, 상기 강의 열간압연 후의 강의 미세조직은, 원상당경으로 0.2 ~ 3㎛의 시멘타이트계 구상 탄화물의 존재밀도가 0.5개/㎛2이하, 원상당경으로 3㎛를 초과하는 시멘타이트계 구상 탄화물의 존재밀도가 0.005개/㎛2이하인 것을 특징으로 하는 고강도 스프링강.
- 질량 %로, C : 0.4 ~ 1.0%, Si : 0.9 ~ 3.0%, Mn : 0.1 ~ 2.0%, P ≤ 0.015%, S ≤ 0.015%, Cr ≤ 2.5%, N : 0.001 ~ 0.007%를 함유하고, 잔부 Fe 및 불가피한 불순물로 이루어지며, 인장강도(TS)가 1900MPa 이상, 검경면에 점유하는 시멘타이트계 구상 탄화물은, 원상당경으로 0.2㎛ 이상의 점유 면적율이 7% 이하, 원상당경으로 0.2㎛ 이상의 존재밀도가 1개/㎛2이하, 원상당경으로 3㎛ 초과의 존재밀도가 0.001개/㎛2이하이며, 또한 구오스테나이트(prior austenite) 입경번호가 10번 이상, 최대탄화물이 15㎛ 이하, 산화물 입경이 15㎛ 이하인 것을 특징으로 하는 고강도 스프링용 열처리 강선.
- 제10항에 있어서, 추가적으로, 질량 %로, W : 0.05 ~ 1.0%, Co : 0.05 ~ 5.0%, Ti : 0.005 ~ 0.1%, Mo : 0.05 ~ 1.0%, V : 0.05 ~ 0.7%, Nb : 0.01 ~ 0.05%, B : 0.0005 ~ 0.006%, Ni : 0.05 ~ 5.0%, Cu : 0.05 ~ 0.5%, Mg : 0.0002 ~ 0.01%의 1종 또는 2종 이상을 함유하는 것을 특징으로 하는 고강도 스프링용 열처리 강선.
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2000-00386900 | 2000-12-20 | ||
JP2000386901A JP3971570B2 (ja) | 2000-12-20 | 2000-12-20 | 高強度ばね用熱間圧延線材 |
JP2000386902A JP3971571B2 (ja) | 2000-12-20 | 2000-12-20 | 高強度ばね用鋼線 |
JPJP-P-2000-00386902 | 2000-12-20 | ||
JPJP-P-2000-00386901 | 2000-12-20 | ||
JP2000386900A JP3971569B2 (ja) | 2000-12-20 | 2000-12-20 | 高強度ばね用熱間圧延線材 |
JP2001364875A JP3971602B2 (ja) | 2001-11-29 | 2001-11-29 | 高強度ばね用熱間圧延線材 |
JPJP-P-2001-00364875 | 2001-11-29 |
Publications (2)
Publication Number | Publication Date |
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KR20020083181A true KR20020083181A (ko) | 2002-11-01 |
KR100514120B1 KR100514120B1 (ko) | 2005-09-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2002-7012197A KR100514120B1 (ko) | 2000-12-20 | 2001-12-20 | 고강도 스프링강 및 스프링강선 |
Country Status (5)
Country | Link |
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US (1) | US7789974B2 (ko) |
EP (1) | EP1347069B1 (ko) |
KR (1) | KR100514120B1 (ko) |
DE (1) | DE60131294T2 (ko) |
WO (1) | WO2002050327A1 (ko) |
Cited By (6)
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KR100847775B1 (ko) * | 2006-12-28 | 2008-07-23 | 주식회사 포스코 | 피로특성이 우수한 스프링강 및 이를 제조하기 위한 연속 주조장치 |
KR100954788B1 (ko) * | 2002-12-23 | 2010-04-28 | 재단법인 포항산업과학연구원 | 고온변형저항 특성이 우수한 슬라이딩게이트용 코일스프링 |
US10494705B2 (en) | 2015-12-04 | 2019-12-03 | Hyundai Motor Company | Ultra high-strength spring steel |
US10689736B2 (en) | 2015-12-07 | 2020-06-23 | Hyundai Motor Company | Ultra-high-strength spring steel for valve spring |
US10718039B2 (en) | 2016-04-15 | 2020-07-21 | Hyundai Motor Company | High strength spring steel having excellent corrosion resistance |
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EP1832666B1 (en) * | 2003-02-20 | 2011-04-13 | Nippon Steel Corporation | High-strength steel material with excellent hydrogen embrittlement resistance |
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KR102163359B1 (ko) | 2016-01-26 | 2020-10-08 | 닛폰세이테츠 가부시키가이샤 | 스프링강 및 스프링 |
KR101819343B1 (ko) * | 2016-07-01 | 2018-01-17 | 주식회사 포스코 | 신선가공성이 우수한 선재 및 그 제조방법 |
CN106011630A (zh) * | 2016-07-06 | 2016-10-12 | 安徽红桥金属制造有限公司 | 一种高疲劳强度的汽车悬架弹簧用钢及其制备方法 |
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JP6356309B1 (ja) * | 2016-10-19 | 2018-07-11 | 三菱製鋼株式会社 | 高強度ばね、およびその製造方法、ならびに高強度ばね用鋼、およびその製造方法 |
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2001
- 2001-12-20 US US10/362,651 patent/US7789974B2/en not_active Expired - Fee Related
- 2001-12-20 EP EP01271133A patent/EP1347069B1/en not_active Expired - Lifetime
- 2001-12-20 DE DE60131294T patent/DE60131294T2/de not_active Expired - Lifetime
- 2001-12-20 KR KR10-2002-7012197A patent/KR100514120B1/ko active IP Right Grant
- 2001-12-20 WO PCT/JP2001/011216 patent/WO2002050327A1/ja active IP Right Grant
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KR100954788B1 (ko) * | 2002-12-23 | 2010-04-28 | 재단법인 포항산업과학연구원 | 고온변형저항 특성이 우수한 슬라이딩게이트용 코일스프링 |
KR100823780B1 (ko) * | 2005-11-18 | 2008-04-21 | 가부시키가이샤 고베 세이코쇼 | 산세성(酸洗性)이 우수한 스프링용 강선재(鋼線材) |
KR100847775B1 (ko) * | 2006-12-28 | 2008-07-23 | 주식회사 포스코 | 피로특성이 우수한 스프링강 및 이를 제조하기 위한 연속 주조장치 |
US10494705B2 (en) | 2015-12-04 | 2019-12-03 | Hyundai Motor Company | Ultra high-strength spring steel |
US10689736B2 (en) | 2015-12-07 | 2020-06-23 | Hyundai Motor Company | Ultra-high-strength spring steel for valve spring |
US10718039B2 (en) | 2016-04-15 | 2020-07-21 | Hyundai Motor Company | High strength spring steel having excellent corrosion resistance |
Also Published As
Publication number | Publication date |
---|---|
US20030201036A1 (en) | 2003-10-30 |
US7789974B2 (en) | 2010-09-07 |
DE60131294D1 (de) | 2007-12-20 |
DE60131294T2 (de) | 2008-08-28 |
EP1347069B1 (en) | 2007-11-07 |
EP1347069A1 (en) | 2003-09-24 |
WO2002050327A1 (fr) | 2002-06-27 |
EP1347069A4 (en) | 2005-04-06 |
KR100514120B1 (ko) | 2005-09-13 |
EP1347069A9 (en) | 2004-02-25 |
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