KR101130258B1 - 경화능이 우수한 석출물 재고용형 고탄소강 및 그 제조 방법 - Google Patents
경화능이 우수한 석출물 재고용형 고탄소강 및 그 제조 방법 Download PDFInfo
- Publication number
- KR101130258B1 KR101130258B1 KR1020040114054A KR20040114054A KR101130258B1 KR 101130258 B1 KR101130258 B1 KR 101130258B1 KR 1020040114054 A KR1020040114054 A KR 1020040114054A KR 20040114054 A KR20040114054 A KR 20040114054A KR 101130258 B1 KR101130258 B1 KR 101130258B1
- Authority
- KR
- South Korea
- Prior art keywords
- carbon steel
- heat treatment
- high carbon
- precipitate
- quenching
- Prior art date
Links
Images
Classifications
-
- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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)
Abstract
Description
구분 | 시편의 주요 조성 (wt %) |
담금질온도 (℃) |
유지시간 (min) |
표면경도 (HRC) |
심부경도 (HRC) |
실시예 1 | C:0.86, V:0.48, Al:0.02 | 1000 | 30 | 58.0 | 35.6 |
비교예 1 | C:0.85, V:0.42, Al:0.28 | 1000 | 30 | 62.7 | 15.6 |
비교예 2 | C:0.84, Ti:0.38, Al:0.19 | 1000 | 30 | 58.3 | 10.2 |
비교예 3 | C:0.83, Nb:0.44, Al:0.33 | 1000 | 30 | 57.2 | 12.3 |
Claims (3)
- 중량 %로 C:0.25~1.3%, V: 0.05~1.2%, Mn:0.20~1.80%, Si:0.10~1.00%, 기타 불가피한 불순물과 잔부가 철(Fe)로 이루어진 용강을 연속주조하여 슬라브(slab)로 주조하는 단계;상기 주조된 슬라브를 가열로에 장입하고 재가열한 다음 열간압연하는 단계;상기 열간압연된 소재를 냉간압연과 풀림 열처리 그리고 가공공정을 거쳐 제품을 제조하는 단계; 그리고상기 제조된 제품에 대하여 950~1100℃ 범위의 담금질 온도에서 10분 이상 유지한 다음 급냉하여 담금질 열처리를 하는 단계;를 포함하는 석출물 재고용형 고탄소강의 제조방법.
- 제 1 항에 있어서,상기 담금질 열처리를 한 제품에 대하여 360~470℃ 또는 650~700℃의 온도 범위에서 뜨임(tempering)열처리를 실시하는 단계;를 더욱 포함하는 석출물 재고용형 고탄소강의 제조방법.
- 중량 %로 C:0.25~1.3%, V: 0.05~1.2%, Mn:0.20~1.80%, Si:0.10~1.00% 그리고 기타 불가피한 불순물과 잔부가 철(Fe)로 이루어지고 950℃ 이상의 온도에서 담금질 열처리하여 바나듐 석출원소가 재고용되어 경화능을 증가시키는 것을 특징 으로 하는 석출물 재고용형 고탄소강.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040114054A KR101130258B1 (ko) | 2004-12-28 | 2004-12-28 | 경화능이 우수한 석출물 재고용형 고탄소강 및 그 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040114054A KR101130258B1 (ko) | 2004-12-28 | 2004-12-28 | 경화능이 우수한 석출물 재고용형 고탄소강 및 그 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060075283A KR20060075283A (ko) | 2006-07-04 |
KR101130258B1 true KR101130258B1 (ko) | 2012-03-26 |
Family
ID=37167837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040114054A KR101130258B1 (ko) | 2004-12-28 | 2004-12-28 | 경화능이 우수한 석출물 재고용형 고탄소강 및 그 제조 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101130258B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030055522A (ko) * | 2001-12-27 | 2003-07-04 | 주식회사 포스코 | 내진형 고탄소 강가공물의 제조방법 |
-
2004
- 2004-12-28 KR KR1020040114054A patent/KR101130258B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030055522A (ko) * | 2001-12-27 | 2003-07-04 | 주식회사 포스코 | 내진형 고탄소 강가공물의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20060075283A (ko) | 2006-07-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4018905B2 (ja) | 機械構造用熱間圧延線材・棒鋼およびその製造方法 | |
EP3715478B1 (en) | Wire rod for cold heading, processed product using same, and manufacturing method therefor | |
JP5121123B2 (ja) | 耐粗粒化特性に優れた高温浸炭用鋼及びその製法並びに高温浸炭用素形品およびその浸炭焼入れ方法 | |
JPH10273756A (ja) | 鋳物製冷間工具およびその製造方法 | |
JPH04365816A (ja) | 冷間加工用棒鋼線材の製造方法 | |
JPWO2011049006A1 (ja) | 高周波焼入れ用鋼及び高周波焼入れ鋼部品の製造方法 | |
KR101977499B1 (ko) | 구상화 연화 열처리 생략이 가능한 선재 및 이의 제조방법 | |
JPH06299240A (ja) | 球状化焼鈍特性の優れた軸受用鋼材の製造方法 | |
CN113366136A (zh) | 高碳热轧钢板和其制造方法 | |
JP3554506B2 (ja) | 機械構造用熱間圧延線材・棒鋼の製造方法 | |
US20240068078A1 (en) | Die steel with a high thermal diffusion coefficient and its preparation methods | |
KR101130258B1 (ko) | 경화능이 우수한 석출물 재고용형 고탄소강 및 그 제조 방법 | |
JPH0643605B2 (ja) | 熱間鍛造用非調質鋼の製造方法 | |
JP7229827B2 (ja) | 高炭素鋼板の製造方法 | |
JP3717745B2 (ja) | マンドレルバーとその製造方法 | |
JPH11131187A (ja) | 迅速黒鉛化鋼および迅速黒鉛化鋼の製造方法 | |
KR100419046B1 (ko) | 마르텐사이트계 스테인레스 강판의 제조방법 | |
KR101322972B1 (ko) | 고탄소 마르텐사이트계 스테인리스강 및 그 제조방법 | |
JPH0762204B2 (ja) | 高靭性熱間鍛造用非調質鋼およびその棒鋼・部品の製造方法 | |
KR101162665B1 (ko) | 석출 경화형 고탄소강 및 그 제조방법 | |
JP4517459B2 (ja) | 超微細マルテンサイト組織を有する鋼材の製造方法 | |
SU1740450A1 (ru) | Способ изготовлени изделий из высокохромистого чугуна | |
JPH03260010A (ja) | 熱間鍛造非調質部品の製造方法 | |
JPH02294450A (ja) | プラスチック成型用金型鋼およびその製造方法 | |
JPH02163319A (ja) | 高靭性鋼の製造方法および高靭性鋼部品の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20150310 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20160203 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20170224 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20180312 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20190128 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20200217 Year of fee payment: 9 |