KR870003211A - 대입열 용접특성이 우수하며 충격인성 이방성이 없는 비조질 고장력강의 제조방법 - Google Patents
대입열 용접특성이 우수하며 충격인성 이방성이 없는 비조질 고장력강의 제조방법 Download PDFInfo
- Publication number
- KR870003211A KR870003211A KR1019850006822A KR850006822A KR870003211A KR 870003211 A KR870003211 A KR 870003211A KR 1019850006822 A KR1019850006822 A KR 1019850006822A KR 850006822 A KR850006822 A KR 850006822A KR 870003211 A KR870003211 A KR 870003211A
- Authority
- KR
- South Korea
- Prior art keywords
- tensile strength
- strength steel
- heat input
- manufacturing
- high tensile
- Prior art date
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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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 용접입열량 178kj/cm의 단층 용접본드부 상당의 재현 열사이클 곡선도
제2도는 용접입열량 190kj/cm의 일렉트로 가스용접의 용접조건
제3도는 모재에 있어서 압연방향 및 압연 직각방향의 2mm 브이샤피 천이곡선
Claims (1)
- 인장강도 50kg/mm2극대입열 용접용 고장력강의 제조에 있어서 특히 V:0.015-0.050%, Ti:0.010-0.020%, Ca:0.0005-0.005%, AI:0.01-0.080%, N:0.0030-0.0070%(이상중량%)을 함유하는 강의 슬라브를 열간압연시 900℃이하의 누적압하율을 50%이상으로 하고 동시에 마무리온도를 800℃이하로 한정한 것을 특징으로하는 대입열 용접특성이 우수하며 충격인성 이방성이 없는 비조질 고장력강의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019850006822A KR890002034B1 (ko) | 1985-09-18 | 1985-09-18 | 인장강도 50kg/mm²급 비조질고장력강의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019850006822A KR890002034B1 (ko) | 1985-09-18 | 1985-09-18 | 인장강도 50kg/mm²급 비조질고장력강의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870003211A true KR870003211A (ko) | 1987-04-16 |
| KR890002034B1 KR890002034B1 (ko) | 1989-06-08 |
Family
ID=19242755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019850006822A KR890002034B1 (ko) | 1985-09-18 | 1985-09-18 | 인장강도 50kg/mm²급 비조질고장력강의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR890002034B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101253852B1 (ko) * | 2009-08-04 | 2013-04-12 | 주식회사 포스코 | 고인성 비조질 압연재, 신선재 및 그 제조방법 |
-
1985
- 1985-09-18 KR KR1019850006822A patent/KR890002034B1/ko not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101253852B1 (ko) * | 2009-08-04 | 2013-04-12 | 주식회사 포스코 | 고인성 비조질 압연재, 신선재 및 그 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR890002034B1 (ko) | 1989-06-08 |
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