KR910012293A - 고장력볼트용 선재의 제조방법 - Google Patents
고장력볼트용 선재의 제조방법 Download PDFInfo
- Publication number
- KR910012293A KR910012293A KR1019890020180A KR890020180A KR910012293A KR 910012293 A KR910012293 A KR 910012293A KR 1019890020180 A KR1019890020180 A KR 1019890020180A KR 890020180 A KR890020180 A KR 890020180A KR 910012293 A KR910012293 A KR 910012293A
- Authority
- KR
- South Korea
- Prior art keywords
- wire rod
- manufacturing
- high tension
- tension bolt
- bolt
- Prior art date
Links
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 고장력볼트의 제조공정도.
Claims (1)
- 볼트 가동중에 행하여지는 구상화 열처리 및 소입,소려 열처리를 생략하여 고장력볼트용 선재를 제조하는데 있어서, 중량%로, C : 0.13-0.15%, Si : 0.16-0.20%, Mn : 1.10-1.40%, P : 0.030%이하, S : 0.0030% Nb : 0.0030-0.040%, V : 0.030-0.040%를 포함하는 강을 가열온도를 1100-1200℃로 하고 마루리 압연온도를 소재 표면온도 기준으로 1000-800℃로 하여 압연한후 500-550℃까지 18-22℃/sec의 냉각속도로 강제 냉각후 공냉하는 것을 특징으로하는 고장력볼트용 선재의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890020180A KR920004944B1 (ko) | 1989-12-29 | 1989-12-29 | 고장력볼트용 선재의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890020180A KR920004944B1 (ko) | 1989-12-29 | 1989-12-29 | 고장력볼트용 선재의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910012293A true KR910012293A (ko) | 1991-08-07 |
| KR920004944B1 KR920004944B1 (ko) | 1992-06-22 |
Family
ID=19294218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890020180A KR920004944B1 (ko) | 1989-12-29 | 1989-12-29 | 고장력볼트용 선재의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR920004944B1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100342673B1 (ko) * | 1997-12-29 | 2002-10-11 | 주식회사 포스코 | 구상화열처리특성이우수한중탄소강선재제조방법 |
| KR20190094941A (ko) | 2018-02-06 | 2019-08-14 | 변상교 | 고장력 볼트의 열처리 방법 |
-
1989
- 1989-12-29 KR KR1019890020180A patent/KR920004944B1/ko not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100342673B1 (ko) * | 1997-12-29 | 2002-10-11 | 주식회사 포스코 | 구상화열처리특성이우수한중탄소강선재제조방법 |
| KR20190094941A (ko) | 2018-02-06 | 2019-08-14 | 변상교 | 고장력 볼트의 열처리 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR920004944B1 (ko) | 1992-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20000531 Year of fee payment: 9 |
|
| LAPS | Lapse due to unpaid annual fee |