KR900010036A - Method for manufacturing high toughness high strength steel pipe steel for oil wells - Google Patents
Method for manufacturing high toughness high strength steel pipe steel for oil wellsInfo
- Publication number
- KR900010036A KR900010036A KR1019880017916A KR880017916A KR900010036A KR 900010036 A KR900010036 A KR 900010036A KR 1019880017916 A KR1019880017916 A KR 1019880017916A KR 880017916 A KR880017916 A KR 880017916A KR 900010036 A KR900010036 A KR 900010036A
- Authority
- KR
- South Korea
- Prior art keywords
- oil wells
- steel pipe
- high strength
- strength steel
- manufacturing
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019880017916A KR910006027B1 (en) | 1988-12-30 | 1988-12-30 | Making process for steel plate for oil well |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019880017916A KR910006027B1 (en) | 1988-12-30 | 1988-12-30 | Making process for steel plate for oil well |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900010036A true KR900010036A (en) | 1990-07-06 |
KR910006027B1 KR910006027B1 (en) | 1991-08-09 |
Family
ID=19280921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880017916A KR910006027B1 (en) | 1988-12-30 | 1988-12-30 | Making process for steel plate for oil well |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910006027B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100711612B1 (en) * | 2003-05-21 | 2007-04-27 | 수미도모 메탈 인더스트리즈, 리미티드 | Tube d'acier pour systeme de coussin de securite gonflable et procede de production associe |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100431754B1 (en) * | 2001-01-26 | 2004-05-17 | 현대하이스코 주식회사 | Process for producing non-heat treated slurry-type pipe which hardness is guaranteed |
-
1988
- 1988-12-30 KR KR1019880017916A patent/KR910006027B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100711612B1 (en) * | 2003-05-21 | 2007-04-27 | 수미도모 메탈 인더스트리즈, 리미티드 | Tube d'acier pour systeme de coussin de securite gonflable et procede de production associe |
Also Published As
Publication number | Publication date |
---|---|
KR910006027B1 (en) | 1991-08-09 |
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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: 20000802 Year of fee payment: 10 |
|
LAPS | Lapse due to unpaid annual fee |