KR100412771B1 - 산업 보일러용 강관의 제조방법 - Google Patents
산업 보일러용 강관의 제조방법 Download PDFInfo
- Publication number
- KR100412771B1 KR100412771B1 KR10-2000-0076475A KR20000076475A KR100412771B1 KR 100412771 B1 KR100412771 B1 KR 100412771B1 KR 20000076475 A KR20000076475 A KR 20000076475A KR 100412771 B1 KR100412771 B1 KR 100412771B1
- Authority
- KR
- South Korea
- Prior art keywords
- steel pipe
- temperature
- heat treatment
- steel
- less
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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 Articles (AREA)
Abstract
Description
Claims (2)
- 산업 보일러용 강관에 있어서, 중량 wt%로, C:0.1∼0.3%, Mn:0.4∼0.8%, Si:0.1∼0.3%, P:0.02% 이하, S:0.005% 이하를 기본성분으로 하고, 여기에 Al:Max.0.03% 또는 Mo:0.4~0.7% 또는 이들 Al과 Mo이 같이 첨가된 열간압연강판을 이용하여 제조된 강관을 풀 보비(FULL BOBY) 열처리하고, 상기 성분조성강관을 풀보비 열처리할 때 920℃의 항온노르말라이징 온도에서의 온도관리상의 허용오차를 ±10℃ 이내로 엄격히 관리하는 것을 특징으로 하는 우수한 고온강도를 지닌 산업 보일러용 강관의 제조방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0076475A KR100412771B1 (ko) | 2000-12-14 | 2000-12-14 | 산업 보일러용 강관의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0076475A KR100412771B1 (ko) | 2000-12-14 | 2000-12-14 | 산업 보일러용 강관의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020047853A KR20020047853A (ko) | 2002-06-22 |
KR100412771B1 true KR100412771B1 (ko) | 2003-12-31 |
Family
ID=27681820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0076475A KR100412771B1 (ko) | 2000-12-14 | 2000-12-14 | 산업 보일러용 강관의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100412771B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54136519A (en) * | 1978-04-17 | 1979-10-23 | Nippon Kokan Kk <Nkk> | Hot rolled steel plate for welded steel pipe used in slurry conveyance |
JPS58199818A (ja) * | 1982-05-17 | 1983-11-21 | Nippon Steel Corp | 高強度油井用鋼管の製造方法 |
JPS5925931A (ja) * | 1982-08-03 | 1984-02-10 | Nippon Steel Corp | 自動車用電縫鋼管の製造方法 |
-
2000
- 2000-12-14 KR KR10-2000-0076475A patent/KR100412771B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54136519A (en) * | 1978-04-17 | 1979-10-23 | Nippon Kokan Kk <Nkk> | Hot rolled steel plate for welded steel pipe used in slurry conveyance |
JPS58199818A (ja) * | 1982-05-17 | 1983-11-21 | Nippon Steel Corp | 高強度油井用鋼管の製造方法 |
JPS5925931A (ja) * | 1982-08-03 | 1984-02-10 | Nippon Steel Corp | 自動車用電縫鋼管の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20020047853A (ko) | 2002-06-22 |
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