JPH0213008B2 - - Google Patents
Info
- Publication number
- JPH0213008B2 JPH0213008B2 JP12179685A JP12179685A JPH0213008B2 JP H0213008 B2 JPH0213008 B2 JP H0213008B2 JP 12179685 A JP12179685 A JP 12179685A JP 12179685 A JP12179685 A JP 12179685A JP H0213008 B2 JPH0213008 B2 JP H0213008B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- strength
- electric resistance
- quenching
- steel pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 238000010791 quenching Methods 0.000 claims description 15
- 230000000171 quenching effect Effects 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000005098 hot rolling Methods 0.000 claims description 6
- 239000003129 oil well Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 3
- 239000012535 impurity Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000004513 sizing Methods 0.000 claims 1
- 238000005496 tempering Methods 0.000 description 15
- 238000001816 cooling Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000003303 reheating Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12179685A JPS61279623A (ja) | 1985-06-05 | 1985-06-05 | ７７ｋｇｆ／ｍｍ↑２以上の降伏強度を持つた高強度油井管用電縫鋼管の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12179685A JPS61279623A (ja) | 1985-06-05 | 1985-06-05 | ７７ｋｇｆ／ｍｍ↑２以上の降伏強度を持つた高強度油井管用電縫鋼管の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61279623A JPS61279623A (ja) | 1986-12-10 |
| JPH0213008B2 true JPH0213008B2 (es) | 1990-04-03 |
Family
ID=14820126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12179685A Granted JPS61279623A (ja) | 1985-06-05 | 1985-06-05 | ７７ｋｇｆ／ｍｍ↑２以上の降伏強度を持つた高強度油井管用電縫鋼管の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61279623A (es) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04101910A (ja) * | 1990-08-13 | 1992-04-03 | Murata Mach Ltd | フローラックへの物品供給装置 |
| JPH04115805U (ja) * | 1991-03-28 | 1992-10-15 | 新日本製鐵株式会社 | 立体倉庫 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2490700C (en) | 2002-06-19 | 2014-02-25 | Nippon Steel Corporation | Oil country tubular goods excellent in collapse characteristics after expansion and method of production thereof |
| KR101368604B1 (ko) | 2011-04-19 | 2014-02-27 | 신닛테츠스미킨 카부시키카이샤 | 유정용 전봉 강관 및 유정용 전봉 강관의 제조 방법 |
-
1985
- 1985-06-05 JP JP12179685A patent/JPS61279623A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04101910A (ja) * | 1990-08-13 | 1992-04-03 | Murata Mach Ltd | フローラックへの物品供給装置 |
| JPH04115805U (ja) * | 1991-03-28 | 1992-10-15 | 新日本製鐵株式会社 | 立体倉庫 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61279623A (ja) | 1986-12-10 |
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