JPS6337167B2 - - Google Patents
Info
- Publication number
- JPS6337167B2 JPS6337167B2 JP2779783A JP2779783A JPS6337167B2 JP S6337167 B2 JPS6337167 B2 JP S6337167B2 JP 2779783 A JP2779783 A JP 2779783A JP 2779783 A JP2779783 A JP 2779783A JP S6337167 B2 JPS6337167 B2 JP S6337167B2
- Authority
- JP
- Japan
- Prior art keywords
- electric resistance
- resistance welded
- hardenability
- seconds
- strength
- 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
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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
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 Articles (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2779783A JPS59153841A (ja) | 1983-02-23 | 1983-02-23 | 一様な強度を有する高張力電縫鋼管の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2779783A JPS59153841A (ja) | 1983-02-23 | 1983-02-23 | 一様な強度を有する高張力電縫鋼管の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59153841A JPS59153841A (ja) | 1984-09-01 |
JPS6337167B2 true JPS6337167B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-07-25 |
Family
ID=12230962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2779783A Granted JPS59153841A (ja) | 1983-02-23 | 1983-02-23 | 一様な強度を有する高張力電縫鋼管の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59153841A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60230960A (ja) * | 1984-04-27 | 1985-11-16 | Daido Steel Co Ltd | 機械構造用部品の製造方法 |
JPS61272318A (ja) * | 1985-05-28 | 1986-12-02 | Nippon Steel Corp | 高強度油井管用電縫鋼管の製造方法 |
EP0234200B1 (de) * | 1986-01-21 | 1990-12-05 | Siemens Aktiengesellschaft | Verfahren und Vorrichtungen zur Wärmebehandlung von längsnahtgeschweissten Rohren |
JP5353256B2 (ja) * | 2008-01-21 | 2013-11-27 | Jfeスチール株式会社 | 中空部材およびその製造方法 |
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1983
- 1983-02-23 JP JP2779783A patent/JPS59153841A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59153841A (ja) | 1984-09-01 |