JPH0377004B2 - - Google Patents
Info
- Publication number
- JPH0377004B2 JPH0377004B2 JP1866985A JP1866985A JPH0377004B2 JP H0377004 B2 JPH0377004 B2 JP H0377004B2 JP 1866985 A JP1866985 A JP 1866985A JP 1866985 A JP1866985 A JP 1866985A JP H0377004 B2 JPH0377004 B2 JP H0377004B2
- Authority
- JP
- Japan
- Prior art keywords
- roll
- pipe
- billet
- seamless steel
- manufacturing
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1866985A JPS61180603A (ja) | 1985-02-04 | 1985-02-04 | 継目無鋼管の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1866985A JPS61180603A (ja) | 1985-02-04 | 1985-02-04 | 継目無鋼管の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61180603A JPS61180603A (ja) | 1986-08-13 |
JPH0377004B2 true JPH0377004B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-12-09 |
Family
ID=11978009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1866985A Granted JPS61180603A (ja) | 1985-02-04 | 1985-02-04 | 継目無鋼管の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61180603A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3367332B2 (ja) * | 1996-05-15 | 2003-01-14 | 日本鋼管株式会社 | 難加工性継目無鋼管の製造方法 |
BRPI0609500B1 (pt) * | 2005-03-31 | 2019-05-14 | Nippon Steel & Sumitomo Metal Corporation | Processo para produção de tubos sem costura |
JP5378522B2 (ja) * | 2010-06-28 | 2013-12-25 | 新日鐵住金株式会社 | 蒸気発生器用伝熱管の製造方法 |
-
1985
- 1985-02-04 JP JP1866985A patent/JPS61180603A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61180603A (ja) | 1986-08-13 |