JPS5568121A - Manufacture of large size square steel pipe - Google Patents
Manufacture of large size square steel pipeInfo
- Publication number
- JPS5568121A JPS5568121A JP14268178A JP14268178A JPS5568121A JP S5568121 A JPS5568121 A JP S5568121A JP 14268178 A JP14268178 A JP 14268178A JP 14268178 A JP14268178 A JP 14268178A JP S5568121 A JPS5568121 A JP S5568121A
- Authority
- JP
- Japan
- Prior art keywords
- corners
- steel pipe
- square steel
- large size
- degrees
- 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.)
- Pending
Links
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14268178A JPS5568121A (en) | 1978-11-17 | 1978-11-17 | Manufacture of large size square steel pipe |
US06/093,336 US4301348A (en) | 1978-11-17 | 1979-11-13 | Process for producing large-sized rectangular or square steel pipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14268178A JPS5568121A (en) | 1978-11-17 | 1978-11-17 | Manufacture of large size square steel pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5568121A true JPS5568121A (en) | 1980-05-22 |
Family
ID=15321038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14268178A Pending JPS5568121A (en) | 1978-11-17 | 1978-11-17 | Manufacture of large size square steel pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5568121A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102699107A (zh) * | 2012-06-19 | 2012-10-03 | 武汉钢铁(集团)公司 | 薄壁高强度方矩钢管的冷弯成型方法 |
CN103286527A (zh) * | 2013-03-29 | 2013-09-11 | 常州钢劲型钢有限公司 | 特大口径超壁厚型方形钢管生产工艺 |
CN103801583A (zh) * | 2014-02-13 | 2014-05-21 | 风范绿色建筑(常熟)有限公司 | 大规格直接成方矩管加工工艺 |
CN104401404A (zh) * | 2014-11-27 | 2015-03-11 | 刘权 | 汽车车厢底架纵梁 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5051459A (ja) * | 1973-09-07 | 1975-05-08 |
-
1978
- 1978-11-17 JP JP14268178A patent/JPS5568121A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5051459A (ja) * | 1973-09-07 | 1975-05-08 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102699107A (zh) * | 2012-06-19 | 2012-10-03 | 武汉钢铁(集团)公司 | 薄壁高强度方矩钢管的冷弯成型方法 |
CN103286527A (zh) * | 2013-03-29 | 2013-09-11 | 常州钢劲型钢有限公司 | 特大口径超壁厚型方形钢管生产工艺 |
CN103801583A (zh) * | 2014-02-13 | 2014-05-21 | 风范绿色建筑(常熟)有限公司 | 大规格直接成方矩管加工工艺 |
CN104401404A (zh) * | 2014-11-27 | 2015-03-11 | 刘权 | 汽车车厢底架纵梁 |
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