JPS632686B2 - - Google Patents
Info
- Publication number
- JPS632686B2 JPS632686B2 JP210080A JP210080A JPS632686B2 JP S632686 B2 JPS632686 B2 JP S632686B2 JP 210080 A JP210080 A JP 210080A JP 210080 A JP210080 A JP 210080A JP S632686 B2 JPS632686 B2 JP S632686B2
- Authority
- JP
- Japan
- Prior art keywords
- roll
- section
- cross
- welded
- rolls
- 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 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 6
- 244000154165 Ferocactus hamatacanthus Species 0.000 claims description 5
- 235000011499 Ferocactus hamatacanthus Nutrition 0.000 claims description 5
- 239000000463 material Substances 0.000 description 21
- 238000004513 sizing Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 235000011911 Echinocactus horizonthalonius horizonthalonius Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP210080A JPS5699094A (en) | 1980-01-14 | 1980-01-14 | Manufacture of square welded steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP210080A JPS5699094A (en) | 1980-01-14 | 1980-01-14 | Manufacture of square welded steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5699094A JPS5699094A (en) | 1981-08-10 |
| JPS632686B2 true JPS632686B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-01-20 |
Family
ID=11519921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP210080A Granted JPS5699094A (en) | 1980-01-14 | 1980-01-14 | Manufacture of square welded steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5699094A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58110780A (ja) * | 1981-12-25 | 1983-07-01 | 橋本フオ−ミング工業株式会社 | 車輛用ドアサツシの製造方法 |
| JPS58224084A (ja) * | 1982-06-21 | 1983-12-26 | Teruyoshi Imamura | 角形電縫鋼管の製造方法 |
| CN104307924A (zh) * | 2014-11-14 | 2015-01-28 | 武汉钢铁(集团)公司 | 方矩形管冷弯成型方法 |
-
1980
- 1980-01-14 JP JP210080A patent/JPS5699094A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5699094A (en) | 1981-08-10 |