JPS60111783A - 電縫鋼管の製造方法 - Google Patents
電縫鋼管の製造方法Info
- Publication number
- JPS60111783A JPS60111783A JP21871283A JP21871283A JPS60111783A JP S60111783 A JPS60111783 A JP S60111783A JP 21871283 A JP21871283 A JP 21871283A JP 21871283 A JP21871283 A JP 21871283A JP S60111783 A JPS60111783 A JP S60111783A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- roll
- fin pass
- edge
- raw
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims description 37
- 230000000452 restraining effect Effects 0.000 claims description 14
- 238000003466 welding Methods 0.000 description 18
- 239000000463 material Substances 0.000 description 13
- 238000000465 moulding Methods 0.000 description 13
- 230000007547 defect Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 230000002950 deficient Effects 0.000 description 5
- 239000011324 bead Substances 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/08—Seam welding not restricted to one of the preceding subgroups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21871283A JPS60111783A (ja) | 1983-11-22 | 1983-11-22 | 電縫鋼管の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21871283A JPS60111783A (ja) | 1983-11-22 | 1983-11-22 | 電縫鋼管の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60111783A true JPS60111783A (ja) | 1985-06-18 |
| JPH0215316B2 JPH0215316B2 (enrdf_load_stackoverflow) | 1990-04-11 |
Family
ID=16724245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21871283A Granted JPS60111783A (ja) | 1983-11-22 | 1983-11-22 | 電縫鋼管の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60111783A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816781A (ja) * | 1981-07-24 | 1983-01-31 | Sumitomo Metal Ind Ltd | 溶接管の製造方法 |
-
1983
- 1983-11-22 JP JP21871283A patent/JPS60111783A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5816781A (ja) * | 1981-07-24 | 1983-01-31 | Sumitomo Metal Ind Ltd | 溶接管の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0215316B2 (enrdf_load_stackoverflow) | 1990-04-11 |
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