JPH0558840B2 - - Google Patents
Info
- Publication number
- JPH0558840B2 JPH0558840B2 JP63312682A JP31268288A JPH0558840B2 JP H0558840 B2 JPH0558840 B2 JP H0558840B2 JP 63312682 A JP63312682 A JP 63312682A JP 31268288 A JP31268288 A JP 31268288A JP H0558840 B2 JPH0558840 B2 JP H0558840B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- welding
- upset
- welded
- electric resistance
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000003466 welding Methods 0.000 description 30
- 238000005304 joining Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
Landscapes
- Laser Beam Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63312682A JPH02160189A (ja) | 1988-12-09 | 1988-12-09 | 電縫管の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63312682A JPH02160189A (ja) | 1988-12-09 | 1988-12-09 | 電縫管の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02160189A JPH02160189A (ja) | 1990-06-20 |
| JPH0558840B2 true JPH0558840B2 (ru) | 1993-08-27 |
Family
ID=18032155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63312682A Granted JPH02160189A (ja) | 1988-12-09 | 1988-12-09 | 電縫管の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02160189A (ru) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0847716A (ja) * | 1994-08-05 | 1996-02-20 | Nkk Corp | 耐ｈｉｃおよび耐ｓｓｃｃ特性に優れた電縫鋼管の製造方法 |
| KR20190116401A (ko) * | 2017-02-13 | 2019-10-14 | 닛테츠 닛신 세이코 가부시키가이샤 | 전봉 금속관의 제조 방법 및 그 전봉 금속관 |
| CN108436390B (zh) * | 2018-02-09 | 2019-12-17 | 方绪龙 | 一种面食加工设备的轴辊支撑板加工方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56168981A (en) * | 1980-05-28 | 1981-12-25 | Sumitomo Metal Ind Ltd | Production of electric welded tube |
| JPS58100982A (ja) * | 1981-12-09 | 1983-06-15 | Nippon Steel Corp | エネルギビ−ム併用電気抵抗溶接法 |
-
1988
- 1988-12-09 JP JP63312682A patent/JPH02160189A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56168981A (en) * | 1980-05-28 | 1981-12-25 | Sumitomo Metal Ind Ltd | Production of electric welded tube |
| JPS58100982A (ja) * | 1981-12-09 | 1983-06-15 | Nippon Steel Corp | エネルギビ−ム併用電気抵抗溶接法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02160189A (ja) | 1990-06-20 |
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