JPS628891Y2 - - Google Patents
Info
- Publication number
- JPS628891Y2 JPS628891Y2 JP8791283U JP8791283U JPS628891Y2 JP S628891 Y2 JPS628891 Y2 JP S628891Y2 JP 8791283 U JP8791283 U JP 8791283U JP 8791283 U JP8791283 U JP 8791283U JP S628891 Y2 JPS628891 Y2 JP S628891Y2
- Authority
- JP
- Japan
- Prior art keywords
- thickness
- pipe
- uneven
- bending
- neck
- 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
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 description 29
- 238000005520 cutting process Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8791283U JPS5920926U (ja) | 1983-06-10 | 1983-06-10 | 大径厚肉曲管製造用の偏肉素管 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8791283U JPS5920926U (ja) | 1983-06-10 | 1983-06-10 | 大径厚肉曲管製造用の偏肉素管 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5920926U JPS5920926U (ja) | 1984-02-08 |
JPS628891Y2 true JPS628891Y2 (en]) | 1987-03-02 |
Family
ID=30217826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8791283U Granted JPS5920926U (ja) | 1983-06-10 | 1983-06-10 | 大径厚肉曲管製造用の偏肉素管 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5920926U (en]) |
-
1983
- 1983-06-10 JP JP8791283U patent/JPS5920926U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5920926U (ja) | 1984-02-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS63149038A (ja) | 外アツプセツト・プレスによる鋼管端部の加工方法 | |
JPH10505283A (ja) | 内部が強化された溶接管の製造 | |
JPS628891Y2 (en]) | ||
JPS5844127B2 (ja) | 端部の直管部組織を微細化したステンレス鋳鋼製エルボ類の製造法 | |
JPS6150688B2 (en]) | ||
US4717065A (en) | Method for manufacturing welded pipes | |
EP0126795A1 (en) | Method for manufacturing welded pipes | |
JP2002192223A (ja) | 金属溶接管の製造方法 | |
JPH0994623A (ja) | スパイラルフィン付き金属管の製造方法 | |
EP0243533B1 (en) | Method for maufacturing welded pipes | |
US4916853A (en) | Method for manufacturing welded pipes | |
JPS5927654B2 (ja) | 電縫管製造におけるロ−ル成形方法 | |
JPH0240249Y2 (en]) | ||
JPS611416A (ja) | 熱交換器用多重管の製造法 | |
JPS6161915B2 (en]) | ||
JPS633689B2 (en]) | ||
JPS613604A (ja) | 異厚断面鋼管の製造方法 | |
JPH05104135A (ja) | 鍛接管の製造方法 | |
JPS62227526A (ja) | 電縫管の形状矯正方法 | |
SU946699A1 (ru) | Металлическа профильна заготовка | |
SU536034A1 (ru) | Заготовка дл изготовлени биметаллических труб | |
SU1196062A1 (ru) | Способ изготовлени тройников | |
JPS62124031A (ja) | 溶接管の製造方法 | |
JPH02127919A (ja) | 偏平管及びその製造方法 | |
JPH02104491A (ja) | ステンレス鋼溶接管の残留応力軽減方法 |