JPH0450129B2 - - Google Patents
Info
- Publication number
- JPH0450129B2 JPH0450129B2 JP810286A JP810286A JPH0450129B2 JP H0450129 B2 JPH0450129 B2 JP H0450129B2 JP 810286 A JP810286 A JP 810286A JP 810286 A JP810286 A JP 810286A JP H0450129 B2 JPH0450129 B2 JP H0450129B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- tube
- diameter
- inner layer
- outer layer
- 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
- 238000010438 heat treatment Methods 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 42
- 238000001816 cooling Methods 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 239000010410 layer Substances 0.000 description 146
- 238000005260 corrosion Methods 0.000 description 16
- 230000007797 corrosion Effects 0.000 description 16
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 230000009467 reduction Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP810286A JPS62167990A (ja) | 1986-01-20 | 1986-01-20 | 複層管の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP810286A JPS62167990A (ja) | 1986-01-20 | 1986-01-20 | 複層管の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62167990A JPS62167990A (ja) | 1987-07-24 |
| JPH0450129B2 true JPH0450129B2 (OSRAM) | 1992-08-13 |
Family
ID=11683935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP810286A Granted JPS62167990A (ja) | 1986-01-20 | 1986-01-20 | 複層管の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62167990A (OSRAM) |
-
1986
- 1986-01-20 JP JP810286A patent/JPS62167990A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62167990A (ja) | 1987-07-24 |
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