JPH0566201B2 - - Google Patents
Info
- Publication number
- JPH0566201B2 JPH0566201B2 JP29897686A JP29897686A JPH0566201B2 JP H0566201 B2 JPH0566201 B2 JP H0566201B2 JP 29897686 A JP29897686 A JP 29897686A JP 29897686 A JP29897686 A JP 29897686A JP H0566201 B2 JPH0566201 B2 JP H0566201B2
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- mandrel mill
- temperature
- mandrel
- austenitic stainless
- 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 - Fee Related
Links
- 238000005096 rolling process Methods 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 16
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000009864 tensile test Methods 0.000 claims description 7
- 230000007547 defect Effects 0.000 description 12
- 239000000523 sample Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000001192 hot extrusion Methods 0.000 description 5
- 239000002436 steel type Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
- B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29897686A JPS63154205A (ja) | 1986-12-17 | 1986-12-17 | オ−ステナイト系ステンレス継目無鋼管のマンドレルミル圧延方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29897686A JPS63154205A (ja) | 1986-12-17 | 1986-12-17 | オ−ステナイト系ステンレス継目無鋼管のマンドレルミル圧延方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63154205A JPS63154205A (ja) | 1988-06-27 |
| JPH0566201B2 true JPH0566201B2 (de) | 1993-09-21 |
Family
ID=17866623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29897686A Granted JPS63154205A (ja) | 1986-12-17 | 1986-12-17 | オ−ステナイト系ステンレス継目無鋼管のマンドレルミル圧延方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63154205A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1235263B (it) * | 1989-06-02 | 1992-06-26 | Sgs Thomson Microelectronics | Metodo e dispositivo per il calcolo aritmetico di trasformate bidimensionali. |
-
1986
- 1986-12-17 JP JP29897686A patent/JPS63154205A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63154205A (ja) | 1988-06-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |