DE59505041D1 - Verfahren zur herstellung eines nahtlosen warmgefertigten rohres - Google Patents
Verfahren zur herstellung eines nahtlosen warmgefertigten rohresInfo
- Publication number
- DE59505041D1 DE59505041D1 DE59505041T DE59505041T DE59505041D1 DE 59505041 D1 DE59505041 D1 DE 59505041D1 DE 59505041 T DE59505041 T DE 59505041T DE 59505041 T DE59505041 T DE 59505041T DE 59505041 D1 DE59505041 D1 DE 59505041D1
- Authority
- DE
- Germany
- Prior art keywords
- seamless
- producing
- heat
- made pipe
- pipe
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/10—Piercing billets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
- B21H1/12—Making articles shaped as bodies of revolution rings of restricted axial length rings for ball or roller bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4422011 | 1994-06-16 | ||
DE19520833A DE19520833C2 (de) | 1994-06-16 | 1995-05-31 | Verfahren zur Herstellung eines nahtlosen warmgefertigten Rohres |
PCT/DE1995/000800 WO1995034387A1 (de) | 1994-06-16 | 1995-06-13 | Verfahren zur herstellung eines nahtlosen warmgefertigten rohres |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59505041D1 true DE59505041D1 (de) | 1999-03-18 |
Family
ID=6521341
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19520833A Expired - Fee Related DE19520833C2 (de) | 1994-06-16 | 1995-05-31 | Verfahren zur Herstellung eines nahtlosen warmgefertigten Rohres |
DE59505041T Expired - Fee Related DE59505041D1 (de) | 1994-06-16 | 1995-06-13 | Verfahren zur herstellung eines nahtlosen warmgefertigten rohres |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19520833A Expired - Fee Related DE19520833C2 (de) | 1994-06-16 | 1995-05-31 | Verfahren zur Herstellung eines nahtlosen warmgefertigten Rohres |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR970703822A (de) |
DE (2) | DE19520833C2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19734563C1 (de) * | 1997-08-04 | 1998-12-03 | Mannesmann Ag | Verfahren zur Herstellung von Wälzlagerringen aus Stahl |
IT1298331B1 (it) | 1998-03-04 | 1999-12-20 | Mannesmann Ag | Procedimento per la realizzazione di tubi senza saldatura |
DE19847271C1 (de) * | 1998-10-07 | 2000-05-04 | Mannesmann Ag | Verfahren zur Erzeugung von Stahl mit einem Kohlenstoffgehalt gleich/kleiner 0,9 Gewichtsprozent und einem Si-Gehalt von 0,15 - 1,0 Gewichtsprozent |
NL1011805C2 (nl) * | 1999-04-15 | 2000-10-17 | Skf Eng & Res Centre Bv | Werkwijze voor het vervaardigen van een kogellagerstaal. |
DE10003720A1 (de) * | 2000-01-24 | 2001-08-02 | Mannesmann Ag | Verfahren zum Herstellen von Wälzlagerelementen aus durchhärtendem Wälzlagerstahl |
AT413195B (de) | 2000-10-24 | 2005-12-15 | Boehler Edelstahl | Verfahren zur herstellung zylindrischer hohlkörper und verwendung derselben |
DE10236757B4 (de) * | 2002-08-10 | 2004-08-12 | Sms Meer Gmbh | Verfahren zur Herstellung eines Hohlblocks aus metallischem Material |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2058777A5 (de) * | 1969-09-25 | 1971-05-28 | Cefilac | |
DE3438395C1 (de) * | 1984-10-19 | 1986-04-10 | Ulrich Dr.-Ing. e.h. Dipl.-Ing. 4000 Düsseldorf Petersen | Verfahren zum Herstellen nahtloser Stahlrohre grossen Durchmessers |
-
1995
- 1995-05-31 DE DE19520833A patent/DE19520833C2/de not_active Expired - Fee Related
- 1995-06-13 DE DE59505041T patent/DE59505041D1/de not_active Expired - Fee Related
-
1996
- 1996-12-16 KR KR1019960707210A patent/KR970703822A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE19520833C2 (de) | 1998-06-04 |
DE19520833A1 (de) | 1995-12-21 |
KR970703822A (ko) | 1997-08-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |