IT8421334A0 - Metodo per la fabbricazione di tubi di acciaio piegati, presentanti una resistenza meccanica ed una tenacita' a bassa temperatura eccellenti. - Google Patents
Metodo per la fabbricazione di tubi di acciaio piegati, presentanti una resistenza meccanica ed una tenacita' a bassa temperatura eccellenti.Info
- Publication number
- IT8421334A0 IT8421334A0 IT8421334A IT2133484A IT8421334A0 IT 8421334 A0 IT8421334 A0 IT 8421334A0 IT 8421334 A IT8421334 A IT 8421334A IT 2133484 A IT2133484 A IT 2133484A IT 8421334 A0 IT8421334 A0 IT 8421334A0
- Authority
- IT
- Italy
- Prior art keywords
- toughness
- manufacture
- low temperature
- excellent mechanical
- mechanical resistance
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
-
- 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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
- B21D7/025—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member and pulling or pushing the ends of the work
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10429083A JPS59232226A (ja) | 1983-06-13 | 1983-06-13 | 耐食性および靭性に優れたクラツド曲り管の製造方法 |
JP10428983A JPS59232225A (ja) | 1983-06-13 | 1983-06-13 | 高張力高靭性曲り管の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8421334A0 true IT8421334A0 (it) | 1984-06-08 |
IT1174159B IT1174159B (it) | 1987-07-01 |
Family
ID=26444794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21334/84A IT1174159B (it) | 1983-06-13 | 1984-06-08 | Metodo per la fabbricazione di tubi di acciaio piegatti, presentanti una resistenza meccanica ed una tenacita' a bassa temperatura eccelenti |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA1249121A (it) |
FR (1) | FR2547750B1 (it) |
GB (1) | GB2144148B (it) |
IT (1) | IT1174159B (it) |
SE (1) | SE462102B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT390743B (de) * | 1988-09-16 | 1990-06-25 | Voest Alpine Stahl Donawitz | Verfahren zur herstellung von windungslegerrohren |
DE59704264D1 (de) * | 1997-01-15 | 2001-09-13 | Mannesmann Ag | Verfahren zur herstellung nahtloser leitungsrohre mit stabiler streckgrenze bei erhöhten einsatztemperaturen |
CZ289424B6 (cs) * | 1999-06-08 | 2002-01-16 | Jinpo Plus A. S. | Způsob výroby trubních oblouků z přímých, spirálově svařovaných trub |
EP2390018B1 (en) * | 2009-01-21 | 2016-11-16 | Nippon Steel & Sumitomo Metal Corporation | Curved metallic material and process for producing same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3943011A (en) * | 1972-03-16 | 1976-03-09 | Texas Instruments Incorporated | Deformable composite material |
JPS518159A (en) * | 1974-07-11 | 1976-01-22 | Nippon Steel Corp | Kyokukanno seizoho |
US4178417A (en) * | 1977-03-23 | 1979-12-11 | The Japan Steel Works, Ltd. | Clad steel |
GB1601651A (en) * | 1978-03-08 | 1981-11-04 | Kobe Steel Ltd | Niobiumcontaining weldable structural steel |
JPS54132421A (en) * | 1978-04-05 | 1979-10-15 | Nippon Steel Corp | Manufacture of high toughness bainite high tensile steel plate with superior weldability |
JPS58151425A (ja) * | 1982-02-27 | 1983-09-08 | Nippon Kokan Kk <Nkk> | 低温靭性の優れた高耐食性クラツド鋼管の製造方法 |
-
1984
- 1984-05-17 CA CA000454582A patent/CA1249121A/en not_active Expired
- 1984-05-29 SE SE8402898A patent/SE462102B/sv not_active IP Right Cessation
- 1984-05-30 GB GB08413740A patent/GB2144148B/en not_active Expired
- 1984-06-08 IT IT21334/84A patent/IT1174159B/it active
- 1984-06-13 FR FR848409238A patent/FR2547750B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2547750A1 (fr) | 1984-12-28 |
GB2144148A (en) | 1985-02-27 |
CA1249121A (en) | 1989-01-24 |
GB8413740D0 (en) | 1984-07-04 |
GB2144148B (en) | 1986-09-03 |
SE8402898L (sv) | 1984-12-14 |
FR2547750B1 (fr) | 1992-08-14 |
IT1174159B (it) | 1987-07-01 |
SE462102B (sv) | 1990-05-07 |
SE8402898D0 (sv) | 1984-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940629 |