FR2547750B1 - Procede de fabrication de tubes coudes d'acier - Google Patents

Procede de fabrication de tubes coudes d'acier

Info

Publication number
FR2547750B1
FR2547750B1 FR848409238A FR8409238A FR2547750B1 FR 2547750 B1 FR2547750 B1 FR 2547750B1 FR 848409238 A FR848409238 A FR 848409238A FR 8409238 A FR8409238 A FR 8409238A FR 2547750 B1 FR2547750 B1 FR 2547750B1
Authority
FR
France
Prior art keywords
elbowed
producing
steel tubes
tubes
steel
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 - Lifetime
Application number
FR848409238A
Other languages
English (en)
Other versions
FR2547750A1 (fr
Inventor
Tadaaki Taira
Junichiro Takehara
Kazuyoshi Ume
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP10429083A external-priority patent/JPS59232226A/ja
Priority claimed from JP10428983A external-priority patent/JPS59232225A/ja
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of FR2547750A1 publication Critical patent/FR2547750A1/fr
Application granted granted Critical
Publication of FR2547750B1 publication Critical patent/FR2547750B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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)
FR848409238A 1983-06-13 1984-06-13 Procede de fabrication de tubes coudes d'acier Expired - Lifetime FR2547750B1 (fr)

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
FR2547750A1 FR2547750A1 (fr) 1984-12-28
FR2547750B1 true FR2547750B1 (fr) 1992-08-14

Family

ID=26444794

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848409238A Expired - Lifetime FR2547750B1 (fr) 1983-06-13 1984-06-13 Procede de fabrication de tubes coudes d'acier

Country Status (5)

Country Link
CA (1) CA1249121A (fr)
FR (1) FR2547750B1 (fr)
GB (1) GB2144148B (fr)
IT (1) IT1174159B (fr)
SE (1) SE462102B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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 (fr) * 2009-01-21 2016-11-16 Nippon Steel & Sumitomo Metal Corporation Matériau métallique incurvé et procédé de fabrication associé

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2547750A1 (fr) 1984-12-28
GB2144148A (en) 1985-02-27
CA1249121A (fr) 1989-01-24
GB8413740D0 (en) 1984-07-04
GB2144148B (en) 1986-09-03
IT8421334A0 (it) 1984-06-08
SE8402898L (sv) 1984-12-14
IT1174159B (it) 1987-07-01
SE462102B (sv) 1990-05-07
SE8402898D0 (sv) 1984-05-29

Similar Documents

Publication Publication Date Title
FR2544638B1 (fr) Procede de production d&#39;un tube en acier plaque
FR2502042B1 (fr) Procede de fabrication de structures metalliques armees de filaments
FR2507931B1 (fr) Procede de fabrication d&#39;une poulie a gorges multiples en forme de v
FR2507508B1 (fr) Procede de fabrication de tubes bimetalliques
FR2518457B1 (fr) Methode de production d&#39;une plaque offset metallique
FR2483960B1 (fr) Procede d&#39;elaboration d&#39;acier inoxydable
FR2543461B1 (fr) Procede pour fabriquer des tubes d&#39;acier sans soudure
FR2510092B1 (fr) Procede de production d&#39;un fluorure de graphite
BE895962A (fr) Procede de fabrication d&#39;alliages de silicum-aluminium
FR2558851B1 (fr) Procede pour la fabrication d&#39;une electrode
FR2549491B1 (fr) Procede de fabrication de plaques d&#39;acier austenitique inoxydable
FR2514758B1 (fr) Procede de production d&#39;uree
FR2557140B1 (fr) Procede de fabrication d&#39;acier non magnetique ecroue
FR2567522B1 (fr) Procede de fabrication de dianydride de silylnorbornane
FR2547750B1 (fr) Procede de fabrication de tubes coudes d&#39;acier
FR2543167B1 (fr) Procede pour la fabrication de toles d&#39;acier revetues
BE881296A (fr) Fabrication d&#39;acier par le procede thomas
FR2560399B1 (fr) Procede de fabrication d&#39;un pochoir
FR2496505B1 (fr) Procede de fabrication de tubes d&#39;acier sans soudure
BE886899A (fr) Procede de fabrication d&#39;une solution stable de sulfate de titanyle
FR2476688B1 (fr) Procede pour la fabrication du feuillard d&#39;acier electrogalvanise
FR2524004B1 (fr) Procede de recuit de feuillard d&#39;acier
FR2543028B1 (fr) Procede de formage d&#39;une ebauche de rail metallique
FR2526631B1 (fr) Procede de fabrication de globules encapsulables
LU79839A1 (fr) Procede de fabrication d&#39;acier pour armatures

Legal Events

Date Code Title Description
ST Notification of lapse