GB2144148B - Method for manufacturing bent steel pipe - Google Patents

Method for manufacturing bent steel pipe

Info

Publication number
GB2144148B
GB2144148B GB08413740A GB8413740A GB2144148B GB 2144148 B GB2144148 B GB 2144148B GB 08413740 A GB08413740 A GB 08413740A GB 8413740 A GB8413740 A GB 8413740A GB 2144148 B GB2144148 B GB 2144148B
Authority
GB
United Kingdom
Prior art keywords
steel pipe
bent steel
manufacturing bent
manufacturing
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
Application number
GB08413740A
Other languages
English (en)
Other versions
GB2144148A (en
GB8413740D0 (en
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 JP10428983A external-priority patent/JPS59232225A/ja
Priority claimed from JP10429083A external-priority patent/JPS59232226A/ja
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of GB8413740D0 publication Critical patent/GB8413740D0/en
Publication of GB2144148A publication Critical patent/GB2144148A/en
Application granted granted Critical
Publication of GB2144148B publication Critical patent/GB2144148B/en
Expired 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)
GB08413740A 1983-06-13 1984-05-30 Method for manufacturing bent steel pipe Expired GB2144148B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10428983A JPS59232225A (ja) 1983-06-13 1983-06-13 高張力高靭性曲り管の製造方法
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

Publications (3)

Publication Number Publication Date
GB8413740D0 GB8413740D0 (en) 1984-07-04
GB2144148A GB2144148A (en) 1985-02-27
GB2144148B true GB2144148B (en) 1986-09-03

Family

ID=26444794

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08413740A Expired GB2144148B (en) 1983-06-13 1984-05-30 Method for manufacturing bent steel pipe

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
WO1998031843A1 (fr) * 1997-01-15 1998-07-23 Mannesmann Ag Procede de fabrication de tuyaux de conduite sans joint, a limite d'elasticite stable a des temperatures d'utilisation elevees
CZ289424B6 (cs) * 1999-06-08 2002-01-16 Jinpo Plus A. S. Způsob výroby trubních oblouků z přímých, spirálově svařovaných trub
CN102361706B (zh) * 2009-01-21 2014-07-30 新日铁住金株式会社 弯曲加工金属材料及其制造方法

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
IT8421334A0 (it) 1984-06-08
CA1249121A (fr) 1989-01-24
FR2547750A1 (fr) 1984-12-28
FR2547750B1 (fr) 1992-08-14
GB2144148A (en) 1985-02-27
SE8402898L (sv) 1984-12-14
IT1174159B (it) 1987-07-01
SE8402898D0 (sv) 1984-05-29
SE462102B (sv) 1990-05-07
GB8413740D0 (en) 1984-07-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950530