DE3021223C2 - Verfahren zur Herstellung von Rohrkrümmern oder T-Stücken aus nicht-rostendem Stahlguß - Google Patents

Verfahren zur Herstellung von Rohrkrümmern oder T-Stücken aus nicht-rostendem Stahlguß

Info

Publication number
DE3021223C2
DE3021223C2 DE3021223A DE3021223A DE3021223C2 DE 3021223 C2 DE3021223 C2 DE 3021223C2 DE 3021223 A DE3021223 A DE 3021223A DE 3021223 A DE3021223 A DE 3021223A DE 3021223 C2 DE3021223 C2 DE 3021223C2
Authority
DE
Germany
Prior art keywords
pipe
straight pipe
sections
cast
elbow
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
DE3021223A
Other languages
German (de)
English (en)
Other versions
DE3021223A1 (de
Inventor
Shinichi Murakami
Hisakatsu Nishihara
Sueyoshi Hirakata Osaka Noji
Arata Yoshimitsu
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.)
Kubota Corp
Original Assignee
Kubota Corp
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
Application filed by Kubota Corp filed Critical Kubota Corp
Publication of DE3021223A1 publication Critical patent/DE3021223A1/de
Application granted granted Critical
Publication of DE3021223C2 publication Critical patent/DE3021223C2/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B21C37/29—Making branched pieces, e.g. T-pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
DE3021223A 1979-06-05 1980-06-04 Verfahren zur Herstellung von Rohrkrümmern oder T-Stücken aus nicht-rostendem Stahlguß Expired DE3021223C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54070843A JPS5844127B2 (ja) 1979-06-05 1979-06-05 端部の直管部組織を微細化したステンレス鋳鋼製エルボ類の製造法

Publications (2)

Publication Number Publication Date
DE3021223A1 DE3021223A1 (de) 1980-12-18
DE3021223C2 true DE3021223C2 (de) 1984-08-09

Family

ID=13443243

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3021223A Expired DE3021223C2 (de) 1979-06-05 1980-06-04 Verfahren zur Herstellung von Rohrkrümmern oder T-Stücken aus nicht-rostendem Stahlguß

Country Status (5)

Country Link
US (1) US4314861A (enExample)
JP (1) JPS5844127B2 (enExample)
DE (1) DE3021223C2 (enExample)
FR (1) FR2458328A1 (enExample)
GB (1) GB2054415B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT383065B (de) * 1981-10-08 1987-05-11 Ver Edelstahlwerke Ag Verfahren zur herstellung von nahtlosen rohren
US4437900A (en) 1981-12-28 1984-03-20 Exxon Research And Engineering Co. Thermal mechanical treatment for enhancing high temperature properties of cast austenitic steel structures
JPS59150067A (ja) * 1983-02-15 1984-08-28 Jgc Corp 耐食性に優れた極低温用ステンレス鋳鋼
JPS61207513A (ja) * 1985-03-11 1986-09-13 Mitsubishi Heavy Ind Ltd 超音波探傷性に優れた鋳鋼品の製造法
JPS62278230A (ja) * 1986-05-26 1987-12-03 Nippon Steel Corp オーステナイト系ステンレス電縫鋼管の製造方法
US20050252160A1 (en) * 2004-05-12 2005-11-17 Jerry Miller Method of forming joints of non-cylindrical tubing
US8074420B2 (en) * 2004-05-12 2011-12-13 Quick Fab Products Ltd. Method of forming joints of non-cylindrical tubing
US9476531B2 (en) * 2007-07-27 2016-10-25 Dieterich Standard, Inc. Elliptical flow conditioning pipe elbow
TWM435288U (en) * 2012-04-18 2012-08-11 Wei-Jing Xu Integrally made golf club
CN110835669B (zh) * 2018-08-16 2021-11-05 中国石化工程建设有限公司 一种标准型双相钢弯头成型热处理方法
TWI673129B (zh) * 2018-10-11 2019-10-01 宏瑞制程工業股份有限公司 能沿圓周向自動焊接組合不銹鋼彎管接頭的設備及工法
CN115673254A (zh) * 2022-12-14 2023-02-03 江苏志得管业有限公司 一种管件中螺纹管件结构的热锻成型加工工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5431445B2 (enExample) * 1974-02-04 1979-10-06
US4018634A (en) * 1975-12-22 1977-04-19 Grotnes Machine Works, Inc. Method of producing high strength steel pipe

Also Published As

Publication number Publication date
JPS55161026A (en) 1980-12-15
GB2054415A (en) 1981-02-18
DE3021223A1 (de) 1980-12-18
US4314861A (en) 1982-02-09
FR2458328B1 (enExample) 1984-01-13
JPS5844127B2 (ja) 1983-10-01
FR2458328A1 (fr) 1981-01-02
GB2054415B (en) 1982-12-01

Similar Documents

Publication Publication Date Title
DE69013630T2 (de) Verfahren zum Verbinden von korrosionsbeständigen Werkstoffen durch Diffusion.
DE3021223C2 (de) Verfahren zur Herstellung von Rohrkrümmern oder T-Stücken aus nicht-rostendem Stahlguß
DE2657269B2 (de) Verfahren zur Herstellung von Stahlrohren
DE19536978A1 (de) Verfahren zur Herstellung schweißplattierter Stahlrohre
DE3116055A1 (de) Walze fuer hochtemperaturanwendungen
DE69929017T2 (de) Rostfreier Stahl für eine Dichtung und Herstellungsverfahren dafür
DE2648877C3 (de) Verfahren zum Herstellen von Rohren
DE69805278T2 (de) Verfahren zum verbessern der magnetischen eigenschaften ferritischer, rostfreier automatenstähle
DE1558668C3 (de) Verwendung von kriechfesten, nichtrostenden austenitischen Stählen zur Herstellung von Blechen
DE69018824T2 (de) Rohrverbindung aus rostfreiem stahl und verfahren zur herstellung.
DE4003384C2 (de) Verbundmetallrohr für die Kraftstoffeinspritzung von Dieselmotoren und Verfahren zu seiner Herstellung
DE3212185A1 (de) Dampfturbinenrotorwelle
DE4200489C2 (de) Zweiteiliger Ölring und Verfahren zu dessen Herstellung
DE60133463T2 (de) Verfahren zum herstellen eines hochfesten stahlrohres
EP0233437B1 (de) Aus zwei Schichten bestehendes korrosionsbeständiges Rohr oder dergleichen Behälter
DE69706131T2 (de) Draht aus rostfreies Stahl und Verfahren zur Herstellung
DE2138195C3 (de) Verfahren zum Herstellen von hxxochzugfesten stabförmigen Erzeugnissen
EP2602032B1 (de) Verfahren zur Herstellung eines mehrschichtigen Metallrohres
DE69205743T2 (de) Verfahren zur Herstellung eines Wasserkastens oder eines anderen Bauteils eines Kernreaktors.
DE2830106A1 (de) Stumpfgeschweisste baueinheit aus rohren aus austenitischem stahl und verfahren zu deren herstellung
DE60110117T2 (de) Hartlötvorformlinge und ihre verwendung bei der herstellung von wärmetauschern
DE60202034T2 (de) Verfahren zur Herstellung von Stahlrohren
DE102009017571B4 (de) Verfahren und Einrichtung zur Herstellung von Rohrbögen oder Rohrbogensegmenten durch Umformen, sowie entsprechend hergestellte Rohrbögen oder Rohrbogensegmente
DE102009025197A1 (de) Verfahren zur Herstellung von Verbundmetall-Halbzeugen
DE3109797C2 (enExample)

Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee