GB1385243A - Method and apparatus for the quench-hardening of tubes - Google Patents

Method and apparatus for the quench-hardening of tubes

Info

Publication number
GB1385243A
GB1385243A GB422672A GB422672A GB1385243A GB 1385243 A GB1385243 A GB 1385243A GB 422672 A GB422672 A GB 422672A GB 422672 A GB422672 A GB 422672A GB 1385243 A GB1385243 A GB 1385243A
Authority
GB
United Kingdom
Prior art keywords
tube
quenching
internal
quench
air flow
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
GB422672A
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of GB1385243A publication Critical patent/GB1385243A/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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085—Cooling or quenching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

1385243 Quenching tubes MANNESMANN AG 28 Jan 1972 [1 Feb 1971] 4226/72 Heading C7N A steel tube is quench-hardened by heating the tube to its autentitizing temperature and quenching in a horizontal position by applying quenching medium to the external and internal surfaces while the tube is rotated so that a point thereon is moved helically about the tube axis. The quantity of quench medium applied per unit area to the internal surface is at most half as much as that applied externally and an axial air flow towards the quenched end of the tube is produced by the flow of quenching medium itself. As shown quenching is effected by internal and external nozzle rings 5 and 4 to tube 2 which has been heated in furnace 1. Internal ring 5 has attached cylindrical means 12 providing a narrow annular space 16 in which air flow is induced by the flow of quenching medium. This air flow may be assisted by compressed air from nozzle 17. Support means 8, 9, 14, 15 centralize the internal quench head during its passage along the tube.
GB422672A 1971-02-01 1972-01-28 Method and apparatus for the quench-hardening of tubes Expired GB1385243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712105886 DE2105886A1 (en) 1971-02-01 1971-02-01 Method and device for quench hardening pipes

Publications (1)

Publication Number Publication Date
GB1385243A true GB1385243A (en) 1975-02-26

Family

ID=5798155

Family Applications (1)

Application Number Title Priority Date Filing Date
GB422672A Expired GB1385243A (en) 1971-02-01 1972-01-28 Method and apparatus for the quench-hardening of tubes

Country Status (5)

Country Link
CA (1) CA946269A (en)
DE (1) DE2105886A1 (en)
FR (1) FR2124278B1 (en)
GB (1) GB1385243A (en)
IT (1) IT946636B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0151838A1 (en) * 1984-01-10 1985-08-21 Indutech Limited Heat treating hardenable carbon steel pipe
GB2188945A (en) * 1986-02-18 1987-10-14 Mtu Muenchen Gmbh Apparatus for the differential cooling or thermal control of internal and external surfaces of a component
EP0507619A2 (en) * 1991-04-03 1992-10-07 Tubular Industries Scotland Limited Hardening pipes
US11198919B2 (en) * 2015-04-09 2021-12-14 National Oilwell Varco, L.P. Wellbore tubular air quenching

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2630242C3 (en) * 1976-07-06 1981-10-15 Aeg-Elotherm Gmbh, 5630 Remscheid Device for adjustable cooling of an elongated heated metal workpiece
US4417928A (en) * 1982-02-26 1983-11-29 Lone Star Steel Company Inside-outside tube quenching method
DE3412525A1 (en) * 1984-04-04 1985-10-17 Esser-Brieden GmbH & Co KG, 4788 Warstein Process for flame-hardening of the inner pipe of a double-layer pipe
US6090230A (en) * 1996-06-05 2000-07-18 Sumitomo Metal Industries, Ltd. Method of cooling a steel pipe
DE102019205724A1 (en) 2019-04-18 2020-10-22 Sms Group Gmbh Cooling device for seamless steel pipes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3294599A (en) * 1963-07-30 1966-12-27 Smith Corp A O Method and apparatus for heat treating low carbon steel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0151838A1 (en) * 1984-01-10 1985-08-21 Indutech Limited Heat treating hardenable carbon steel pipe
AU575307B2 (en) * 1984-01-10 1988-07-28 Linstead Corporation Differential hardening of carbon steel pipe
GB2188945A (en) * 1986-02-18 1987-10-14 Mtu Muenchen Gmbh Apparatus for the differential cooling or thermal control of internal and external surfaces of a component
GB2188945B (en) * 1986-02-18 1990-06-13 Mtu Muenchen Gmbh Apparatus for the differential cooling or thermal control of internal and external surfaces of a component
EP0507619A2 (en) * 1991-04-03 1992-10-07 Tubular Industries Scotland Limited Hardening pipes
EP0507619A3 (en) * 1991-04-03 1993-10-06 British Steel Plc Hardening pipes
US11198919B2 (en) * 2015-04-09 2021-12-14 National Oilwell Varco, L.P. Wellbore tubular air quenching

Also Published As

Publication number Publication date
FR2124278B1 (en) 1976-06-11
DE2105886A1 (en) 1972-08-24
IT946636B (en) 1973-05-21
CA946269A (en) 1974-04-30
FR2124278A1 (en) 1972-09-22

Similar Documents

Publication Publication Date Title
US3294599A (en) Method and apparatus for heat treating low carbon steel
GB1385243A (en) Method and apparatus for the quench-hardening of tubes
GB1431401A (en) Apapratus for taking gas samples in shaft furnaces
US3525842A (en) Apparatus for the heat-treatment of round bodies
US3507712A (en) Method and apparatus for quenching pipe
GB1487746A (en) Apparatus for the quench hardening of tubes of large diameter in a horizontal position
CA955836A (en) Induction heating method of case hardening carbon steel rod
US2279564A (en) Apparatus for flame hardening tubular structures
GB1387343A (en) Method of forming a tubular workpiece with a bend
US2318145A (en) Method of flame hardening tubular structures
US3140964A (en) Method of quenching pipe
US2589495A (en) Apparatus for hardening rolls
US3101384A (en) Tuyere arrangement
US2807272A (en) Process and apparatus for quenching tubular metal articles
US2514529A (en) Fluid cooling apparatus
GB1351426A (en) Plasma furnaces
US1329455A (en) Method and apparatus for drawing metal
US2412802A (en) Method of carburizing one side only of relatively short tubular parts
GB620389A (en) Improvements in or relating to apparatus for quenching heat treated articles
GB548970A (en) Improvements in or relating to methods and apparatus for heat-treating metallic tubular members
FR2453902A1 (en) Quenching long metal bars or tubes - via ring nozzles which project conical streams of water onto surface of metal prod. and in bore of tube if required
SU785379A1 (en) Device for glass-coating of tubes
GB1466890A (en) Method of deformation-free quenching of workpieces heated to hardening temperature and device for carrying out the method
SU615141A1 (en) Method of heat treatment of welded hollow articles
GB717164A (en) Improvements in or relating to hollow metal bodies

Legal Events

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