ZA841054B - Heat treating hardenable carbon steel pipe - Google Patents

Heat treating hardenable carbon steel pipe

Info

Publication number
ZA841054B
ZA841054B ZA841054A ZA841054A ZA841054B ZA 841054 B ZA841054 B ZA 841054B ZA 841054 A ZA841054 A ZA 841054A ZA 841054 A ZA841054 A ZA 841054A ZA 841054 B ZA841054 B ZA 841054B
Authority
ZA
South Africa
Prior art keywords
pipe
carbon steel
steel pipe
heat treating
quenching
Prior art date
Application number
ZA841054A
Inventor
Graham Ball Daniel
Original Assignee
Graham Ball Daniel
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 to AU23195/84A priority Critical patent/AU575307B2/en
Priority to DE8484300740T priority patent/DE3479673D1/en
Priority to AT84300740T priority patent/ATE46192T1/en
Priority to EP84300740A priority patent/EP0151838B1/en
Application filed by Graham Ball Daniel filed Critical Graham Ball Daniel
Priority to ZA841054A priority patent/ZA841054B/en
Publication of ZA841054B publication Critical patent/ZA841054B/en
Priority to GB848427385A priority patent/GB8427385D0/en

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
    • 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)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

An annular zone of a carbon steel pipe (10) is heated to an austenizing temperature by an induction heater (14) as the pipe (10) is moved through the heater (14) followed by quenching of the heated zone with a spray (22) of an even conical sheet of quenching fluid traveling at a preselected angle to the surface of the pipe (10) such that after striking the pipe surface the fluid remains in contact therewith resulting in rapid controlled quenching of a well defined area of the pipe (10).
ZA841054A 1984-01-10 1984-02-14 Heat treating hardenable carbon steel pipe ZA841054B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU23195/84A AU575307B2 (en) 1984-01-10 1984-01-10 Differential hardening of carbon steel pipe
DE8484300740T DE3479673D1 (en) 1984-01-10 1984-02-07 Heat treating hardenable carbon steel pipe
AT84300740T ATE46192T1 (en) 1984-01-10 1984-02-07 PROCESS FOR HEAT TREATMENT OF HARDENABLE CARBON STEEL TUBES.
EP84300740A EP0151838B1 (en) 1984-01-10 1984-02-07 Heat treating hardenable carbon steel pipe
ZA841054A ZA841054B (en) 1984-01-10 1984-02-14 Heat treating hardenable carbon steel pipe
GB848427385A GB8427385D0 (en) 1984-01-10 1984-10-30 Heat treating carbon workpieces

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU23195/84A AU575307B2 (en) 1984-01-10 1984-01-10 Differential hardening of carbon steel pipe
EP84300740A EP0151838B1 (en) 1984-01-10 1984-02-07 Heat treating hardenable carbon steel pipe
ZA841054A ZA841054B (en) 1984-01-10 1984-02-14 Heat treating hardenable carbon steel pipe

Publications (1)

Publication Number Publication Date
ZA841054B true ZA841054B (en) 1984-08-10

Family

ID=27152782

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA841054A ZA841054B (en) 1984-01-10 1984-02-14 Heat treating hardenable carbon steel pipe

Country Status (6)

Country Link
EP (1) EP0151838B1 (en)
AT (1) ATE46192T1 (en)
AU (1) AU575307B2 (en)
DE (1) DE3479673D1 (en)
GB (1) GB8427385D0 (en)
ZA (1) ZA841054B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9120424D0 (en) * 1991-09-25 1991-11-06 Sps Ltd Heat treatment of hardenable carbon steel pipes
US20160281188A1 (en) * 2015-03-27 2016-09-29 Tenaris Coiled Tubes, Llc Heat treated coiled tubing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE752084C (en) * 1938-04-08 1952-11-04 Ohio Crankshaft Company Device for continuous surface hardening of the inner surface of hollow metal workpieces by heating and quenching
DE945930C (en) * 1949-01-01 1956-07-19 Gewerkschaft Reuss Process for the production of wear-resistant pipes for the hydraulic and pneumatic conveying of bulk goods
DE2105886A1 (en) * 1971-02-01 1972-08-24 Mannesmann Ag Method and device for quench hardening pipes
DE2137627C3 (en) * 1971-07-28 1974-02-14 Ludwig-Ofag-Indugas Industrieofenanlagen Gmbh, 4300 Essen Device for internal quenching of pipes
JPS518159A (en) * 1974-07-11 1976-01-22 Nippon Steel Corp Kyokukanno seizoho
DE2620377A1 (en) * 1976-05-08 1977-11-17 Aeg Elotherm Gmbh METHOD FOR HEAT TREATMENT OF THICK-WALLED STEEL PIPES
US4123301A (en) * 1977-01-07 1978-10-31 Republic Steel Corporation Method for quench hardening steel casings
US4110092A (en) * 1977-01-26 1978-08-29 Nippon Kokan Kabushiki Kaisha Method of apparatus for cooling inner surface of metal pipe

Also Published As

Publication number Publication date
AU2319584A (en) 1985-07-18
ATE46192T1 (en) 1989-09-15
EP0151838A1 (en) 1985-08-21
GB8427385D0 (en) 1984-12-05
DE3479673D1 (en) 1989-10-12
AU575307B2 (en) 1988-07-28
EP0151838B1 (en) 1989-09-06

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