ATA40580A - METHOD FOR PRODUCING TENSION RACK CORROSION-RESISTANT, NON-MAGNETIZABLE HEAVY RODS FROM AUSTENITIC STEELS AND DEVICE FOR CARRYING OUT THE METHOD - Google Patents

METHOD FOR PRODUCING TENSION RACK CORROSION-RESISTANT, NON-MAGNETIZABLE HEAVY RODS FROM AUSTENITIC STEELS AND DEVICE FOR CARRYING OUT THE METHOD

Info

Publication number
ATA40580A
ATA40580A AT40580A AT40580A ATA40580A AT A40580 A ATA40580 A AT A40580A AT 40580 A AT40580 A AT 40580A AT 40580 A AT40580 A AT 40580A AT A40580 A ATA40580 A AT A40580A
Authority
AT
Austria
Prior art keywords
magnetizable
resistant
carrying
austenitic steels
producing tension
Prior art date
Application number
AT40580A
Other languages
German (de)
Other versions
AT364592B (en
Original Assignee
Ver Edelstahlwerke 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3489749&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATA40580(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ver Edelstahlwerke Ag filed Critical Ver Edelstahlwerke Ag
Priority to AT40580A priority Critical patent/AT364592B/en
Priority to EP80890152A priority patent/EP0035091B1/en
Priority to DE8080890152T priority patent/DE3070489D1/en
Publication of ATA40580A publication Critical patent/ATA40580A/en
Application granted granted Critical
Publication of AT364592B publication Critical patent/AT364592B/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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • 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
    • C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
AT40580A 1980-01-25 1980-01-25 METHOD FOR PRODUCING TENSION RACK CORROSION-RESISTANT, NON-MAGNETIZABLE HEAVY RODS FROM AUSTENITIC STEELS AND DEVICE FOR IMPLEMENTING THE METHOD AT364592B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT40580A AT364592B (en) 1980-01-25 1980-01-25 METHOD FOR PRODUCING TENSION RACK CORROSION-RESISTANT, NON-MAGNETIZABLE HEAVY RODS FROM AUSTENITIC STEELS AND DEVICE FOR IMPLEMENTING THE METHOD
EP80890152A EP0035091B1 (en) 1980-01-25 1980-12-19 Process for producing tension-crack corrosion-resistant non magnetizable drill collars of austenitic steels, and apparatus for carrying out this process
DE8080890152T DE3070489D1 (en) 1980-01-25 1980-12-19 Process for producing tension-crack corrosion-resistant non magnetizable drill collars of austenitic steels, and apparatus for carrying out this process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT40580A AT364592B (en) 1980-01-25 1980-01-25 METHOD FOR PRODUCING TENSION RACK CORROSION-RESISTANT, NON-MAGNETIZABLE HEAVY RODS FROM AUSTENITIC STEELS AND DEVICE FOR IMPLEMENTING THE METHOD

Publications (2)

Publication Number Publication Date
ATA40580A true ATA40580A (en) 1981-03-15
AT364592B AT364592B (en) 1981-10-27

Family

ID=3489749

Family Applications (1)

Application Number Title Priority Date Filing Date
AT40580A AT364592B (en) 1980-01-25 1980-01-25 METHOD FOR PRODUCING TENSION RACK CORROSION-RESISTANT, NON-MAGNETIZABLE HEAVY RODS FROM AUSTENITIC STEELS AND DEVICE FOR IMPLEMENTING THE METHOD

Country Status (3)

Country Link
EP (1) EP0035091B1 (en)
AT (1) AT364592B (en)
DE (1) DE3070489D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58167724A (en) * 1982-03-26 1983-10-04 Kobe Steel Ltd Method of preparing blank useful as stabilizer for drilling oil well
AT392802B (en) * 1988-08-04 1991-06-25 Schoeller Bleckmann Stahlwerke METHOD FOR THE PRODUCTION OF TUBE-SHAPED CORROSION-RESISTANT BODY-BODIES, IN PARTICULAR NON-MAGNETIZABLE HEAVY RODS FROM AUSTENITIC STEELS
GB0023296D0 (en) * 2000-09-22 2000-11-08 Rolls Royce Plc Prestressing of components
WO2008037948A1 (en) 2006-09-27 2008-04-03 Rolls-Royce Plc A method and an apparatus for prestressing components by electrical discharge
DE102015203487A1 (en) * 2015-02-26 2016-09-01 Ecoroll Ag Werkzeugtechnik Clamping device for influencing workpieces and associated method
DE102017213045B4 (en) * 2017-07-28 2023-02-23 Gühring KG ROLLING TOOL
CN112795753B (en) * 2020-12-25 2022-06-03 兰州理工大学 Surface strengthening device and strengthening method for large-diameter metal pipe

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1054979A (en) * 1900-01-01
DE324509C (en) * 1913-06-18 1920-08-30 Diamond Blower Company Ltd Tapping tool for removing the scale from pipes
FR800143A (en) * 1935-01-23 1936-06-27 Standard Oil Dev Co Process of cold treatment of the surface of special steel objects
DE1227491B (en) * 1957-03-06 1966-10-27 Krupp Ag Huettenwerke Non-magnetic cap rings resistant to stress corrosion cracking
AT214466B (en) * 1959-06-04 1961-04-10 Schoeller Bleckmann Stahlwerke Steel alloys for the manufacture of drill collars for deep drill rods
AT308793B (en) * 1968-12-02 1973-07-25 Schoeller Bleckmann Stahlwerke Austenitic chrome-nickel-nitrogen-steel alloy for non-magnetizable drill collar and rod parts
US3610008A (en) * 1969-06-27 1971-10-05 Northrop Corp Peening tool
US3648510A (en) * 1969-08-01 1972-03-14 Gardner Newell J Internal peening tool

Also Published As

Publication number Publication date
EP0035091B1 (en) 1985-04-10
DE3070489D1 (en) 1985-05-15
AT364592B (en) 1981-10-27
EP0035091A1 (en) 1981-09-09

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee