JPS51112723A - Process for hardening steel pipes - Google Patents

Process for hardening steel pipes

Info

Publication number
JPS51112723A
JPS51112723A JP50039494A JP3949475A JPS51112723A JP S51112723 A JPS51112723 A JP S51112723A JP 50039494 A JP50039494 A JP 50039494A JP 3949475 A JP3949475 A JP 3949475A JP S51112723 A JPS51112723 A JP S51112723A
Authority
JP
Japan
Prior art keywords
steel pipes
hardening steel
hardening
trimming
capping
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.)
Pending
Application number
JP50039494A
Other languages
Japanese (ja)
Inventor
Yoshihisa Fujii
Hideo Muraoka
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP50039494A priority Critical patent/JPS51112723A/en
Publication of JPS51112723A publication Critical patent/JPS51112723A/en
Pending 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
    • 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

PURPOSE:Process for hardening steel pipes, at that time quenching cracking is prevented and trimming and capping at one end of the pipe is unnecessary.
JP50039494A 1975-03-31 1975-03-31 Process for hardening steel pipes Pending JPS51112723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50039494A JPS51112723A (en) 1975-03-31 1975-03-31 Process for hardening steel pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50039494A JPS51112723A (en) 1975-03-31 1975-03-31 Process for hardening steel pipes

Publications (1)

Publication Number Publication Date
JPS51112723A true JPS51112723A (en) 1976-10-05

Family

ID=12554595

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50039494A Pending JPS51112723A (en) 1975-03-31 1975-03-31 Process for hardening steel pipes

Country Status (1)

Country Link
JP (1) JPS51112723A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53108011A (en) * 1977-03-04 1978-09-20 Kawasaki Steel Co Homogenous cooling of heated steel tube
CN106191398A (en) * 2015-04-30 2016-12-07 湖北三环车桥有限公司 Front axle hierarchical control heat treatment spray system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4871707A (en) * 1971-12-29 1973-09-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4871707A (en) * 1971-12-29 1973-09-28

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53108011A (en) * 1977-03-04 1978-09-20 Kawasaki Steel Co Homogenous cooling of heated steel tube
CN106191398A (en) * 2015-04-30 2016-12-07 湖北三环车桥有限公司 Front axle hierarchical control heat treatment spray system
CN106191398B (en) * 2015-04-30 2018-03-23 湖北三环车桥有限公司 Front axle hierarchical control is heat-treated spray system

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