JPS57181330A - Solution heat treatment of stainless steel pipe - Google Patents

Solution heat treatment of stainless steel pipe

Info

Publication number
JPS57181330A
JPS57181330A JP6438081A JP6438081A JPS57181330A JP S57181330 A JPS57181330 A JP S57181330A JP 6438081 A JP6438081 A JP 6438081A JP 6438081 A JP6438081 A JP 6438081A JP S57181330 A JPS57181330 A JP S57181330A
Authority
JP
Japan
Prior art keywords
pipe
solution heat
stainless steel
steel pipe
heat treatment
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
JP6438081A
Other languages
Japanese (ja)
Inventor
Akio Kuhara
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
Priority to JP6438081A priority Critical patent/JPS57181330A/en
Publication of JPS57181330A publication Critical patent/JPS57181330A/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
    • C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes

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:To enhance the endurance of a stainless steel pipe by making the cooling rate of the inside of the pipe higher than that of the outside in the quenching stage of solution heat-treatment to leave larger compressive stress at the inside. CONSTITUTION:A stainless steel pipe 1 is mounted on a support 2, a spray device is set in the pipe 1, and water is sprayed 4 on the inner wall of the pipe 1 from the nozzles 3 of the device. Accordingly, the inside of the pipe 1 is cooled more rapidly than the outside. By carrying out the quenching stage of solution heat-treatment as mentioned above, larger residual compressive stress is distributed at the inside of the pipe after solution heat-treatment over a large thickness range.
JP6438081A 1981-04-28 1981-04-28 Solution heat treatment of stainless steel pipe Pending JPS57181330A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6438081A JPS57181330A (en) 1981-04-28 1981-04-28 Solution heat treatment of stainless steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6438081A JPS57181330A (en) 1981-04-28 1981-04-28 Solution heat treatment of stainless steel pipe

Publications (1)

Publication Number Publication Date
JPS57181330A true JPS57181330A (en) 1982-11-08

Family

ID=13256637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6438081A Pending JPS57181330A (en) 1981-04-28 1981-04-28 Solution heat treatment of stainless steel pipe

Country Status (1)

Country Link
JP (1) JPS57181330A (en)

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