JPS5792130A - Production of stainless steel pipe having resistance to steam oxidation - Google Patents

Production of stainless steel pipe having resistance to steam oxidation

Info

Publication number
JPS5792130A
JPS5792130A JP16799380A JP16799380A JPS5792130A JP S5792130 A JPS5792130 A JP S5792130A JP 16799380 A JP16799380 A JP 16799380A JP 16799380 A JP16799380 A JP 16799380A JP S5792130 A JPS5792130 A JP S5792130A
Authority
JP
Japan
Prior art keywords
steel pipe
temp
solution heat
heat treatment
inside surface
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
JP16799380A
Other languages
Japanese (ja)
Inventor
Takashi Oguro
Hidejiro Kinoshita
Fujimitsu Masuyama
Akisuke Muraishi
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP16799380A priority Critical patent/JPS5792130A/en
Publication of JPS5792130A publication Critical patent/JPS5792130A/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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (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 Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

PURPOSE:To prevent the oxidation of the inside surface of an austenite stainless steel pipe high-temp. steam by subjecting said steel pipe to a solution heat treatment under specific conditions then cold working the inside surface of the pipe and further applying a solution heat treatment thereto under specific conditions. CONSTITUTION:An austenite stainless steel pipe is subjected to the 1st solution heat treatment at such a temp. region at which crystal grain sizes go to <=7 ASTM grain size number, for example, in the case of SUS347HTB, at about 1,160-1,220 deg.C, whereby the crystal grain sizes of the steel pipe are controlled to the grain sizes necessary to obtain a high-temp. strength. Thence, cold working is applied on the inside surface of the pipe, after which the steel pipe is subjected to the 2nd solution heat treatment at such a temp. region lower than the temp. of the solution heat treatment and at which the ASTM grain size number goes to >=7, for example, at about 1,050-1,160 deg.C, whereby only the inside surface layer of the steel pipe is controlled to the fine grains necessary for steam oxidation resistance. Here, the holding times in the temp. regions of the 1st and 2nd solution heat treatments are set at about 10-30min.
JP16799380A 1980-12-01 1980-12-01 Production of stainless steel pipe having resistance to steam oxidation Pending JPS5792130A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16799380A JPS5792130A (en) 1980-12-01 1980-12-01 Production of stainless steel pipe having resistance to steam oxidation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16799380A JPS5792130A (en) 1980-12-01 1980-12-01 Production of stainless steel pipe having resistance to steam oxidation

Publications (1)

Publication Number Publication Date
JPS5792130A true JPS5792130A (en) 1982-06-08

Family

ID=15859805

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16799380A Pending JPS5792130A (en) 1980-12-01 1980-12-01 Production of stainless steel pipe having resistance to steam oxidation

Country Status (1)

Country Link
JP (1) JPS5792130A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2728031A1 (en) * 2011-06-28 2014-05-07 Nippon Steel & Sumitomo Metal Corporation Austenitic stainless steel pipe

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114722A (en) * 1977-03-17 1978-10-06 Sumitomo Metal Ind Ltd Manufacture of stainless steel tube having fine grain surface
JPS53124115A (en) * 1977-04-05 1978-10-30 Sumitomo Metal Ind Ltd Manufacture of stainless steel tube with grain refined surface
JPS54138814A (en) * 1978-04-21 1979-10-27 Nippon Kokan Kk <Nkk> Thermo-mechanical treatment method for austenitic stainless steel pipe to give hot steam oxidation resistance
JPS5558329A (en) * 1978-10-21 1980-05-01 Nippon Kokan Kk <Nkk> Production of iron base alloy pipe of superior oxidation resistance to high temperature steam

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114722A (en) * 1977-03-17 1978-10-06 Sumitomo Metal Ind Ltd Manufacture of stainless steel tube having fine grain surface
JPS53124115A (en) * 1977-04-05 1978-10-30 Sumitomo Metal Ind Ltd Manufacture of stainless steel tube with grain refined surface
JPS54138814A (en) * 1978-04-21 1979-10-27 Nippon Kokan Kk <Nkk> Thermo-mechanical treatment method for austenitic stainless steel pipe to give hot steam oxidation resistance
JPS5558329A (en) * 1978-10-21 1980-05-01 Nippon Kokan Kk <Nkk> Production of iron base alloy pipe of superior oxidation resistance to high temperature steam

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2728031A1 (en) * 2011-06-28 2014-05-07 Nippon Steel & Sumitomo Metal Corporation Austenitic stainless steel pipe
EP2728031A4 (en) * 2011-06-28 2015-03-25 Nippon Steel & Sumitomo Metal Corp Austenitic stainless steel pipe
US9612008B2 (en) 2011-06-28 2017-04-04 Nippon Steel & Sumitomo Metal Corporation Austenitic stainless steel tube

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