JPS5558329A - Production of iron base alloy pipe of superior oxidation resistance to high temperature steam - Google Patents

Production of iron base alloy pipe of superior oxidation resistance to high temperature steam

Info

Publication number
JPS5558329A
JPS5558329A JP12906178A JP12906178A JPS5558329A JP S5558329 A JPS5558329 A JP S5558329A JP 12906178 A JP12906178 A JP 12906178A JP 12906178 A JP12906178 A JP 12906178A JP S5558329 A JPS5558329 A JP S5558329A
Authority
JP
Japan
Prior art keywords
alloy pipe
oxidation resistance
under
iron alloy
high temperature
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.)
Granted
Application number
JP12906178A
Other languages
Japanese (ja)
Other versions
JPS6137335B2 (en
Inventor
Kazuhiro Kanero
Yusuke Minami
Morimasu Kaneda
Kunihiko Kubo
Manabu Tamura
Takashi Shiraishi
Isao Minegishi
Yoshiki Kamemura
Yoshinori Komiya
Akiyoshi Matsushita
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan 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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP12906178A priority Critical patent/JPS5558329A/en
Publication of JPS5558329A publication Critical patent/JPS5558329A/en
Publication of JPS6137335B2 publication Critical patent/JPS6137335B2/ja
Granted 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

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 Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

PURPOSE:To obtain the steel pipe of superior steam oxidation resistance free from cold stress by forming a grain refining layer of more than the specific thickness and in excess of grain size No.7 on the inside surface of the austenite base iron alloy pipe of the specific composition and subjecting to cold working and recrystallization treatment at high temperature. CONSTITUTION:The austenite base iron alloy pipe containing Cr; 15-26%, Ni; 8-35%, Si; 1% or under, Mn; 2% or under is treated like this: A grain refining layer in excess of grain size No.7 is formed over a thickness range of above 30mu on at least the inside surface side of the foregoing iron alloy pipe. Next, the foregoing iron alloy pipe having been formed with this grain refining layer is cold- worked and is further subjected to recrystallization treatment at above 950 deg.C, e.g., 1150 deg.C. Here, the steam oxidation resistance may be improved further by containing Ti; 0.6% or under or Nb; 0.1 or under further to the foregoing alloy pipe composition.
JP12906178A 1978-10-21 1978-10-21 Production of iron base alloy pipe of superior oxidation resistance to high temperature steam Granted JPS5558329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12906178A JPS5558329A (en) 1978-10-21 1978-10-21 Production of iron base alloy pipe of superior oxidation resistance to high temperature steam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12906178A JPS5558329A (en) 1978-10-21 1978-10-21 Production of iron base alloy pipe of superior oxidation resistance to high temperature steam

Publications (2)

Publication Number Publication Date
JPS5558329A true JPS5558329A (en) 1980-05-01
JPS6137335B2 JPS6137335B2 (en) 1986-08-23

Family

ID=15000110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12906178A Granted JPS5558329A (en) 1978-10-21 1978-10-21 Production of iron base alloy pipe of superior oxidation resistance to high temperature steam

Country Status (1)

Country Link
JP (1) JPS5558329A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5792130A (en) * 1980-12-01 1982-06-08 Mitsubishi Heavy Ind Ltd Production of stainless steel pipe having resistance to steam oxidation
JPS58133352A (en) * 1982-02-03 1983-08-09 Nippon Kokan Kk <Nkk> Austenite stainless steel pipe and preparation thereof
JPS6156234A (en) * 1984-08-23 1986-03-20 Sumitomo Metal Ind Ltd Manufacture of austenite stainless fine grain steel
JPH09249946A (en) * 1996-03-14 1997-09-22 Nkk Corp Steel for pressure fluidized bed combustion type thermal power plant
WO2008023410A1 (en) 2006-08-23 2008-02-28 Nkk Tubes Austenite-base stainless steel pipe, for boiler, having excellent high-temperature steam oxidation resistance
US8852362B2 (en) 2010-06-09 2014-10-07 Nippon Steel & Sumitomo Metal Corporation Austenitic stainless steel pipe excellent in steam oxidation resistance and manufacturing method therefor
US9612008B2 (en) 2011-06-28 2017-04-04 Nippon Steel & Sumitomo Metal Corporation Austenitic stainless steel tube

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5792130A (en) * 1980-12-01 1982-06-08 Mitsubishi Heavy Ind Ltd Production of stainless steel pipe having resistance to steam oxidation
JPS58133352A (en) * 1982-02-03 1983-08-09 Nippon Kokan Kk <Nkk> Austenite stainless steel pipe and preparation thereof
JPH0222125B2 (en) * 1982-02-03 1990-05-17 Nippon Kokan Kk
JPS6156234A (en) * 1984-08-23 1986-03-20 Sumitomo Metal Ind Ltd Manufacture of austenite stainless fine grain steel
JPH0129854B2 (en) * 1984-08-23 1989-06-14 Sumitomo Metal Ind
JPH09249946A (en) * 1996-03-14 1997-09-22 Nkk Corp Steel for pressure fluidized bed combustion type thermal power plant
WO2008023410A1 (en) 2006-08-23 2008-02-28 Nkk Tubes Austenite-base stainless steel pipe, for boiler, having excellent high-temperature steam oxidation resistance
US8034198B2 (en) 2006-08-23 2011-10-11 Nkk Tubes Austenitic stainless steel tube for boiler with excellent resistance to high temperature steam oxidation
US8852362B2 (en) 2010-06-09 2014-10-07 Nippon Steel & Sumitomo Metal Corporation Austenitic stainless steel pipe excellent in steam oxidation resistance and manufacturing method therefor
US9612008B2 (en) 2011-06-28 2017-04-04 Nippon Steel & Sumitomo Metal Corporation Austenitic stainless steel tube

Also Published As

Publication number Publication date
JPS6137335B2 (en) 1986-08-23

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