JPS5429822A - Manufacture of niobium-containing heat resistant cast steel product with good weldability and ultrasonic flaw detectability - Google Patents

Manufacture of niobium-containing heat resistant cast steel product with good weldability and ultrasonic flaw detectability

Info

Publication number
JPS5429822A
JPS5429822A JP9579977A JP9579977A JPS5429822A JP S5429822 A JPS5429822 A JP S5429822A JP 9579977 A JP9579977 A JP 9579977A JP 9579977 A JP9579977 A JP 9579977A JP S5429822 A JPS5429822 A JP S5429822A
Authority
JP
Japan
Prior art keywords
heat resistant
cast steel
ultrasonic flaw
niobium
steel product
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
JP9579977A
Other languages
Japanese (ja)
Other versions
JPS572248B2 (en
Inventor
Shinichi Murakami
Arata Komitsu
Sueyoshi Nomichi
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 JP9579977A priority Critical patent/JPS5429822A/en
Publication of JPS5429822A publication Critical patent/JPS5429822A/en
Publication of JPS572248B2 publication Critical patent/JPS572248B2/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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys

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)

Abstract

PURPOSE:To give good weldability and ultrasonic flaw detectability to a niobiumcontg. heat resistant cast steel product of a predetermined compsn. by subjecting a predetermined part or all of the product to plastic deformation, followed by recrystallization heat treatment.
JP9579977A 1977-08-09 1977-08-09 Manufacture of niobium-containing heat resistant cast steel product with good weldability and ultrasonic flaw detectability Granted JPS5429822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9579977A JPS5429822A (en) 1977-08-09 1977-08-09 Manufacture of niobium-containing heat resistant cast steel product with good weldability and ultrasonic flaw detectability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9579977A JPS5429822A (en) 1977-08-09 1977-08-09 Manufacture of niobium-containing heat resistant cast steel product with good weldability and ultrasonic flaw detectability

Publications (2)

Publication Number Publication Date
JPS5429822A true JPS5429822A (en) 1979-03-06
JPS572248B2 JPS572248B2 (en) 1982-01-14

Family

ID=14147477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9579977A Granted JPS5429822A (en) 1977-08-09 1977-08-09 Manufacture of niobium-containing heat resistant cast steel product with good weldability and ultrasonic flaw detectability

Country Status (1)

Country Link
JP (1) JPS5429822A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59215956A (en) * 1983-05-23 1984-12-05 Taiho Kogyo Co Ltd Exhaust gas recirculation device

Also Published As

Publication number Publication date
JPS572248B2 (en) 1982-01-14

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