JPH0141462B2 - - Google Patents

Info

Publication number
JPH0141462B2
JPH0141462B2 JP55185061A JP18506180A JPH0141462B2 JP H0141462 B2 JPH0141462 B2 JP H0141462B2 JP 55185061 A JP55185061 A JP 55185061A JP 18506180 A JP18506180 A JP 18506180A JP H0141462 B2 JPH0141462 B2 JP H0141462B2
Authority
JP
Japan
Prior art keywords
steel bar
striking
face
residual stress
chisel
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.)
Expired
Application number
JP55185061A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57110618A (en
Inventor
Tsuneo Seto
Mitsuo Aoki
Shinjiro Murakami
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 Steel Corp
Original Assignee
Kawasaki Steel 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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP18506180A priority Critical patent/JPS57110618A/ja
Publication of JPS57110618A publication Critical patent/JPS57110618A/ja
Publication of JPH0141462B2 publication Critical patent/JPH0141462B2/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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Heat Treatment Of Articles (AREA)
JP18506180A 1980-12-27 1980-12-27 Preventing device for age cracking of steel bar Granted JPS57110618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18506180A JPS57110618A (en) 1980-12-27 1980-12-27 Preventing device for age cracking of steel bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18506180A JPS57110618A (en) 1980-12-27 1980-12-27 Preventing device for age cracking of steel bar

Publications (2)

Publication Number Publication Date
JPS57110618A JPS57110618A (en) 1982-07-09
JPH0141462B2 true JPH0141462B2 (en, 2012) 1989-09-05

Family

ID=16164117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18506180A Granted JPS57110618A (en) 1980-12-27 1980-12-27 Preventing device for age cracking of steel bar

Country Status (1)

Country Link
JP (1) JPS57110618A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5240971B2 (ja) * 2006-09-28 2013-07-17 株式会社峰製作所 高炭素鉄鋼レール部材及びその硬化処理方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53118222A (en) * 1977-03-25 1978-10-16 Hitachi Metals Ltd Method of producing spheroidal graphite cast iron
JPS53119220A (en) * 1977-03-28 1978-10-18 Hitachi Metals Ltd Method of producing spheroidal graphite cast iron

Also Published As

Publication number Publication date
JPS57110618A (en) 1982-07-09

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