JPH0233771B2 - - Google Patents

Info

Publication number
JPH0233771B2
JPH0233771B2 JP58021549A JP2154983A JPH0233771B2 JP H0233771 B2 JPH0233771 B2 JP H0233771B2 JP 58021549 A JP58021549 A JP 58021549A JP 2154983 A JP2154983 A JP 2154983A JP H0233771 B2 JPH0233771 B2 JP H0233771B2
Authority
JP
Japan
Prior art keywords
bolt
strength
tensile strength
forming
tool
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 - Lifetime
Application number
JP58021549A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59147738A (ja
Inventor
Samon Yanagimoto
Takeshi Miki
Masahiro Toda
Yukio Ochiai
Osamichi Serikawa
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP2154983A priority Critical patent/JPS59147738A/ja
Publication of JPS59147738A publication Critical patent/JPS59147738A/ja
Publication of JPH0233771B2 publication Critical patent/JPH0233771B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
  • Forging (AREA)
  • Heat Treatment Of Steel (AREA)
JP2154983A 1983-02-14 1983-02-14 引張強さ９０Ｋｇ／ｍｍ↑２以上の高張力ボルト製造法 Granted JPS59147738A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2154983A JPS59147738A (ja) 1983-02-14 1983-02-14 引張強さ９０Ｋｇ／ｍｍ↑２以上の高張力ボルト製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2154983A JPS59147738A (ja) 1983-02-14 1983-02-14 引張強さ９０Ｋｇ／ｍｍ↑２以上の高張力ボルト製造法

Publications (2)

Publication Number Publication Date
JPS59147738A JPS59147738A (ja) 1984-08-24
JPH0233771B2 true JPH0233771B2 (zh) 1990-07-30

Family

ID=12058069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2154983A Granted JPS59147738A (ja) 1983-02-14 1983-02-14 引張強さ９０Ｋｇ／ｍｍ↑２以上の高張力ボルト製造法

Country Status (1)

Country Link
JP (1) JPS59147738A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011195025A (ja) * 2010-03-19 2011-10-06 Shiroki Corp 棒の製造方法及びねじ棒

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6487717A (en) * 1987-09-30 1989-03-31 Nippon Steel Corp Production of high tensile bolt
JPH0735545B2 (ja) * 1989-04-17 1995-04-19 新日本製鐵株式会社 高張力非調質ボルトの製造法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57134515A (en) * 1981-02-10 1982-08-19 Kobe Steel Ltd Production of high tension bolt
JPS59107063A (ja) * 1982-12-10 1984-06-21 Daido Steel Co Ltd ボルト用線材の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57134515A (en) * 1981-02-10 1982-08-19 Kobe Steel Ltd Production of high tension bolt
JPS59107063A (ja) * 1982-12-10 1984-06-21 Daido Steel Co Ltd ボルト用線材の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011195025A (ja) * 2010-03-19 2011-10-06 Shiroki Corp 棒の製造方法及びねじ棒

Also Published As

Publication number Publication date
JPS59147738A (ja) 1984-08-24

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