JPS52115709A - Equipment for preventing quenching crack at hardening of steel - Google Patents

Equipment for preventing quenching crack at hardening of steel

Info

Publication number
JPS52115709A
JPS52115709A JP3330376A JP3330376A JPS52115709A JP S52115709 A JPS52115709 A JP S52115709A JP 3330376 A JP3330376 A JP 3330376A JP 3330376 A JP3330376 A JP 3330376A JP S52115709 A JPS52115709 A JP S52115709A
Authority
JP
Japan
Prior art keywords
hardening
steel
equipment
quenching crack
preventing quenching
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
JP3330376A
Other languages
Japanese (ja)
Inventor
Kazuo Nakase
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
Sumitomo Metal 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP3330376A priority Critical patent/JPS52115709A/en
Publication of JPS52115709A publication Critical patent/JPS52115709A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

PURPOSE: To prevent the occurrence of the quenching crack due to the supercooling, by excluding the cooling water for hardening from the steel material quickly after the hardening treatment, when the axial steel material is hardened.
COPYRIGHT: (C)1977,JPO&Japio
JP3330376A 1976-03-25 1976-03-25 Equipment for preventing quenching crack at hardening of steel Pending JPS52115709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3330376A JPS52115709A (en) 1976-03-25 1976-03-25 Equipment for preventing quenching crack at hardening of steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3330376A JPS52115709A (en) 1976-03-25 1976-03-25 Equipment for preventing quenching crack at hardening of steel

Publications (1)

Publication Number Publication Date
JPS52115709A true JPS52115709A (en) 1977-09-28

Family

ID=12382771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3330376A Pending JPS52115709A (en) 1976-03-25 1976-03-25 Equipment for preventing quenching crack at hardening of steel

Country Status (1)

Country Link
JP (1) JPS52115709A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011006771A (en) * 2008-07-11 2011-01-13 Sanyo Special Steel Co Ltd Cooling method for preventing quenched crack at quenching time while shifting bar steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011006771A (en) * 2008-07-11 2011-01-13 Sanyo Special Steel Co Ltd Cooling method for preventing quenched crack at quenching time while shifting bar steel

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