JPS5410218A - Quench hardening method for steel tube with occurence of no quenching crack - Google Patents

Quench hardening method for steel tube with occurence of no quenching crack

Info

Publication number
JPS5410218A
JPS5410218A JP7583977A JP7583977A JPS5410218A JP S5410218 A JPS5410218 A JP S5410218A JP 7583977 A JP7583977 A JP 7583977A JP 7583977 A JP7583977 A JP 7583977A JP S5410218 A JPS5410218 A JP S5410218A
Authority
JP
Japan
Prior art keywords
steel tube
occurence
quench hardening
hardening method
quenching crack
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
JP7583977A
Other languages
Japanese (ja)
Other versions
JPS5929085B2 (en
Inventor
Teruo Kaneko
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 JP7583977A priority Critical patent/JPS5929085B2/en
Publication of JPS5410218A publication Critical patent/JPS5410218A/en
Publication of JPS5929085B2 publication Critical patent/JPS5929085B2/en
Expired 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
    • C21D9/085—Cooling or quenching

Abstract

PURPOSE:To prevent the occurrence of quenching crack in quench hardening of a steel tube by spraying the outside of the tube with cooling water, by cooling the tube while regulating a difference in temp. between the inside and outside when the inside temp. is in the transformation range.
JP7583977A 1977-06-25 1977-06-25 Quenching method for steel pipes that does not cause quench cracking Expired JPS5929085B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7583977A JPS5929085B2 (en) 1977-06-25 1977-06-25 Quenching method for steel pipes that does not cause quench cracking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7583977A JPS5929085B2 (en) 1977-06-25 1977-06-25 Quenching method for steel pipes that does not cause quench cracking

Publications (2)

Publication Number Publication Date
JPS5410218A true JPS5410218A (en) 1979-01-25
JPS5929085B2 JPS5929085B2 (en) 1984-07-18

Family

ID=13587758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7583977A Expired JPS5929085B2 (en) 1977-06-25 1977-06-25 Quenching method for steel pipes that does not cause quench cracking

Country Status (1)

Country Link
JP (1) JPS5929085B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110629008A (en) * 2019-09-06 2019-12-31 达力普石油专用管有限公司 Method for improving quenching uniformity of internal-spraying and external-spraying quenching system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08188827A (en) * 1995-01-09 1996-07-23 Sumitomo Metal Ind Ltd Production of martensitic stainless steel tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110629008A (en) * 2019-09-06 2019-12-31 达力普石油专用管有限公司 Method for improving quenching uniformity of internal-spraying and external-spraying quenching system

Also Published As

Publication number Publication date
JPS5929085B2 (en) 1984-07-18

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