JPS57114620A - Heat treatment for steel wire rod - Google Patents

Heat treatment for steel wire rod

Info

Publication number
JPS57114620A
JPS57114620A JP18835480A JP18835480A JPS57114620A JP S57114620 A JPS57114620 A JP S57114620A JP 18835480 A JP18835480 A JP 18835480A JP 18835480 A JP18835480 A JP 18835480A JP S57114620 A JPS57114620 A JP S57114620A
Authority
JP
Japan
Prior art keywords
wire rod
bath
steel wire
heat treated
heat treatment
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
JP18835480A
Other languages
Japanese (ja)
Inventor
Masahiro Kitaura
Minoru Noguchi
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co 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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP18835480A priority Critical patent/JPS57114620A/en
Publication of JPS57114620A publication Critical patent/JPS57114620A/en
Pending 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods

Abstract

PURPOSE:To remove the films consisting of the salt bath composition stuck on surfaces through simple operation by pulling a steel wire rod which is immersed in a heated and molten salt bath and is thereby heat treated, out from the bath inside and bringing the same immediately into contact with water. CONSTITUTION:A wire rod 2 to be heat treated which is coiled on a swift 1 is delivered in an arrow direction by a guide roll 2 and is introduced into a heat treatment furnace 4. A salt bath 6 heated and melted with a heater 5 is formed in the furnace 4, and the wire rod 2 introduced into the bath 6 is wound plural times on a rotary drum 7 and is immersed therein, whereby it is heat treated. The wire rod 2 is pulled out from the bath 6 is guided by a guide roll 2 and is introduced immediately into a water tank 13. At this time, the temp. difference between the steel wire rod pulled out from the bath 6 and the water temp. to be brought in contact therewith is set at above 100 deg.C.
JP18835480A 1980-12-29 1980-12-29 Heat treatment for steel wire rod Pending JPS57114620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18835480A JPS57114620A (en) 1980-12-29 1980-12-29 Heat treatment for steel wire rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18835480A JPS57114620A (en) 1980-12-29 1980-12-29 Heat treatment for steel wire rod

Publications (1)

Publication Number Publication Date
JPS57114620A true JPS57114620A (en) 1982-07-16

Family

ID=16222153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18835480A Pending JPS57114620A (en) 1980-12-29 1980-12-29 Heat treatment for steel wire rod

Country Status (1)

Country Link
JP (1) JPS57114620A (en)

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