JPS5472709A - Manufacture of linear additive for steel - Google Patents

Manufacture of linear additive for steel

Info

Publication number
JPS5472709A
JPS5472709A JP14054177A JP14054177A JPS5472709A JP S5472709 A JPS5472709 A JP S5472709A JP 14054177 A JP14054177 A JP 14054177A JP 14054177 A JP14054177 A JP 14054177A JP S5472709 A JPS5472709 A JP S5472709A
Authority
JP
Japan
Prior art keywords
wire
steel
tape
extrusion
additive
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
JP14054177A
Other languages
Japanese (ja)
Inventor
Deiitoritsuhi.Eerushiyureegeru
Hajime Abe
Shigeru Yumino
Akimitsu Kobayashi
Hirofumi Kodama
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable 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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP14054177A priority Critical patent/JPS5472709A/en
Publication of JPS5472709A publication Critical patent/JPS5472709A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4653—Tapholes; Opening or plugging thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

PURPOSE:To obtain a linear additive for steel with superior productivity and stability in quality by extrusion molding additive raw material, Ca and Al with regulated purity, and tightly covering the resulting wire with a steel tape while attaching the tape lengthwise. CONSTITUTION:Additive raw material 4, fine grain Ca of a purity above 95% optionally mixed with fine grain Al of a purity above 97%, is charged into heated container 1 and extrusion molded into wire 5 through die 3. Wire 5 is continuously passed through forming unit 7 while attaching mild steel tape 6 lengthwise to tightly cover wire 5 with tape 6 at an overlapped state, thus obtaining composite linear additive 8 for steel. By this method wire 5 with good surface states is obtd. without ignition at the time of extrusion, and hence the extrusion speed can be increased, resulting in enhanced productivity.
JP14054177A 1977-11-21 1977-11-21 Manufacture of linear additive for steel Pending JPS5472709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14054177A JPS5472709A (en) 1977-11-21 1977-11-21 Manufacture of linear additive for steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14054177A JPS5472709A (en) 1977-11-21 1977-11-21 Manufacture of linear additive for steel

Publications (1)

Publication Number Publication Date
JPS5472709A true JPS5472709A (en) 1979-06-11

Family

ID=15271064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14054177A Pending JPS5472709A (en) 1977-11-21 1977-11-21 Manufacture of linear additive for steel

Country Status (1)

Country Link
JP (1) JPS5472709A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5051960A (en) * 1973-09-11 1975-05-09
JPS5139516A (en) * 1974-10-02 1976-04-02 Hitachi Cable SEIKO YOSENJOTENKAZAINO SEIZOHOHO

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5051960A (en) * 1973-09-11 1975-05-09
JPS5139516A (en) * 1974-10-02 1976-04-02 Hitachi Cable SEIKO YOSENJOTENKAZAINO SEIZOHOHO

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