FR2230739A1 - High strength cold rolled steel sheet - contains a controlled amount of niobium and sulphur and can be lap welded - Google Patents

High strength cold rolled steel sheet - contains a controlled amount of niobium and sulphur and can be lap welded

Info

Publication number
FR2230739A1
FR2230739A1 FR7417246A FR7417246A FR2230739A1 FR 2230739 A1 FR2230739 A1 FR 2230739A1 FR 7417246 A FR7417246 A FR 7417246A FR 7417246 A FR7417246 A FR 7417246A FR 2230739 A1 FR2230739 A1 FR 2230739A1
Authority
FR
France
Prior art keywords
steel sheet
niobium
sulphur
high strength
rolled steel
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
FR7417246A
Other languages
English (en)
French (fr)
Other versions
FR2230739B1 (enrdf_load_stackoverflow
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of FR2230739A1 publication Critical patent/FR2230739A1/fr
Application granted granted Critical
Publication of FR2230739B1 publication Critical patent/FR2230739B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
FR7417246A 1973-05-21 1974-05-17 High strength cold rolled steel sheet - contains a controlled amount of niobium and sulphur and can be lap welded Granted FR2230739A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5550473A JPS505218A (enrdf_load_stackoverflow) 1973-05-21 1973-05-21

Publications (2)

Publication Number Publication Date
FR2230739A1 true FR2230739A1 (en) 1974-12-20
FR2230739B1 FR2230739B1 (enrdf_load_stackoverflow) 1977-06-24

Family

ID=13000481

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417246A Granted FR2230739A1 (en) 1973-05-21 1974-05-17 High strength cold rolled steel sheet - contains a controlled amount of niobium and sulphur and can be lap welded

Country Status (3)

Country Link
JP (1) JPS505218A (enrdf_load_stackoverflow)
DE (1) DE2424685A1 (enrdf_load_stackoverflow)
FR (1) FR2230739A1 (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB974028A (en) * 1963-02-13 1964-11-04 South Durham Steel & Iron Comp Improvements in and relating to low alloy steels
FR1583941A (fr) * 1968-06-14 1969-12-05 Gabriels Sprl Ets J B Tôle

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4881721A (enrdf_load_stackoverflow) * 1972-02-04 1973-11-01

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB974028A (en) * 1963-02-13 1964-11-04 South Durham Steel & Iron Comp Improvements in and relating to low alloy steels
FR1583941A (fr) * 1968-06-14 1969-12-05 Gabriels Sprl Ets J B Tôle

Also Published As

Publication number Publication date
FR2230739B1 (enrdf_load_stackoverflow) 1977-06-24
JPS505218A (enrdf_load_stackoverflow) 1975-01-20
DE2424685A1 (de) 1974-12-12

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Legal Events

Date Code Title Description
ST Notification of lapse