FR2005819A1 - Concrete reinforcement steel with high stretch strength - and improved weldability - Google Patents

Concrete reinforcement steel with high stretch strength - and improved weldability

Info

Publication number
FR2005819A1
FR2005819A1 FR6909209A FR6909209A FR2005819A1 FR 2005819 A1 FR2005819 A1 FR 2005819A1 FR 6909209 A FR6909209 A FR 6909209A FR 6909209 A FR6909209 A FR 6909209A FR 2005819 A1 FR2005819 A1 FR 2005819A1
Authority
FR
France
Prior art keywords
concrete reinforcement
high stretch
reinforcement steel
improved weldability
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.)
Withdrawn
Application number
FR6909209A
Other languages
French (fr)
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Priority to FR6909209A priority Critical patent/FR2005819A1/en
Publication of FR2005819A1 publication Critical patent/FR2005819A1/en
Withdrawn legal-status Critical Current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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/08—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

Concrete reinforcement steel with high stretch strength and improved weldability is claimed for the round bar produced by the steel mill for this purpose if treated at the moment of leaving the mill by isothermic quenching in the bainitic range. It makes if possible to use steel with lower carbon content, improving welding, ensures greater homogeneity in the metal and results in structural refinement and more durable strength.
FR6909209A 1969-04-03 1969-04-03 Concrete reinforcement steel with high stretch strength - and improved weldability Withdrawn FR2005819A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6909209A FR2005819A1 (en) 1969-04-03 1969-04-03 Concrete reinforcement steel with high stretch strength - and improved weldability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6909209A FR2005819A1 (en) 1969-04-03 1969-04-03 Concrete reinforcement steel with high stretch strength - and improved weldability

Publications (1)

Publication Number Publication Date
FR2005819A1 true FR2005819A1 (en) 1969-12-19

Family

ID=9031424

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6909209A Withdrawn FR2005819A1 (en) 1969-04-03 1969-04-03 Concrete reinforcement steel with high stretch strength - and improved weldability

Country Status (1)

Country Link
FR (1) FR2005819A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395084A1 (en) * 1977-06-20 1979-01-19 British Steel Corp Welded steel rod grid prodn. for use as concrete reinforcement - by hot rolling steel into rod, water cooling, air cooling to temper the surface and welding to form grid
FR2405998A1 (en) * 1977-10-14 1979-05-11 Centre Rech Metallurgique IMPROVEMENTS IN PROCESSES FOR TREATING TUBULAR STEEL PROFILES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2395084A1 (en) * 1977-06-20 1979-01-19 British Steel Corp Welded steel rod grid prodn. for use as concrete reinforcement - by hot rolling steel into rod, water cooling, air cooling to temper the surface and welding to form grid
FR2405998A1 (en) * 1977-10-14 1979-05-11 Centre Rech Metallurgique IMPROVEMENTS IN PROCESSES FOR TREATING TUBULAR STEEL PROFILES

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Legal Events

Date Code Title Description
ST Notification of lapse