SE8000069L - WELDABLE REINFORCEMENT STEEL AND SET FOR ITS MANUFACTURING - Google Patents
WELDABLE REINFORCEMENT STEEL AND SET FOR ITS MANUFACTURINGInfo
- Publication number
- SE8000069L SE8000069L SE8000069A SE8000069A SE8000069L SE 8000069 L SE8000069 L SE 8000069L SE 8000069 A SE8000069 A SE 8000069A SE 8000069 A SE8000069 A SE 8000069A SE 8000069 L SE8000069 L SE 8000069L
- Authority
- SE
- Sweden
- Prior art keywords
- weldable
- manufacturing
- surface layer
- core region
- reinforcement steel
- Prior art date
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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
- Reinforcement Elements For Buildings (AREA)
- Heat Treatment Of Articles (AREA)
- Laminated Bodies (AREA)
Abstract
Weldable steel rods for use in reinforced concrete, so-called concrete steel, are in the form of a concentric core region and a surface layer. The core region is formed of a pure perlite-ferrite mixed structure, in which the proportion of ferrite is from 20 to 80%. The core region is directly adjacent to the surface layer, without any intermediate layer. The surface layer is composed of pure, annealed martensite. A method for the production of such concrete steel is also disclosed.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2900271A DE2900271C2 (en) | 1979-01-05 | 1979-01-05 | Weldable reinforcing steel and process for its manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8000069L true SE8000069L (en) | 1980-07-06 |
SE451020B SE451020B (en) | 1987-08-24 |
Family
ID=6060073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8000069A SE451020B (en) | 1979-01-05 | 1980-01-04 | WELDABLE REINFORCEMENT STEEL AND WELL PREPARED |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS55115949A (en) |
AU (1) | AU534561B2 (en) |
BE (1) | BE881003A (en) |
CA (1) | CA1129312A (en) |
DE (1) | DE2900271C2 (en) |
ES (1) | ES487449A0 (en) |
FI (1) | FI69120C (en) |
FR (1) | FR2445858A1 (en) |
GB (1) | GB2047270B (en) |
IT (1) | IT1164547B (en) |
LU (1) | LU82058A1 (en) |
NL (1) | NL8000059A (en) |
SE (1) | SE451020B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU85475A1 (en) * | 1984-07-23 | 1986-02-12 | Arbed | PROCESS FOR PRODUCING HARD STEEL MACHINE WIRE |
DE3431008C2 (en) | 1984-08-23 | 1986-10-16 | Dyckerhoff & Widmann AG, 8000 München | Heat treatment of hot rolled bars or wires |
DD231577B1 (en) * | 1984-12-17 | 1987-09-09 | Brandenburg Stahl Walzwerk | METHOD FOR INCREASING THE STRENGTH OF REINFORCING STEELS |
DD234281B1 (en) * | 1984-12-21 | 1989-06-21 | Florin Stahl Walzwerk | METHOD FOR PRESSURE WATER TREATMENT OF ROLLING STEEL PRODUCTS |
DD239805B1 (en) * | 1985-07-29 | 1988-06-22 | Thaelmann Schwermaschbau Veb | METHOD FOR PRODUCING A CONCRETE STEEL |
CA1265421A (en) * | 1985-10-31 | 1990-02-06 | Norio Anzawa | Method and apparatus for cooling rolled steels |
FR2684691B1 (en) * | 1991-12-04 | 1995-06-09 | Unimetall Sa | PROCESS FOR THE CONTINUOUS MANUFACTURE OF A THREADED STEEL WIRE, PARTICULARLY A WIRE FOR REINFORCING CONCRETE. |
DE19962801A1 (en) * | 1999-12-23 | 2001-06-28 | Sms Demag Ag | Process for heat treating wire |
US6395109B1 (en) | 2000-02-15 | 2002-05-28 | Cargill, Incorporated | Bar product, cylinder rods, hydraulic cylinders, and method for manufacturing |
IT1391760B1 (en) * | 2008-11-11 | 2012-01-27 | Danieli Off Mecc | THERMAL TREATMENT PROCESS OF LAMINATES |
KR101787287B1 (en) * | 2016-10-21 | 2017-10-19 | 현대제철 주식회사 | High strength steel deformed bar and method of manufacturing the same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE790867A (en) * | 1972-10-31 | 1973-02-15 | Centre Rech Metallurgique | PROCESS FOR IMPROVING THE QUALITY OF LAMINATED PRODUCTS, SUCH AS ROUND OR CONCRETE BARS, MACHINE WIRE, ETC .... |
NL170159C (en) * | 1973-06-04 | 1982-10-01 | Estel Hoogovens Bv | METHOD FOR MANUFACTURING WELDABLE LOW CARBON STEEL MATERIAL BY CONTROLLED COOLING |
AT368774B (en) * | 1973-09-11 | 1982-11-10 | Salzgitter Peine Stahlwerke | STEEL WIRE AND METHOD FOR THE PRODUCTION THEREOF |
DD106661A1 (en) * | 1973-09-24 | 1974-06-20 | ||
IT1090143B (en) * | 1975-01-29 | 1985-06-18 | Centre Rech Metallurgique | PROCESS FOR MANUFACTURING LAMINATED STEEL PRODUCTS |
-
1979
- 1979-01-05 DE DE2900271A patent/DE2900271C2/en not_active Expired
- 1979-12-21 IT IT28312/79A patent/IT1164547B/en active
- 1979-12-27 JP JP17389279A patent/JPS55115949A/en active Pending
- 1979-12-28 FI FI794092A patent/FI69120C/en not_active IP Right Cessation
-
1980
- 1980-01-02 AU AU54287/80A patent/AU534561B2/en not_active Ceased
- 1980-01-03 FR FR8000255A patent/FR2445858A1/en active Granted
- 1980-01-04 ES ES487449A patent/ES487449A0/en active Granted
- 1980-01-04 LU LU82058A patent/LU82058A1/en unknown
- 1980-01-04 CA CA343,104A patent/CA1129312A/en not_active Expired
- 1980-01-04 NL NL8000059A patent/NL8000059A/en not_active Application Discontinuation
- 1980-01-04 BE BE0/198857A patent/BE881003A/en not_active IP Right Cessation
- 1980-01-04 SE SE8000069A patent/SE451020B/en not_active IP Right Cessation
- 1980-01-07 GB GB8000407A patent/GB2047270B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
LU82058A1 (en) | 1980-04-23 |
GB2047270B (en) | 1982-12-15 |
DE2900271A1 (en) | 1980-07-17 |
SE451020B (en) | 1987-08-24 |
CA1129312A (en) | 1982-08-10 |
FI69120B (en) | 1985-08-30 |
FR2445858B1 (en) | 1984-05-04 |
NL8000059A (en) | 1980-07-08 |
AU534561B2 (en) | 1984-02-09 |
DE2900271C2 (en) | 1984-01-26 |
ES8107320A1 (en) | 1980-12-16 |
ES487449A0 (en) | 1980-12-16 |
AU5428780A (en) | 1980-07-10 |
FR2445858A1 (en) | 1980-08-01 |
IT1164547B (en) | 1987-04-15 |
JPS55115949A (en) | 1980-09-06 |
FI794092A (en) | 1980-07-06 |
BE881003A (en) | 1980-05-02 |
FI69120C (en) | 1987-05-05 |
IT7928312A0 (en) | 1979-12-21 |
GB2047270A (en) | 1980-11-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8000069-8 Effective date: 19901211 Format of ref document f/p: F |