GB2297763B - Prestressed concrete steel wire or rod. - Google Patents
Prestressed concrete steel wire or rod.Info
- Publication number
- GB2297763B GB2297763B GB9502580A GB9502580A GB2297763B GB 2297763 B GB2297763 B GB 2297763B GB 9502580 A GB9502580 A GB 9502580A GB 9502580 A GB9502580 A GB 9502580A GB 2297763 B GB2297763 B GB 2297763B
- Authority
- GB
- United Kingdom
- Prior art keywords
- rod
- steel wire
- prestressed concrete
- concrete steel
- prestressed
- 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.)
- Expired - Fee Related
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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5218976A JPH0754102A (en) | 1993-08-10 | 1993-08-10 | Pc steel wire or steel bar excellent in straightness and heading property |
CN94106208A CN1042148C (en) | 1993-08-10 | 1994-06-02 | PC steel wire or steel bar with good straightness and forging characters |
GB9502580A GB2297763B (en) | 1993-08-10 | 1995-02-10 | Prestressed concrete steel wire or rod. |
HK97102479A HK1000911A1 (en) | 1993-08-10 | 1997-12-17 | Prestressed concrete steel wire or rod |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5218976A JPH0754102A (en) | 1993-08-10 | 1993-08-10 | Pc steel wire or steel bar excellent in straightness and heading property |
GB9502580A GB2297763B (en) | 1993-08-10 | 1995-02-10 | Prestressed concrete steel wire or rod. |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9502580D0 GB9502580D0 (en) | 1995-03-29 |
GB2297763A GB2297763A (en) | 1996-08-14 |
GB2297763B true GB2297763B (en) | 1998-09-16 |
Family
ID=26306467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9502580A Expired - Fee Related GB2297763B (en) | 1993-08-10 | 1995-02-10 | Prestressed concrete steel wire or rod. |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH0754102A (en) |
CN (1) | CN1042148C (en) |
GB (1) | GB2297763B (en) |
HK (1) | HK1000911A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1327008C (en) * | 2005-07-07 | 2007-07-18 | 东北大学 | Post rolling fast cooling-production technology of high strength ribbed reinforced bar |
CN100532589C (en) * | 2006-10-16 | 2009-08-26 | 李向辉 | On-line bright quenching and tempering method and production line of steel wire |
CN110205474B (en) * | 2019-07-02 | 2021-09-14 | 常熟市龙腾滚动体制造有限公司 | Heat treatment method of steel bar for prestressed concrete |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS517145B2 (en) * | 1971-08-18 | 1976-03-05 | ||
JPS58338A (en) * | 1981-06-26 | 1983-01-05 | High Frequency Heattreat Co Ltd | Manufacturing device for steel rod or steel wire for prestressed concrete with superior delay breaking and superior mechanical characteristics |
JPS6465232A (en) * | 1987-09-04 | 1989-03-10 | Sumitomo Electric Industries | Production of steel products for presstressed concrete |
JP2764181B2 (en) * | 1989-03-15 | 1998-06-11 | 日本鋼管株式会社 | Salt-resistant PC steel bar with excellent delayed fracture characteristics |
-
1993
- 1993-08-10 JP JP5218976A patent/JPH0754102A/en active Pending
-
1994
- 1994-06-02 CN CN94106208A patent/CN1042148C/en not_active Expired - Fee Related
-
1995
- 1995-02-10 GB GB9502580A patent/GB2297763B/en not_active Expired - Fee Related
-
1997
- 1997-12-17 HK HK97102479A patent/HK1000911A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1105070A (en) | 1995-07-12 |
HK1000911A1 (en) | 2000-04-14 |
JPH0754102A (en) | 1995-02-28 |
GB9502580D0 (en) | 1995-03-29 |
CN1042148C (en) | 1999-02-17 |
GB2297763A (en) | 1996-08-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020210 |