FR2274704A1 - High-tensile steel bars for reinforcing concrete - with optimum formability, weldability and fatigue strength - Google Patents
High-tensile steel bars for reinforcing concrete - with optimum formability, weldability and fatigue strengthInfo
- Publication number
- FR2274704A1 FR2274704A1 FR7517584A FR7517584A FR2274704A1 FR 2274704 A1 FR2274704 A1 FR 2274704A1 FR 7517584 A FR7517584 A FR 7517584A FR 7517584 A FR7517584 A FR 7517584A FR 2274704 A1 FR2274704 A1 FR 2274704A1
- Authority
- FR
- France
- Prior art keywords
- fatigue strength
- weldability
- reinforcing concrete
- steel bars
- tensile 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
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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
High-tensile, naturally-hard steel for concrete reinforcement, esp. to BSt 42/50 or BSt 50/55 of German specification DIN 488, has compsn. 0.24-0.33% C, 0.8-1.4% Mn, 0.3-0.6% Si, 0.03-0.06% V, Nb and/or Ti, 0.3-0.8% Cu, the remainder being Fe and the usual impurities. The steel pref. has a carbon content of 0.24-0.29% and the pref. element chosen from the group V, Nb, Ti, Cu, is V. In reinforcing concrete these steels have both good forming properties and an adequate resistance to fatigue strength, while being less costly than steels with a carbon content below 0.20%.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742428995 DE2428995B2 (en) | 1974-06-15 | 1974-06-15 | Use of a naturally hard steel for weldable reinforcing steel with high fatigue strength |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2274704A1 true FR2274704A1 (en) | 1976-01-09 |
| FR2274704B1 FR2274704B1 (en) | 1981-06-19 |
Family
ID=5918247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7517584A Granted FR2274704A1 (en) | 1974-06-15 | 1975-06-05 | High-tensile steel bars for reinforcing concrete - with optimum formability, weldability and fatigue strength |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE830116A (en) |
| DE (1) | DE2428995B2 (en) |
| FR (1) | FR2274704A1 (en) |
| IT (1) | IT1036969B (en) |
| LU (1) | LU72726A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0255597A2 (en) * | 1986-07-05 | 1988-02-10 | Thyssen Edelstahlwerke AG | Low alloy steels |
| US5221373A (en) * | 1989-06-09 | 1993-06-22 | Thyssen Edelstahlwerke Ag | Internal combustion engine valve composed of precipitation hardening ferritic-pearlitic steel |
| EP0928835A1 (en) * | 1998-01-07 | 1999-07-14 | Modern Alloy Company L.L.C | Universal alloy steel |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108977729A (en) * | 2018-07-10 | 2018-12-11 | 陕钢集团汉中钢铁有限责任公司 | A kind of high strength cast iron and its production method |
| CN116463550A (en) * | 2023-03-27 | 2023-07-21 | 抚顺新钢铁有限责任公司 | 700 MPa-level high-strength steel bar and production method thereof |
-
1974
- 1974-06-15 DE DE19742428995 patent/DE2428995B2/en not_active Ceased
-
1975
- 1975-06-05 FR FR7517584A patent/FR2274704A1/en active Granted
- 1975-06-11 BE BE157231A patent/BE830116A/en not_active IP Right Cessation
- 1975-06-12 IT IT5002175A patent/IT1036969B/en active
- 1975-06-13 LU LU72726A patent/LU72726A1/xx unknown
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0255597A2 (en) * | 1986-07-05 | 1988-02-10 | Thyssen Edelstahlwerke AG | Low alloy steels |
| EP0255597A3 (en) * | 1986-07-05 | 1989-01-11 | Thyssen Edelstahlwerke Ag | Low alloy steels |
| US5221373A (en) * | 1989-06-09 | 1993-06-22 | Thyssen Edelstahlwerke Ag | Internal combustion engine valve composed of precipitation hardening ferritic-pearlitic steel |
| US5286311A (en) * | 1989-06-09 | 1994-02-15 | Thyssen Edelstahlwarke Ag | Precipitation hardening ferritic-pearlitic steel valve |
| EP0928835A1 (en) * | 1998-01-07 | 1999-07-14 | Modern Alloy Company L.L.C | Universal alloy steel |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2428995B2 (en) | 1978-10-05 |
| DE2428995A1 (en) | 1975-12-18 |
| LU72726A1 (en) | 1975-10-08 |
| FR2274704B1 (en) | 1981-06-19 |
| BE830116A (en) | 1975-10-01 |
| IT1036969B (en) | 1979-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |