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indented wire for prestressed concrete
The indented wire for prestressed concrete is manufactured from high-carbon steel with specific diameter and tensile strength standards. Produced through a cold-drawing process, the wire features smooth surfaces with uniform indentations that improve its bond with concrete.
These indentations enhance the mechanical interlock between the prestressed concrete wire and the concrete, providing superior bonding strength and structural stability.
This indented prestressed concrete wire is widely used to increase the load-bearing capacity and durability of reinforced concrete elements.
Advantages
Provides a strong mechanical interlock with concrete, improving structural performance and long-term durability.
Offers excellent bond strength between concrete and steel wire for better load transfer.
Ensures precise dimensional accuracy and a clean surface finish, enhancing bonding efficiency.
Available with various levels of tensile strength, corrosion resistance, and mechanical properties suitable for diverse environmental and structural conditions.
The indented wire for prestressed concrete is ideal for use in:
Precast concrete elements such as slabs, beams, and poles.
Bridges, buildings, and other load-bearing concrete structures require high bonding performance.
Civil engineering projects demand strong and durable prestressed reinforcement.
| INDENTED WIRE | ||||
| Nominal Dia.(mm) | Indent depth (mm) | Indent length (mm) | Pitch (mm) | Standards |
| ≤5.00 | 0.12±0.05 | 3.5±0.05 | 5.5±0.05 | GB/T5223, ASTMA421, BS5896，EN10138-2 |
| ≥5.00 | 0.15±0.05 | 5.0±0.05 | 8.0±0.05 | |
Standards of Steel Wire for Prestressed Concrete：
The current standards are GB/T5223-2014 " Prestressed concrete steel wire", according to ASTM A421 / A421M, ASTM A881/A881 M-2005, BS5896-2012, PrEN10138-2:2009, GOST 7348-81, TU U27.3-136-004-2003, DSTU ISO 6934-2, GOST 7348-81, DSTU ISO 6934 - 2, ABNT NBR 7482:2008, etc.
Applications for the Reinforcement of Concrete Constructions:
The application of steel wire for prestressed concrete consists of single-storey and multi-storey houses, highway and railway bridges, sleepers, electric poles, pressure water pipes, storage tanks, and water towers. Expand to modern high-rise buildings, underground buildings, high-rise structures, hydraulic buildings, marine structures, airport buildings(runways and terminal buildings), pressure vessels of nuclear power plants, etc Various industries, such as super-tall, super-span, super-volume,super-large area, and over-weight load, in various shapes and different functions of structural engineering.
Q: What is indented wire for prestressed concrete?
A: Indented wire for prestressed concrete is high-carbon steel wire with surface indentations, designed to improve bonding with concrete. It enhances structural strength and durability in reinforced concrete elements.
Q: What are the main advantages of using indented prestressed concrete wire?
A: It offers superior mechanical interlock, precise dimensional control, excellent bond strength, and varying levels of tensile strength and corrosion resistance to suit different structural and environmental requirements.
Q: Where is the indented wire for prestressed concrete used?
A: It is used in precast concrete elements, bridges, buildings, and other load-bearing concrete structures that require high-performance prestressed reinforcement.
Q: What are the available wire diameters and strengths?
A: Wire diameters range from 3.0 mm to 10.0 mm, and tensile strength ranges from 1470 MPa to 1860 MPa.
Q: What raw materials are used to produce prestressed concrete wire?
A: High-quality carbon steel wire rods (SWRH77B or SWRH82B) are used, with strict control over size, shape, chemical composition, and surface quality to ensure excellent performance in prestressed concrete applications.
