 |
| Quantity: | |
|---|---|
Specifications Introductions:
It is made of high carbon steel with a specific diameter and tensile strength.Using a cold-drawing process, which results in a smooth surface with indentations formed by a separate indenting process. PC wire of Indented/Serrated PC wire which is a type of prestressed concrete steel wire that is produced with indentations type on surface in order to enhance the bond between steel wire and the constructions concrete, to increase the holding force between the the concrete and steel wire and to strengthen concrete structures.
Advantageous:
With mechanical interlock with the concrete, enhancing the structural performance and durability of the reinforced concrete elements.
With good bond properties for the structures where enhanced.
With precise dimensional control and a high-degree surface cleanliness, while the indentations guarantee the excellent bond properties with concrete.
With varying levels of bond strength, mechanical properties and corrosion resistance in order to select the best solution for environmental conditions and specific structural requirements.
Raw Material Requirements:
The main raw materials for prestressed concrete are High quality carbon steel wire rods of SWRH77B or SWRH82B , the main requirements for the wire rods are: size, shape, weight and allowable deviation, grade and chemical composition, smelting method, delivery state, mechanical properties, decarbonization layer, micro-structure, surface quality and special requirements, etc.
Cooling is controlled by Sterem technology which is used to achieve over 85% Sotenization rate . Generally, the coil produced according to the normal process can meet the production requirements of prestressed concrete steel wire and steel strand.
Ranges of Wire Diameter:
3,0 mm - 10,0 mm.
Ranges of Strength:
1470MPa - 1860MPa
Key Parameters& Reference Standards：
| 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/A881M -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, under-ground 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.
Specifications Introductions:
It is made of high carbon steel with a specific diameter and tensile strength.Using a cold-drawing process, which results in a smooth surface with indentations formed by a separate indenting process. PC wire of Indented/Serrated PC wire which is a type of prestressed concrete steel wire that is produced with indentations type on surface in order to enhance the bond between steel wire and the constructions concrete, to increase the holding force between the the concrete and steel wire and to strengthen concrete structures.
Advantageous:
With mechanical interlock with the concrete, enhancing the structural performance and durability of the reinforced concrete elements.
With good bond properties for the structures where enhanced.
With precise dimensional control and a high-degree surface cleanliness, while the indentations guarantee the excellent bond properties with concrete.
With varying levels of bond strength, mechanical properties and corrosion resistance in order to select the best solution for environmental conditions and specific structural requirements.
Raw Material Requirements:
The main raw materials for prestressed concrete are High quality carbon steel wire rods of SWRH77B or SWRH82B , the main requirements for the wire rods are: size, shape, weight and allowable deviation, grade and chemical composition, smelting method, delivery state, mechanical properties, decarbonization layer, micro-structure, surface quality and special requirements, etc.
Cooling is controlled by Sterem technology which is used to achieve over 85% Sotenization rate . Generally, the coil produced according to the normal process can meet the production requirements of prestressed concrete steel wire and steel strand.
Ranges of Wire Diameter:
3,0 mm - 10,0 mm.
Ranges of Strength:
1470MPa - 1860MPa
Key Parameters& Reference Standards：
| 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/A881M -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, under-ground 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.
