Prestressed concrete structures require reinforcement materials that can withstand high tension while maintaining stable performance throughout their service life. Unlike conventional reinforcement steel, prestressed steel wire works under continuous stress conditions, making material consistency and relaxation control critical factors.
82B steel wire is widely selected for prestressing applications because its high-carbon composition provides suitable strength after cold working. The internal fine pearlite and sorbite structure of SWRH82B wire rod contributes to good drawability, allowing manufacturers to achieve high tensile strength while maintaining the ductility required for practical installation and structural safety.
For precast concrete producers, a suitable prestressed steel wire should provide:
● Consistent mechanical properties across production batches
● Stable performance during tensioning operations
● Reliable stress retention after installation
● Adaptability to different concrete component designs
Luguan focuses on maintaining these characteristics through controlled raw material selection and production management.
82B Prestressed Concrete Steel Wire can be supplied in different surface configurations to meet various engineering requirements. The selection depends on the bonding conditions, production process, and structural design of the concrete component.
Smooth wire is commonly used in applications where controlled tensioning and standard prestressing methods are required.
Its characteristics include:
● Uniform surface condition
● Stable processing performance
● Suitable compatibility with established production systems
It is often applied in conventional prestressed concrete components where specific surface anchorage structures are not required.
The spiral ribbed surface enhances the interaction between steel wire and concrete through mechanical engagement.
Compared with plain wire, the ribbed structure provides:
● Increased contact area with concrete
● Improved stress transfer efficiency
● Enhanced resistance against displacement
This type is suitable for concrete components where stronger steel-concrete interaction is required.
Indented wire features specially formed surface patterns that improve the bonding interface between reinforcement and concrete.
It is suitable for applications requiring:
● Improved anchorage performance
● Better force transfer efficiency
● Enhanced connection between steel and concrete
Luguan can provide different surface options according to project standards and customer requirements.
82B Prestressed Concrete Steel Wire is available in common tensile strength grades of 1570MPa, 1670MPa, and 1860MPa.
The high-strength capability allows engineers to design concrete components with efficient reinforcement structures while meeting demanding load requirements.
Prestressed structures depend on the ability of steel wire to maintain effective tension over time.
Through stress-relieving tempering after cold drawing, Luguan 82B steel wire achieves improved stress stability. The 1000-hour relaxation performance can reach ≤2.5%, helping reduce prestress loss and maintain structural reliability.
During prestressing operations, predictable elastic behavior is essential for accurate force application.
Stable elastic modulus helps manufacturers achieve consistent tension control during the production of precast concrete elements.
Infrastructure components such as railway sleepers and bridge elements are exposed to repeated mechanical stress.
The combination of SWRH82B steel composition and controlled processing provides reliable fatigue performance for long-term applications.
For prestressed concrete manufacturers, product consistency is often more important than a single test value. Luguan manages key production stages to maintain stable performance between different batches.
SWRH82B high-carbon steel wire rod is inspected before production to verify chemical composition, surface condition, and material suitability.
Multi-pass cold drawing is carried out under controlled conditions to improve strength while maintaining accurate wire dimensions.
Heat treatment is applied after cold working to reduce internal stress and improve long-term stability.
Before shipment, finished wire is inspected for mechanical properties, dimensional accuracy, surface quality, and packaging condition.
This production approach helps customers achieve predictable performance in continuous precast concrete manufacturing.
Different projects require different wire grades and dimensions. Luguan supplies multiple specifications to match various prestressed concrete applications.
|
Item |
Specification |
|
Product Name |
82B Prestressed Concrete Steel Wire |
|
Material Grade |
SWRH82B High Carbon Steel |
|
Surface Type |
Smooth / Spiral Ribbed / Indented |
|
Diameter Range |
Φ4.0mm, Φ4.8mm, Φ5.0mm, Φ6.0mm, Φ7.0mm, Φ8.0mm |
|
Tensile Strength Grade |
1570MPa / 1670MPa / 1860MPa |
|
Relaxation Performance |
≤2.5% (1000 hours) |
|
Standard |
GB/T 5223 Steel Wires for Prestressed Concrete |
|
Supply Form |
Coil |
|
Customization |
Diameter, surface type, packaging available |
Railway sleepers require reinforcement materials capable of handling repeated vibration and dynamic loads.
82B Prestressed Concrete Steel Wire provides stable tensile performance and fatigue resistance for long-term railway applications.
Foundation systems require high-strength reinforcement capable of maintaining prestress under heavy loads.
The strength and stability of 82B steel wire support reliable performance in PHC pile manufacturing.
Prestressed concrete cylinder pipes operate under continuous pressure conditions.
Low relaxation characteristics help maintain reinforcement effectiveness and support long-term structural durability.
Bridge elements require consistent reinforcement quality due to their importance in infrastructure systems.
82B prestressed steel wire provides reliable mechanical performance for beams, panels, and other precast components.
Industrialized construction requires reinforcement materials that support efficient production and stable quality.
The dimensional accuracy and consistent performance of Luguan wire make it suitable for various prefabricated concrete systems.
International buyers often require complete technical information before placing orders. Luguan provides supporting documentation to help customers verify product performance and manage project requirements.
Available documents include:
● Mill Test Certificate (MTC)
● Chemical Composition Report
● Mechanical Test Report
● Product Specification Sheet
● Packing Information
For different market requirements, Luguan can coordinate product specifications, packaging methods, and shipment arrangements.
Luguan Xingsheng New Material Technology specializes in steel wire production and processing, focusing on prestressed steel wire and other industrial steel wire products.
The company manufactures and supplies:
● 45#–70# carbon steel wire
● 65Mn spring steel wire
● Mattress steel wire
● 77B–82B prestressed steel wire
● 30MnSi screen mesh steel wire
● Q195 and Q235 cold-drawn wire
With dedicated experience in steel wire manufacturing, Luguan emphasizes stable material selection, controlled production processes, and consistent product quality to support customers in construction, infrastructure, and industrial applications.
82B Prestressed Concrete Steel Wire is mainly used for manufacturing prestressed concrete components such as railway sleepers, PHC pipe piles, PCCP pipes, bridge elements, roof slabs, and precast wall panels.
SWRH82B high-carbon steel provides good drawability and strength characteristics, allowing the finished wire to achieve high tensile performance and stable mechanical properties.
Common strength grades include 1570MPa, 1670MPa, and 1860MPa according to application requirements.
Luguan supplies smooth, spiral ribbed, and indented surface types for different concrete reinforcement requirements.
Low relaxation helps reduce prestress loss during long-term service, allowing concrete components to maintain stable structural performance.
Yes. Luguan supports customized diameter, surface type, packaging method, and technical documentation according to customer project requirements.
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Hongyun Economic & Technological Development Zone, Qingyun Hongyun Economic Development Zone, Qingyun County, Dezhou City, Shandong Province, China
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