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PC Steel Strand (Prestressed Concrete Strand) is a type of steel product designed for high-strength applications. It consists of a bundle of steel wires, often coated with various protective layers to enhance its durability and performance.
| Standard | ASTM / JIS / DIN / GB / EN |
| Grade | - USA (ASTM): ASTM A416 Gr.270, ASTM A722 Gr.270 |
| - China (GB): GB/T 5224 1×7 Structure (1860MPa/1770MPa/1570MPa) | |
| - Japan (JIS): JIS G3536 (1860MPa Class) | |
| - Germany (DIN): DIN EN 10138-3 (1860MPa) | |
| - EU (EN): EN 10138-3 (1770MPa/1860MPa) | |
| Material | Low Alloy Steel: High Strength Low Alloy Steel (SWRH82B, SWRH92B, SWRH102B), PC Steel Strand Special Alloy Steel |
| Sizes | Diameter: 9.5-17.8mm |
| Structure: 1×7 (7-Wire Strand) |
Provides the core reinforcing tension for pre-stressed concrete.
Maintains long-term structural integrity with minimal force loss.
PC (Prestressed Concrete) Steel Strand is a high-strength steel cable widely used in construction and infrastructure projects, and it offers several key advantages that make it indispensable in modern engineering. One of its most significant benefits is its exceptional tensile strength and load-bearing capacity. Manufactured by twisting multiple high-carbon steel wires together, PC strands can sustain immense tension without breaking or deforming. This makes them ideal for reinforcing concrete in bridges, highways, buildings, and other large-scale structures that demand superior structural integrity and long-term stability.
Another major advantage of steel strand for prestressed concrete is its excellent stress distribution and crack resistance. The strand applies a compressive force that counteracts the tensile stress caused by external loads. This greatly reduces the risk of cracking in concrete, leading to stronger, more durable structures. The result? Extended service life and reduced maintenance costs — a critical factor in infrastructure projects where reliability and safety are top priorities.
PC Steel Strand also boast outstanding versatility and adaptability. They come in various sizes and surface treatments (such as plain, indented, or galvanized), allowing engineers to choose the most suitable type for specific applications. Whether used in precast concrete elements, post-tensioned slabs, or suspension bridges, PC strands can easily be customized to meet design and performance requirements. Their consistent mechanical properties also make them reliable and predictable during installation and tensioning.
Finally, prestressed concrete steel strand offer excellent economic and long-term performance benefits. Their high strength-to-weight ratio allows for the use of less material while achieving greater load capacity, resulting in cost savings in both materials and construction time. Additionally, their resistance to corrosion and fatigue ensures that structures remain safe and efficient over decades of use. In short, PC Steel Strand combines strength, durability, and efficiency — making it the backbone of modern prestressed concrete construction.
1. Pre-stressed Concrete: Bridges, high-rise buildings, and railway sleepers.
2. Geotechnical Engineering: Slope stabilization and foundation anchoring.
