Retard-bonded prestressing steel strand 1770-6.2

Retard-bonded PC Strand is a specialized pre-stressing steel strand designed for high-performance concrete applications. This product, also known as PC Strand retard bonded 1770 6 2 or prestressing steel strand 1770 6 2, offers superior strength and durability, making it ideal for use in construction projects where structural integrity and long-term performance are critical. The term "retard bonded" refers to the special coating applied to the steel strand, which delays the bonding process with the surrounding concrete, allowing for controlled stress transfer and improved load distribution over time.

The key features of Retard-bonded PC Strand include its high tensile strength, typically rated at 1770 MPa, and its standard dimensions of 6 mm diameter with 2 wires. These specifications make it suitable for a wide range of structural applications, from bridge construction to high-rise buildings. The product is manufactured using advanced cold-drawing techniques, ensuring uniformity in size and shape, while maintaining excellent mechanical properties. Additionally, the retard-bonded coating provides enhanced corrosion resistance, extending the service life of the structure it supports.

When compared to conventional prestressing steel strands, Retard-bonded PC Strand offers unique advantages that make it a preferred choice in modern construction practices. Its ability to delay bond formation allows for more precise control over the pre-stressing process, reducing the risk of premature cracking and improving overall structural performance. This makes it particularly useful in post-tensioning systems, where the strand is tensioned after the concrete has hardened, providing additional strength and stability to the structure.

Chunpeng Group is a leading and professional manufacturer of prestressed concrete (PC) steel materials, with over 30 years of industry experience.

We are committed to delivering high-quality products and innovative solutions for infrastructure and construction projects worldwide.

Our core products are  pc steel strand  (Ultra High Tensile Strength PC Strand, Normal Tensile Strength PC Strand), Unbounded PC Strand, Galvanized PC Steel Strand, Weather-Resistant & Anti-Corrosion PC Strand, and  PC Steel Wire . 

In addition to our PC strand products, we also supply  Prestressed Anchorage Systems and Photovoltaic Mounting Systems. 

Our products are as follows:

l Prestressed Steel Material include ultra high tensile strength PC Strand, Normal Tensile Strength PC Strand, Unbonded PC Strand , Epoxy Coated PC Strand , PC Steel Wire, Galvanized PC Steel Strand.

l Accessories Of PC Strand include Prestressed Anchorage, Prestressed Bellows , Aanchor Bearing Plate

l Prestressed Cable Photovoltaic Mounting System

l Photovoltaic Mounting System

  Our Prestressed Concrete Steel Strand is widely used in bridges, highways, railways, high-rise buildings, and energy infrastructure projects. All products are manufactured in compliance with international standards such as ASTM, BS, EN, AS/NZS, and GB, ensuring excellent performance, durability, and reliability for global construction needs.