List of Top 10 Low Relaxation steel strand Brands Popular in European and American Countries

December 31, 2025

Low Relaxation steel strand is a high-strength Prestressed Steel product used in construction for bridges, buildings, and dams. It exhibits minimal stress loss over time, ensuring long-term structural integrity. Manufactured from high-carbon steel, it undergoes special heat treatment to enhance durability and performance. Commonly available in 7-wire configurations (e.g., 15.2mm diameter), it meets international standards like ASTM A416 and ISO 6063. Widely used in post-tensioning systems, it improves load-bearing capacity and reduces cracking, making it essential in modern infrastructure projects.

Dywidag
VSL International
Cemex
Hilti
Tianjin Chunpeng Group
Magnelis
Bekaert
Sika
Fives Group
Strandco
Gerdau

Dywidag

Establishment time : Dywidag was established in 1954.

website : https://www.dywidag.com

Main Product : Main products include high-strength bolts, anchor rods, and prestressing systems for construction.

Company Profile

Dywidag is a globally recognized leader in high-strength structural fastening systems, specializing in advanced solutions for bridges, buildings, and infrastructure projects, with a legacy of engineering excellence since 1954.

VSL International

Establishment time : VSL International was established on January 1, 1985.

website : https://www.vslinternational.com

Main Product : Main products include high-performance concrete additives, grouting materials, and structural strengthening systems.

Company Profile

VSL International is a globally recognized leader in advanced construction solutions, specializing in innovative materials and technologies for infrastructure projects such as bridges, tunnels, and buildings, with a strong commitment to sustainability and engineering excellence.

Cemex

Establishment time : Cemex was established on April 2, 1906.

website : https://www.cemex.com

Main Product : Main products include cement, ready-mix concrete, aggregates, and construction solutions.

Company Profile

Cemex is a global building materials company headquartered in Monterrey, Mexico, dedicated to delivering sustainable construction solutions through innovation, operational excellence, and a strong focus on environmental and social responsibility.

Hilti

Establishment time : Hilti was established in 1941.

website : https://www.hilti.com

Main Product : Main products include construction tools, fasteners, anchoring systems, and power tools.

Company Profile

Hilti is a global leader in innovative solutions for the construction industry, founded in 1941 in Schaan, Liechtenstein, with a focus on research, development, and sustainable growth.

Tianjin Chunpeng Group

Establishment time : 1994

website : www.cpsteelimpex.com

Main Product : pc steel strand,PC Steel Wire,Photovoltaic Mounting System,Unbonded PC Strand,PC Steel Strand Professional Manufacturer,PC strand Anchorage System

Company Profile

Chunpeng Group was founded in 1994. Its headquarters is located in Daqiuzhuang Industrial Zone, Jinghai District, Tianjin. Its industries are distributed in Tianjin, Chongqing, and Yunnan Province. The total registered capital is 315 million. It is a joint-stock enterprise specializing in the production of prestressed concrete steel strands, mining anchor cable steel strands, unbonded steel strands, galvanized steel strands, photovoltaic brackets and accessories. Its products are widely used in railway and highway bridges, coal mine tunnel support, water conservancy and hydropower station construction, geotechnical anchoring engineering, high-rise buildings, stadium construction, nuclear power plants, LNG gas storage fields, new energy photovoltaic power generation, wind power generation and other important areas of national economic construction.

Stable quality:

We have a strong quality management team, and our chief engineer enjoys the honor of "Special Allowance of the State Council". In addition, we have accumulated 30 years of production management experience, which makes our products have excellent performance and reliable quality. We implement ISO9001 quality management system standards, and all process links are fully controlled and inspected, making the qualified rate of factory products 100%.

Adequate production capacity:

The Group has 7 production bases across the country (4 in Tianjin, 2 in Chongqing, and 1 in Yunnan), with a total steel strand production capacity of 700,000 tons/year, which can fully meet the supply requirements of various construction projects.

Advanced technology: The company provides two production processes, "acid-free process" and "acid-free process" to meet the needs of different customers. The "acid-free process" was developed by Chunpeng. This process reduces the consumption of 64kg of clean water, 5.5kg of gas, 6kg of hazardous waste - waste acid and the amount of waste gas generated by each product in the traditional pickling process to 0! It achieves green and low-carbon operation.

Complete specifications:

Product structure: 1*3, 1×7, 1×19. Diameter range: φ6~32, covering a wide range of domestic and international needs, and can be customized according to customer's personalized requirements. It can also produce unbonded steel strands, slow-bonded steel strands, anti-corrosion and weather-resistant steel strands, galvanized steel strands and other derivative products.

Magnelis

Establishment time : Magnelis was established in 2005.

website : www.magnelis.com

Main Product : Main products include magnesium alloys, die-cast components, and precision machined parts for automotive and electronics industries.

Company Profile

Magnelis is a leading manufacturer specializing in high-performance magnesium alloy solutions, focusing on lightweight materials for advanced industrial applications with a strong commitment to R&D and environmental sustainability.

Bekaert

Establishment time : Bekaert was established in 1880.

website : https://www.bekaert.com

Main Product : Main products include steel wire, steel cord, fiber optics, and advanced materials for tires, construction, and industrial applications.

Company Profile

Bekaert is a global leader in advanced materials and surface technologies, specializing in high-performance steel wire, steel cord, and optical fibers, serving industries such as automotive, construction, and telecommunications. Founded in Belgium, it operates in over 30 countries with a strong focus on sustainability and technological advancement.

Sika

Establishment time : 1912

website : https://www.sika.com

Main Product : Construction chemicals, sealants, adhesives, coatings, and specialty materials for building and infrastructure

Company Profile

Sika is a leading global supplier of specialized chemicals for the construction and industrial sectors, focusing on high-performance solutions for durability, safety, and sustainability in buildings, bridges, roads, and other infrastructure projects.

Fives Group

Establishment time : The Fives Group was established in 1823.

website : https://www.fives.com

Main Product : Main products include industrial machinery, metal forming equipment, and automation solutions.

Company Profile

Fives Group is a French multinational engineering company specializing in the design and manufacturing of heavy machinery and industrial equipment for sectors including metals, aerospace, energy, and transportation.

Strandco

Establishment time : Strandco was established in 1984.

website : www.strandco.com

Main Product : Main products include wire and cable, electrical connectors, and custom wiring solutions.

Company Profile

Strandco is a leading provider of engineered wiring solutions, specializing in high-reliability interconnect systems for industrial, commercial, and aerospace applications, with a focus on innovation, quality, and customer collaboration.

Gerdau

Establishment time : Gerdau was established in 1925.

website : www.gerdau.com

Main Product : Main products include steel, recycled steel, and metal products such as wire rods, bars, and structural sections.

Company Profile

Gerdau is a leading steel producer in Latin America and one of the largest in the world, known for its focus on sustainability, recycling, and integrated steel production.

Author:

Ms. Lingyun

E-mail:

chinastrand@gmail.com

Phone/WhatsApp:

+1 6263458595