2021 High quality Low Relaxation Seven-Wire Strand For Prestressed Concrete - PC Spiral Rib Wire – Silvery Dragon
2021 High quality Low Relaxation Seven-Wire Strand For Prestressed Concrete - PC Spiral Rib Wire – Silvery Dragon Detail:
Spiral rib wire is invented by Silvery Dragon, representing China’s advanced R&D achievements; it services in China and dedicates to world. The product is characteristic of 3 to 6 spiral ribs through spiral deforming drawing on the surface of wire, increasing the bond ability with concrete, thus improving the overall performance of pre-stressed concrete products and increasing the service life. Silvery Dragon holds the advanced product technology of uniform spiral drawing, internal stress relief and anti-corrosion which meets Germany, USA, France and other international anti-corrosion requirements.
Spiral rib wire is produced by the selected high quality carbon wire rod and refined by strict surface treatment, multi-times drawing and stabilization processing automatic production line. The products range from φ3.8 to 12.0mm in various specifications and different strength levels for customers’ choice. It is especially suitable for the production of railway sleeper, electrical pole, roof board, beam body, etc.
When the spiral rib wire was introduced to the international markets firstly, there was no specification for this kind of wire among all the international standards. Normally, the technical specifications as for the tensile strength, yield strength, corrosion, relaxation confirmed to standards recognized by the customers; and the wire surface shape confirmed to Chinese standard GB/T5223. Now more and more foreign customers adopt directly GB/T5223.
“Based on domestic market and expand overseas business” is our development strategy for OEM China China ASTM A648 Cold Drawn Smooth PC Wire for Prestressed Concrete Pipe, Our items are regularly supplied to lots of Groups and lots of Factories. Meanwhile, our products are sold to the USA, Italy, Singapore, Malaysia, Russia, Poland, plus the Middle East.
OEM China China Steel Wire, PC Wire, The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our solutions have been exported to more than 15 countries in the world and have been widely used by customers.
Key parameters & reference standards
| Appearance | Nominal Dia.(mm) | Tensile Strength(MPa) | Relaxation(1000h) | Standards |
| Spiral ribs | 3.8, 4.0, 5.0, 6.0, 6.25, 7.0, 7.5, 8.0, 9.0, 9.4, 9.5, 10.0, 10.5, 12.0 | 1470,1570,1670,1770,1860 | Normal relaxation≤8% Low relaxation≤2.5% | GB/T5223, BS5896, JISG3536, EN10138 |
| 5.03, 5.32,5.5 | 1570,1700,1770 | ASTMA881, AS/NZS4672.1 | ||
| 4.88, 4.98, 6.35, 7.01 | 1620,1655,1725 | ASTMA421 |
Product detail pictures:

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We offer fantastic strength in high quality and enhancement,merchandising,income and marketing and procedure for 2021 High quality Low Relaxation Seven-Wire Strand For Prestressed Concrete - PC Spiral Rib Wire – Silvery Dragon, The product will supply to all over the world, such as: America, kazan, Nepal, Qualified R&D engineer might be there for your consultation service and we will try our best to meet your requirements. So you should feel free to contact us for inquiries. You'll be able to send us emails or call us for small business. Also you are able to come to our business by yourself to get further knowing of us. And we are going to surely present you with the best quotation and after-sale service. We're ready to build stable and friendly relations with our merchants. To achieve mutual success, we'll make our best efforts to build a solid co-operation and transparent communication work with our companions. Above all, we're here to welcome your inquiries for any of our merchandise and service.
Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!




