High reputation Seven Wire Prestressed Concrete Strand - PC Spiral Rib Wire – Silvery Dragon
High reputation Seven Wire Prestressed Concrete Strand - 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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Our target should be to consolidate and enhance the top quality and service of current goods, in the meantime frequently create new products to satisfy diverse customers' calls for for High reputation Seven Wire Prestressed Concrete Strand - PC Spiral Rib Wire – Silvery Dragon, The product will supply to all over the world, such as: Czech republic, moldova, azerbaijan, To win customers' confidence, Best Source has set up a strong sales and after-sales team to deliver the best product and service. Best Source abides by the idea of "Grow with customer" and philosophy of "Customer-oriented" to achieve cooperation of mutual trust and benefit. Best Source will always stand ready to cooperate with you. Let's grow together!
With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.



