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Prestressed steel wire is a type of steel wire made from carbon steel wire and used in prestressed concrete structures or prestressed steel structures.
Cold-drawn prestressed steel wire is made from high-quality high-carbon steel wire rod after surface treatment. The carbon content of the steel is selected in the range of 0.6-0.9%. Before cold drawing, it undergoes pickling, phosphating, or other forms of surface treatment. After cold drawing, the cross-sectional area is generally reduced by 50-85%, and the strength is improved through the principle of cold work hardening.
Cold-drawn prestressed steel wire, after further stabilization, becomes low-relaxation prestressed steel wire, acquiring low-relaxation characteristics and significantly improving yield strength, elongation, and straightness. If galvanized, it becomes galvanized prestressed steel wire; galvanized wire that has undergone stabilization is called low-relaxation galvanized prestressed steel wire. The wire is generally delivered in coils; when used in railway sleepers, it can be cut to length and bundled as needed.
The high strength of this material is mainly manifested in the axial direction, with significantly lower radial strength. When heated to 400 degrees Celsius or higher, relaxation and strength properties will be significantly impaired. When cold-drawn prestressed steel wire is used in pipelines, its resistance to stress corrosion should be carefully checked. When using galvanized steel wire, its corrosion resistance should not be completely relied upon; the entire cable system should have other protective measures.
Cold-drawn prestressed steel wire is generally used in pipelines, especially those manufactured using the PCCP process. Low-relaxation prestressed steel wire is widely used in railway sleepers and prestressed concrete poles, and less frequently in building components; it is no longer used in precast beams. Low-relaxation galvanized prestressed steel wire is commonly used in the cables of cable-stayed bridges, tie rods of steel pipe arch bridges, and in the fabrication of prestressed cables for long-span structures. Unstabilized galvanized steel wire is generally used in the cables of suspension bridges.
| GB | ASTM | JIS | DIN | NF | BS | OCT | ISO | Description |
| 65 | 1065 | Ck67 | XC65 | 060A67 | 65 | TypeDC,SC | By diameter:4mm, 4.8mm, 5.0mm, 5.1mm, 6.0mm, 6.25mm, 7.0mm, 7.8mm, 8.0mm, 9.0mm, 9.5mm, 10.0mm, 11mm, 12mm, etc. | |
| 70 | 1070 | XC70 | 070A72 | 70 | TypeDC,SC | By strength grade: medium-strength prestressed steel wire (800-1200MPa); high-strength prestressed steel wire (1470MPa, 1570MPa, 1670MPa, 1770MPa, and 1860MPa, etc.) | ||
| 85 | 1086 | SUP3 | Ck85 | XC85 | 060A86 | 85 | TypeDC,SC | According to surface coating, prestressed steel wire can be classified as: uncoated prestressed steel wire, epoxy resin coated prestressed steel wire, and galvanized prestressed steel wire. |
| 65Mn | 1066 | 080A67 | 65Γ | According to surface morphology, prestressed steel wire can be classified as: plain round prestressed steel wire, spiral ribbed or helix grooved prestressed steel wire | ||||
| 55Si2Mn | 9255 | 54SiCr6 | 56Si7 | Z51A58 | 55C2 | 56SiCr7 | According to processing technology, prestressed steel wire can be classified as: cold-drawn prestressed steel wire and low-relaxation prestressed steel wire. |
Shandong Anli Metal Co., Ltd. is a leading comprehensive enterprise integrating various metal products. Our portfolio includes hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, steel sections, steel pipes, heat exchange pipes, automobile exhaust pipes, anchor rods, steel wires, and metal mesh. Additionally, we offer stainless steel, aluminum, copper, and metal raw materials such as billets, aluminum ingots, zinc ingots, magnesium ingots, and lead ingots.
With five production and sales bases strategically located in Binzhou, Liaocheng, Wuxi, Tianjin, Jinan, and Tai'an, we boast over 100 production lines. Our group company has imported the most advanced technology from Germany, Japan, Belgium, the United States, and the United Kingdom for iron-smelting and steel processing. Equipped with a complete automatic system, we have become one of the largest and most advanced professional manufacturers in China.
We possess four nationally recognized laboratories, two technical engineering centers, and five corporate technology centers, ensuring the highest quality standards. Our products are exported to more than 50 countries and regions worldwide, including North America, South America, Europe, the Middle East, Russia, Africa, and others.
Company Philosophy:
• Quality First: We adhere strictly to production standards during production and inspection.
• Price Advantage: We offer discounts based on real market prices.
• Transaction Security: Customer funds are always protected.
• After-Sales Guarantee: We treat customer problems as our own.
• Long-Term Cooperation: Our quality assurance, price advantage, and sincere service ensure lasting partnerships.
Shandong Anli Metal, with quality as the foundation and technology as the leader, sincerely invites friends from all walks of life to join us creating a brilliant chapter in the metal manufacturing industry!
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