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High-Strength Precision Wire Rods: Top China Suppliers & Factory for Industrial Applications
Super High-Rise Building Structural Support Wire Rods
Low-Carbon Wire Rods (Q195/Q235)
- Chemical Composition: C ≤ 0.12% (Q195) / 0.14–0.22% (Q235), Mn 0.25–0.80%
- Mechanical Properties: Yield strength ≥195–235 MPa, tensile strength 315–500 MPa, elongation ≥26–33%
- Applications: Processed via cold drawing or rib rolling into rebar and welding electrodes, widely used for concrete reinforcement in skyscrapers and bridges.
SWRH82B Prestressed Wire Rods
- Element Content: C 0.80–0.85%, Mn 0.60–0.90%, Cr ≤0.25%
- Strength Metrics: Tensile strength ≥1320 MPa, yield strength ≥1180 MPa, elongation ≥8%
- Applications: Meet load-bearing and seismic resistance requirements for large-scale infrastructure projects.
Precision-Forming Industrial Base Materials
SWRH72A High-Carbon Steel Wire Rods
- Chemical Composition: C 0.70–0.75%, Si 0.15–0.35%, Mn 0.50–0.80%
- Mechanical Parameters: Tensile strength ≥1200 MPa, yield strength ≥900 MPa, reduction of area ≥40%
- Applications: Used in steel wire ropes, automotive suspension springs, and radial tire cord production.
SAE1008 Cold-Heading Steel Wire Rods
- Element Control: C 0.06–0.10%, Mn 0.30–0.50%, P/S ≤0.030%
- Ductility Metrics: Elongation ≥30%, reduction of area ≥65%
- Processing Features: High-precision cold heading for manufacturing high-strength bolts, bearings, and hardware components, serving automotive and home appliance supply chains.
Special Alloy Wire Rods for Extreme Conditions
30 CrMo Alloy Wire Rods
- Alloy Composition: C 0.26–0.34%, Cr 0.80–1.10%, Mo 0.15–0.25%
- High-Temperature Performance: Yield strength ≥550 MPa at 550°C, tensile strength ≥930 MPa at room temperature
- Applications: Corrosion and heat resistance for oil drilling wires, wind turbine tower anchor bolts, and aerospace fasteners.
BZn18-18 Galvanized Wire Rods
- Base Material: C ≤0.08%, Cu 0.25–0.40%, Zn 18–20%
- Coating Parameters: Galfan® alloy coating (Zn-5%Al-RE), adhesion weight 200–300 g/m²
- Conductivity: Applied in power grid cables and protective fencing for outdoor environments.
Frequently Asked Questions
What are the primary applications for Low-Carbon Wire Rods (Q195/Q235)?
Low-Carbon Wire Rods (Q195/Q235) are widely processed via cold drawing or rib rolling into rebar and welding electrodes. They are extensively used for concrete reinforcement in skyscrapers, bridges, and other civil engineering projects.
Why are SWRH82B wire rods preferred for large-scale infrastructure?
SWRH82B Prestressed Wire Rods offer exceptional strength metrics, featuring a tensile strength of ≥1320 MPa and a yield strength of ≥1180 MPa. This high load-bearing capacity and seismic resistance make them ideal for demanding infrastructure projects.
What makes SAE1008 wire rods suitable for cold-heading applications?
SAE1008 Cold-Heading Steel Wire Rods feature excellent ductility metrics, including an elongation of ≥30% and a reduction of area of ≥65%. This high formability supports high-precision cold heading for manufacturing bolts, bearings, and hardware components.
How does the 30 CrMo Alloy Wire Rod perform under extreme conditions?
30 CrMo Alloy Wire Rods offer superior corrosion and high-temperature resistance. They maintain a yield strength of ≥550 MPa even at 550°C and a tensile strength of ≥930 MPa at room temperature, making them suitable for oil drilling, wind turbines, and aerospace fasteners.
What are the benefits of the Galfan® coating on BZn18-18 Galvanized Wire Rods?
The Galfan® alloy coating (Zn-5%Al-RE) on BZn18-18 wire rods provides an adhesion weight of 200–300 g/m². This ensures advanced corrosion resistance and conductivity, making it ideal for power grid cables and outdoor protective fencing.
Which standards should be prioritized when selecting wire rod materials?
Material selection must comply with recognized international standards such as ASTM, GB/T, and JIS. Key evaluation factors include carbon content, elongation properties, and strict surface defect control to ensure downstream processing efficiency.