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China High-Strength Precision Wire Rods: Top Suppliers and Factory Solutions 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.
Process Advantages and Material Selection Guidelines
Advanced high-speed rolling and controlled cooling technologies ensure dimensional precision (±0.1 mm) and microstructural homogeneity, supporting downstream processes like drawing and heat treatment. Material selection must comply with industry standards (ASTM, GB/T, JIS), prioritizing carbon content, elongation, and surface defect control.
As a global wire rod supplier, we deliver full-range solutions for steel strands, cold-headed standard parts, and special alloy wire materials, empowering clients to reduce costs and enhance efficiency. Contact us now for customized product catalogs and technical support!
Frequently Asked Questions
Q1
What are the typical applications of Q195 and Q235 low-carbon wire rods?
They are processed via cold drawing or rib rolling into rebar and welding electrodes, and are widely used for concrete reinforcement in skyscrapers and bridges.
Q2
What mechanical strength do SWRH82B prestressed wire rods offer?
SWRH82B wire rods offer high strength with a tensile strength ≥1320 MPa, yield strength ≥1180 MPa, and elongation ≥8%, designed to meet load-bearing and seismic resistance demands in large-scale infrastructure.
Q3
What are the key processing advantages of SAE1008 cold-heading wire rods?
SAE1008 features high ductility (elongation ≥30%, reduction of area ≥65%) and element control, allowing high-precision cold heading to manufacture high-strength bolts, bearings, and hardware components for automotive and home appliance industries.
Q4
How does 30 CrMo alloy wire rod perform under extreme temperature conditions?
30 CrMo alloy wire rods maintain a yield strength ≥550 MPa even at 550°C (with room temperature tensile strength ≥930 MPa), providing excellent corrosion and heat resistance for oil drilling wires, wind turbine anchor bolts, and aerospace fasteners.
Q5
What coating is used for BZn18-18 galvanized wire rods?
They utilize a Galfan® alloy coating (Zn-5%Al-RE) with an adhesion weight of 200–300 g/m², ensuring high outdoor corrosion resistance and conductivity for power grid cables and protective fencing.
Q6
What international standards and tolerances do these wire rods follow?
Material selection complies with ASTM, GB/T, and JIS industry standards, featuring advanced high-speed rolling and controlled cooling that ensures dimensional precision (±0.1 mm) and microstructural homogeneity.