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Help CenterSteel Wire & Nail Making Steel Wire，Q195、Q235、45#、55#、60#、65#、70#、72A、82B、SWRH62A、SWRH72A、SWRH82B
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1. Product Overview
Steel wire is cold-drawn metal wire manufactured through multiple processes including pickling, phosphating, wire drawing, annealing, finishing and surface treatment of wire rods. It serves as a general basic industrial material and structural component. Featuring high strength, excellent toughness, good flexibility, superior plasticity, easy weldability, convenient bending and corrosion resistance, steel wire can be further processed into thousands of derivative products such as binding wire, woven mesh, springs, nails, prestressed components, cable cores and industrial fittings.
Our steel wire series covers low-carbon, medium-carbon, high-carbon, alloy, galvanized and PVC coated grades. Widely applied in construction, general industry, municipal engineering, transportation, agriculture, animal husbandry, hardware manufacturing and other sectors, it is the metal wire material with largest consumption, universal applicability and outstanding cost performance in industrial production and infrastructure projects.
2. Executive Standards & Material Grades
Executive Standards
GB/T 343-2012 Low Carbon Steel Wires for General PurposesGB/T 4357-2019 Carbon Spring Steel Wires
Main Material Grades
Q195 Low Carbon Steel WireIt boasts excellent plasticity and toughness, easy bending and low fracture risk. Suitable for general binding, weaving, mesh fabrication and nail production. It achieves the best cost performance and enjoys the largest market demand.
Q235 High-quality Low Carbon Steel WireWith purer material, uniform strength and low brittleness, it is applicable for precision weaving, steel bar binding in construction, engineering fixing and deep-processed products.
65# / 70# / 72A / 82B High Carbon Steel WireIt features high tensile strength, superior elasticity and great fatigue resistance after quenching and tempering treatment. Specially used for springs, prestressed steel wires, steel strands, tire steel wires, rubber hose steel wires and other high-precision & high-strength applications.
65Mn Alloy Steel WireIt has enhanced toughness, excellent wear resistance, fatigue resistance and stable resilience, suitable for industrial springs, circlips and mechanical elastic components.
3. Product Classification & Characteristics
3.1 Black Annealed Steel Wire
Treated by low-temperature softening annealing, it is soft, highly tough and free of brittleness with low resilience.Advantages: Easy binding, low breakage rate and favorable priceApplications: Binding of reinforcing steel bars, packing on construction sites, general bundling and craft weaving
3.2 Hot-dip Galvanized Steel Wire
Produced by high-temperature hot-dip galvanizing process with thick zinc coating, strong adhesion, outstanding oxidation and corrosion resistance.It features long anti-rust service life, ideal for outdoor, open-air, waterfront and humid environments to avoid rusting and wire breakage.
3.3 Electro-galvanized Steel Wire (Cold Galvanized)
Smooth and bright surface with uniform coating and attractive appearance, suitable for fine weaving, wire mesh products and craft processing.
3.4 High Carbon Spring Steel Wire
High tensile strength, stable elasticity, great resistance to repeated fatigue and deformation.Used for mechanical springs, hardware springs, elastic fittings and precision industrial components.
3.5 Prestressed Steel Wire
Ultra-high tensile strength, good straightness and stable stress performance, applied in bridges, sleepers and large-scale prestressed concrete projects.
3.6 PVC Coated Steel Wire
Composed of steel wire core and outer anti-corrosion plastic layer, it resists acid, alkali, moisture and aging with dual waterproof and anti-rust protection.
4. Complete Specifications & Dimensions
Common Wire Diameter Range
0.3mm, 0.5mm, 0.7mm, 0.8mm, 1.0mm, 1.2mm, 1.4mm, 1.6mm, 1.8mm, 2.0mm, 2.2mm, 2.5mm, 2.8mm, 3.0mm, 3.5mm, 4.0mm, 5.0mm, 6.0mm
Fine Steel Wire (0.3–1.0mm)
For woven mesh, filter screen, handicrafts and precision hardware.
Medium-fine Steel Wire (1.0–2.5mm)
For construction binding wire, gardening bundling and general packing.
Medium-coarse Steel Wire (2.5–4.0mm)
For fence weaving, protective netting, greenhouse frame and traction fixing.
Coarse Steel Wire (4.0–6.0mm)
Raw material for springs, prestressed components, mechanical fittings and heavy-duty weaving.
Supply Forms
Large coil, small coil, straightened cut wire, binding cut wire and U-shaped cut wire.Custom services available: fixed-length cutting, straightening, bending, special forming, customized wire diameter and coil weight.
5. Production Process & Quality Control
High-quality hot-rolled wire rods are adopted as raw materials. The whole production flow includes oxidation removal by pickling, phosphating lubrication, multi-pass precision wire drawing, gradual diameter reduction forming, low-temperature softening annealing, surface finishing and coating treatment.
Low carbon steel wire undergoes softening annealing to eliminate internal stress, achieving uniform texture, soft property and resistance to cracking after bending.High carbon steel wire adopts lead patenting quenching and tempering to obtain stable metallographic structure, uniform elasticity, great fatigue resistance and low relaxation.For galvanized steel wire, hot-dip penetration ensures metallurgical combination between zinc layer and steel substrate to prevent coating peeling and guarantee long-term anti-corrosion performance.
Batch-by-batch inspection is carried out for wire diameter tolerance, tensile strength, elongation, bending property and coating thickness to eliminate defects such as wire breakage, brittleness, uneven diameter, peeling and cracks.
6. Core Product Advantages
6.1 Excellent Toughness & Low Breakage Rate
Pure material and low internal stress. The wire resists fracture after repeated bending, winding and binding, minimizing construction loss.
6.2 Precise Dimension & Uniform Diameter
Multi-pass precision drawing ensures standard diameter tolerance, consistent thickness and high processing stability.
6.3 Superior Anti-corrosion Performance (Galvanized & PVC Coated Types)
Dense and uniform zinc layer isolates air and moisture. It remains rust-proof and oxidation-resistant for long-term outdoor service without pulverization, far exceeding ordinary black annealed wire in service life.
6.4 Good Plasticity & Easy Processing
The wire can be freely cut, straightened, bent, wound, welded and woven, compatible with automatic equipment and manual processing.
6.5 Complete Strength Range
Products cover soft binding wire, high-strength spring wire and prestressed wire, meeting light-load, medium-load, heavy-load, elastic and precision working conditions.
6.6 Uniform Coil Weight & High Utilization Rate
Large coils without joints, wire breakage or impurities ensure continuous processing, less waste and lower comprehensive cost.
7. Application Scope
Construction Engineering
Binding wire for steel reinforcement, concrete fixing, site packing, embedded part fixing, scaffold binding and temporary engineering fixing.
Wire Mesh Manufacturing
Raw material for welded mesh, guardrail mesh, breeding mesh, gabion mesh, filter screen, window screen, craft mesh and protective mesh.
Agriculture, Animal Husbandry & Horticulture
Orchard fence, breeding enclosure, greenhouse construction, sapling binding, flower fixing, river protection and slope netting.
Hardware & Machinery Industry
Various springs, circlips, spring plates, hardware fittings, handicrafts, chain parts and mechanical elastic components.
Transportation Infrastructure
Raw material for prestressed bridges, sleepers and steel strands; guardrail weaving, subgrade reinforcement and traffic protection engineering.
Outdoor Anti-corrosion Projects
Open-air fence, photovoltaic site protection, coastal engineering, humid environment and long-term outdoor anti-rust fixing.
8. Surface Quality & Delivery Status
Delivery Condition: Black annealed soft finish, bright electro-galvanized finish, matte hot-dip galvanized finish, PVC coated, original high-carbon finish.
Smooth surface free of cracks, peeling, burrs, scratches and severe oxidation.Round wire body with uniform diameter and consistent flexibility without brittle breakage.Uniform and full galvanized coating with strong adhesion to avoid zinc peeling.Ready for direct binding, weaving, welding, deep processing and outdoor construction.
9. Delivery Cycle
Regular stock specifications (0.7–3.0mm black wire & galvanized wire): 1–3 working days
Special wire diameter, PVC coated wire, high carbon spring steel wire & fixed-length cutting orders: 3–5 working days
Large-batch orders, customized coil weight, special alloy material & precision deep processing orders: 5–8 working days
Priority production, full truck delivery, goods allocation on demand and full logistics tracking are supported.
10. Quality Assurance
All steel wires are manufactured in strict accordance with national standards, featuring stable mechanical performance, precise diameter tolerance and qualified toughness without brittle defective products.Each batch can be supplied with material test report, mechanical property inspection report and factory certificate, supporting site acceptance, third-party re-inspection and bidding filing.
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