Engineered Cold Drawn Wire & Structural Solutions
Explore our precision-drawn wire alloys and primary industrial steel products manufactured to GB, ASTM, EN, and JIS standards.
SAE1006 / SAE1008 Cold Drawn Wire for Nail Making
Ultra-low carbon formulation optimized for rapid head forming, nail processing, and fine cold-heading operations.
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SAE1080 / Q235 High Carbon Wire Rod, 8 mm & 12 mm
Premium input feedstock for prestressed wire, tire bead wire, and ultra-high tensile industrial spring production.
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Deformed Steel Rebar 6 mm – 12 mm for Concrete
High-bond ribbed reinforcement bar engineered for seismic-resistant foundation grids and architectural casting.
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Galvanized Plain Round Bar, High Corrosion Resistance
Smooth-drawn, hot-dip zinc passivated bar stock tailored for hardware manufacturing and dowel applications.
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A36 / Q235 Grade Structural H-Beam Columns
Wide-flange hot rolled structural steel profiles for industrial framing, mezzanine decks, and heavy load structures.
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Q235B / Q345B Bright Cold Rolled Carbon Steel Coil
Fine surface-finished cold rolled sheet coils intended for automated stamping, tubing lines, and automotive parts.
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Q235 / Q355 Hot-Dip Galvanized Flat Steel Bar
Heavy-duty 3–60 mm zinc-coated flat sections for grounding lines, bracket fabrication, and architectural enclosures.
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Galvanized Scaffolding Steel Pipe (ERW Load-Bearing)
Precision circular hollow sections with strict circularity tolerance for scaffolding networks and frame stability.
View SpecificationsMetallurgical Engineering of Cold Drawn Steel Wire
Understanding work hardening, microstructure morphology, and custom ODM calibration across automated drawing dies.
Strain Hardening & Grain Realignment
During progressive cold drawing, hot rolled wire rod passes through tungsten carbide or polycrystalline diamond (PCD) dies at ambient temperatures. This plastically deforms the ferrite-pearlite crystal lattices along the longitudinal drawing axis, generating high dislocation density and multiplying yield strength without costly alloy additions.
Controlled Interpass Annealing
For multi-stage reductions exceeding 85% area reduction, our integrated continuous lead-patenting and protective atmosphere bell-type annealing lines eliminate internal residual stresses. This restores ductility while tailoring elongation percentages from 5% up to 28% according to end-use formability requirements.
Micron Surface Passivation & Plating
We offer multiple surface finishes: phosphate-soap coated for dry high-speed wire drawing, copper-flashed for electrical conductivity and welding shielding, and electro-galvanized or hot-dip galvanized coatings with uniform zinc deposition ranging from 40 g/m² up to 360 g/m² for extreme exterior longevity.
| Alloy Grade | Carbon Content (%) | Tensile Strength Range (MPa) | Standard Tolerances (mm) | Representative Industrial Application |
|---|---|---|---|---|
| SAE 1006 / Q195 | 0.06 – 0.08 max | 350 – 580 | ±0.015 mm | Nails, mesh welding, binder wire, precision hangers |
| SAE 1008 / Q235 | 0.08 – 0.12 | 420 – 680 | ±0.020 mm | Industrial wire mesh, shopping carts, display racks |
| SAE 1045 / #45 | 0.42 – 0.50 | 650 – 950 | ±0.015 mm | Automotive shafts, high-strength linkages, fasteners |
| SAE 1070 – 1080 | 0.68 – 0.85 | 1250 – 2150 | ±0.010 mm | Mechanical springs, tire bead wire, elevator cables |
Global Demand & Localised Industrial Applications
From North American precast yards to European precision automotive plants and Middle Eastern infrastructure works, our cold drawn wire satisfies critical engineering tolerances.
Automotive Fasteners & Springs
Used in Tier-1 automotive manufacturing for valve springs, clutch springs, hood release assemblies, seat frame trusses, and cold-headed high-torque engine bolts requiring consistent grain structure and zero microcracks.
Precast & Prestressed Concrete
Cold drawn wire reinforcement meshes and indented prestressing strands provide high yield ratios for railway sleepers, hollow-core flooring slabs, precast culverts, and maritime structural pilings.
Agriculture, Vineyard & Fencing
Heavily galvanized (Class 3 / Class A) high-tensile trellis wires engineered to withstand thermal cycling and tension sag in Australian, South American, and Mediterranean viticulture and high-security perimeter installations.
Industrial Mesh & Goods
Bright-finish low-carbon wire optimized for automated multi-spot welding, forming durable materials handling containers, pallet cages, retail displays, refrigerator shelving, and architectural cable management trays.
Integrated Daqiuzhuang & Tangshan Manufacturing Nexus
Established in 1996, Tianjin Huizhong Xinyu (HZXY) operates across 1,500 acres of production bases in Tianjin and Tangshan. Situated in the heart of China’s steel fabrication cluster, our production network links blast furnaces, hot rolling mills, and continuous drawing lines within an immediate 40 km industrial radius.
This concentrated geographic positioning provides significant operational benefits: raw material billets reach our drawing machines with minimal transport lag, molten zinc galvanizing baths operate around the clock, and direct highway corridors connect our loading docks to Tianjin Port (Xingang), cutting transit delays to international ports.
Technology Roadmap & Decarbonization Horizon
How our engineering facilities are reducing embedded carbon while improving tensile reliability across micro-diameters.
Hydrogen-Assisted Bell Annealing
Progressing toward 100% pure hydrogen atmosphere annealing furnaces, reducing surface decarburization to near-zero levels while cutting carbon combustion emissions by 34% compared to legacy natural gas setups.
Eco-Friendly Ultrasonic Descaling
Phasing out acid pickling ponds with mechanical reverse bending and in-line ultrasonic abrasive water-jet descaling. This dry preparation approach eliminates chemical effluent while keeping surface scale removal above 99.8%.
In-Line Real-Time Laser Micrometry
Equipped with 360-degree dual-axis laser profile sensors measuring every running meter of cold drawn wire at speeds up to 25 m/s. Diameter variations exceeding ±0.005 mm trigger instant die correction feedback.
Testing Verification & Traceability Protocols
Every shipment carries comprehensive Mill Test Certificates (MTC) conforming strictly to EN 10204 3.1, with third-party testing protocols verified by SGS, BV, and Intertek.
Full Batch Traceability
From raw steel billet heat numbers to final coil packing tags, each wire coil carries a unique barcode linking to optical emission spectrometer (OES) chemical test records and reduction logs.
Destructive & Non-Destructive QA
Internal laboratories perform tensile break tests, wrapping bend evaluations, reverse torsion assessments, and copper-sulfate immersion Preece tests for zinc adhesion to prevent site failures.
Export Packaging Protection
Coils are protected with VCI (Volatile Corrosion Inhibitor) film, waterproof plastic woven fabric, edge-guard paperboard collars, and heavy steel banding on sea-worthy wooden pallets or steel carriers.
Frequently Asked Technical & Procurement Questions
Get quick answers regarding lead times, alloy customization, test reporting, and mixed-container shipments.
Where is HZXY located and which port do you ship from?
Which steel grades and standards can you supply?
Do you provide mill test certificates and allow third-party inspection?
Can you cut, weld or galvanize steel to custom sizes?
Can I combine different products in one shipment?
How can I get the HZXY product catalog?
Essential Structural Steel & Industrial Piping
Ready for mixed-container procurement, consolidated loading, and fast delivery to international project sites.
Perforated Galvanized Carbon Steel Angle Bar
Equal and unequal slotted angle sections engineered for electrical racking and fast warehouse assembly.
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Hot Rolled Galvanized Channel Steel (U / C Channel)
Heavy structural purlins and wall bracing channels featuring continuous zinc coatings for outdoor exposed setups.
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Hot Rolled Q235B Carbon Steel Flat Bar
Mill finish structural flat sections with uniform square edges for general fabrication and machinery bases.
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Double-Coated Prepainted PPGI Coil for Roofing
High-durability polyester and PVDF color coatings formulated to resist UV fading in tropical building projects.
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DX51D–DX54D High Forming Galvanized Steel Coil
Zero-spangle galvanized substrate engineered for HVAC ducts and precise automotive stamping lines.
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High-Strength Industrial Anti-Corrosion Coated Pipe
3PE and epoxy coated pipeline solutions designed for municipal water transmission and industrial fluid containment.
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In-Stock Structural Black Steel Pipe for Building
Direct ERW carbon hollow sections kept in constant warehouse stock for structural columns and space-frame projects.
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Pressure-Resistant Industrial Pipeline Valves
Gate, globe, butterfly, and check valves matched to pipe dimensions for complete MEP procurement packages.
View SpecificationsSource Directly from China's Steel Manufacturing Center
Request a comprehensive factory quote, mill test documentation, or discuss your custom drawing tolerances with our engineering coordinators.