Hot-Dip Galvanized Steel Wire
Products Description
Hot-Dip Galvanized Steel Wire is manufactured through a complete immersion process where steel wire is dipped into molten zinc at approximately 450°C. This creates a metallurgical bond between the zinc and steel, forming a thick, durable coating that provides exceptional corrosion resistance. The process ensures complete coverage, including edges and difficult-to-reach areas, offering superior protection compared to electro-galvanizing or other coating methods.
Products Specifications
| Parameter | Specification | Performance Benefit |
|---|---|---|
| Base Material | Low/Medium Carbon Steel (Q195, Q235, SWRH) | Excellent strength and formability |
| Diameter Range | 0.7mm - 6.0mm (Custom up to 8.0mm) | Versatile for all applications |
| Zinc Coating Weight | 60-300 g/m² (Standard: 80-120 g/m²) | Adjustable for different environments |
| Tensile Strength | 350-1850 MPa (Various grades available) | From soft annealed to high tensile |
| Coating Adherence | No peeling after wrapping 4x around mandrel | Ensures long-term integrity |
| Surface Appearance | Bright, with characteristic spangle pattern | Visual quality indicator |
Products Advantages
Complete Coverage
360° Protection: Entire wire surface coated, including ends
No Weak Points: Eliminates gaps common in electroplating
Edge Protection: Critical areas receive equal coating thickness
Metallurgical Bond Formation
Fe-Zn Alloy Layers: Forms durable intermetallic layers
Sacrificial Protection: Zinc corrodes preferentially to steel
Self-Healing: Minor scratches are protected by surrounding zinc
Thick, Durable Coating
Typical Thickness: 50-85 microns (vs. 5-25 microns for electro)
Impact Resistance: Withstands rough handling and installation
Abrasion Resistance: Suitable for high-wear applications
Products Applications
Construction & Infrastructure
Concrete Reinforcement: Tie wire for rebar cages
Scaffolding: Safety lines and temporary supports
Bridge Construction: Stay cables and tension members
Highway Safety: Guardrail cables and posts
Agricultural & Farming
Vineyard Trellising: Long-lasting support wires
Animal Fencing: Corrosion-resistant enclosures
Greenhouse Structures: Framework and support wires
Irrigation Systems: Support and hanging wires
Frequently Asked Questions
Q: What is the difference between hot-dip and electro-galvanizing?
A: Hot-dip involves immersing wire in molten zinc, creating a thick, metallurgically bonded coating (50-85μm). Electro-galvanizing uses electrical current to deposit a thinner zinc layer (5-25μm) with no metallurgical bond.
Q: How long will hot-dip galvanized wire last outdoors?
A: Service life depends on coating thickness and environment. Standard coating (80-120 g/m²) typically lasts 15-25 years in moderate climates, 10-15 years in industrial areas, and 7-12 years in marine environments.
Q: Can hot-dip galvanized wire be welded?
A: Yes, but with precautions. The zinc coating vaporizes during welding, requiring proper ventilation. Special welding techniques may be needed, and the weld area should be treated with zinc-rich paint.
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