Z350 Z80 Galvanized Wire
Product Introduction

| General Information | ||
| Parameter | Description | Standard / Options |
| Product Name | Galvanized Steel Wire | Zinc-Coated Steel Wire |
| Manufacturing Process | Method of production & coating | Electro-Galvanized (Cold Galvanized), Hot-Dip Galvanized (HDG) |
| Standard Specifications | Governing material & testing standards | ASTM A641 / A641M (Zinc-Coated Carbon Steel Wire) , ASTM A856 / A856M (Zinc-5% Aluminum-Mischmetal Alloy-Coated) , EN 10244-2 (Steel wire and wire products — Coatings — Part 2: Zinc or zinc alloy coatings), BS 443 (Galvanized steel wire for general purposes), ISO 7989 |
| Common Steel Grades | Base steel quality | Commercial Quality, Drawing Quality, Spring Quality |
| Zinc Coating Type | Type of metallic coating | Electro-Galvanized: Thin, uniform coating Hot-Dip Galvanized: Thicker coating, heavier protection |
| Application | Primary end uses | Binding wire, fencing, cable armor, wire rope, poultry netting, barbed wire, gabions, springs, overhead ground wire |
| Coating Specifications | ||
| Parameter | Description | Standard / Options |
| Coating Type | Method of zinc application | Electro-Galvanized (EG): Smooth, thin, uniform; for indoor or light duty Hot-Dip Galvanized (HDG): Thicker, matte gray; for heavy outdoor corrosion protection |
| Coating Weight (Zinc Mass) | Mass of zinc per unit area | Electro-Galvanized: 10 - 50 g/m² Hot-Dip Galvanized: 40 - 400 g/m² (depending on wire diameter) |
| Coating Thickness (Approx) | Approximate thickness | Electro-Galvanized: 1 - 7 μm Hot-Dip Galvanized: 6 - 60 μm |
| Zinc Purity | % Zinc | ≥ 99.5% (for hot-dip) |
| Coating Designation (ASTM A641) | Coating class | Class 1 (Light), Class 2 (Heavy), Class 3 (Extra Heavy) |
| Coating Designation (EN 10244-2) | Coating class | Class A (light) to Class F (very heavy) |
| Adhesion Test | Wrapping test | No flaking or cracking after wrapping around mandrel |
| Uniformity (Preece Test) | Copper sulfate dip test | Number of dips without exposing bare steel (typically 1-4 minutes) |
| Surface Finish and Appearance Options | ||
| Option | Description | Typical Application |
| Bright / Spangled Finish | Characteristic zinc spangle from hot-dip process | General purpose, visible applications |
| Dull / Matte Finish | Uniform, non-reflective surface | Painting or further coating preparation |
| Smooth Finish (EG) | Uniform bright gray from electro-galvanizing | Indoor applications, weaving, binding |
| Oil Film | Light oil coating to prevent white rust | Storage, transport (wet locations) |
| Chromate Passivation | Chemical treatment to prevent white rust | Extended storage, humid environments |
| Dry / Un-oiled | No additional oil | Clean handling, further processing |
| Mechanical Properties (at Room Temperature) | |||
| Grade / Quality | Tensile Strength (MPa) | Elongation (% , min) | Notes |
| Commercial Quality (Low Carbon) | 345 - 550 | 10 - 15 | Soft, ductile; for binding, weaving |
| Drawing Quality (Medium Carbon) | 550 - 700 | 5 - 8 | For general fabrication, fencing |
| High Tensile / Spring Quality | 1100 - 1800 | 4 - 6 | For springs, cable armoring, overhead conductors |
| ASTM A641 Class 1 (Soft) | 415 - 585 (min) | / | General purpose |
| ASTM A641 Class 3 (Medium) | 515 - 720 (min) | / | Higher strength applications |
| Dimensional Availability and Tolerances | |||
| Parameter | Typical Range / Value | Tolerance | Notes |
| Diameter Range | 0.15 mm - 10.0 mm | / | Common: 0.8 mm, 1.2 mm, 1.6 mm, 2.5 mm, 4.0 mm, 5.0 mm |
| Diameter Tolerance (Fine) | For diameters < 0.8 mm | ± 0.01 mm | Precision applications |
| Diameter Tolerance (Medium) | For diameters 0.8 - 2.5 mm | ± 0.02 mm | General purpose |
| Diameter Tolerance (Coarse) | For diameters > 2.5 mm | ± 0.03 - 0.05 mm | Heavy duty |
| Out-of-Round (Ovality) | / | ≤ 50% of diameter tolerance | Difference between max and min diameter |
| Tensile Strength Tolerance | / | ± 50 - 100 MPa | Depends on grade |
| Coil Weight | 5 kg - 1000 kg | / | Spools, coils, drums available |
| Coil Inner Diameter (ID) | 250 mm - 750 mm | / | Depends on coil weight and handling |
| Packaging Form | / | / | Coils (wound), Spools, Straightened & Cut lengths |





Online message