Electro Galvanized Iron Wire (also known as GI wire or electro-galvanized steel wire) is manufactured using premium low carbon steel wire rods (Q195/Q235). Through precise automated wire drawing and electro-plating processes, it features a uniform zinc coating, bright smooth surface, and exceptional flexibility. Ideal for commercial binding, industrial mesh weaving, and agricultural fencing.

  • Bright & Smooth Finish: Beautiful silvery appearance with uniform electro-zinc plating.
  • Excellent Elongation: Optimized soft tensile strength (350-550 N/mm²) for easy knotting and tying.
  • Versatile Wire Gauges: Complete range from heavy BWG 8 down to ultra-flexible BWG 24.
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Premium Electro Galvanized Iron Wire – Industrial GI Tying Wire

Our Electro Galvanized Iron Wire stands as one of the most versatile and highly requested carbon steel wire solutions across international markets. Utilizing advanced cold-galvanizing engineering, a precise layer of zinc is electrolytically deposited onto the high-tensile core wire. This process yields a brilliantly bright finish and superior dimensional tolerance. It is highly valued by global B2B procurement managers who require consistent mechanical performance and competitive cost structures for large-scale operations.

Advanced Quality Control for Global GI Wire Importers

We run continuous automated electro-plating lines equipped with inline tension controllers. This ensures that every coil of galvanized iron wire maintains balanced elongation and uniform tensile strength from the first meter to the last. Our rigorous quality control protocols guarantee seamless compatibility with high-speed automated chain-link mesh machines, gabion weaving equipment, and manual construction tying workflows without brittle cracking.

Technical Specifications & Standard Wire Gauge (BWG) Table

Wire Gauge (BWG) Diameter (mm) Tensile Strength (N/mm²) Zinc Coating (g/m²) Elongation Rate (%)
BWG 8 / 10 4.19 mm – 3.40 mm 400 – 550 N/mm² 15 – 25 g/m² ≥ 12%
BWG 12 / 14 2.77 mm – 2.11 mm 350 – 500 N/mm² 12 – 22 g/m² ≥ 15%
BWG 16 / 18 1.65 mm – 1.25 mm 350 – 480 N/mm² 10 – 18 g/m² ≥ 18%
BWG 20 / 22 0.89 mm – 0.71 mm 350 – 450 N/mm² 10 – 15 g/m² ≥ 20%
BWG 24 0.56 mm 350 – 420 N/mm² 10 – 12 g/m² ≥ 22%

Versatile B2B Applications

Due to its high malleability and smooth plating layer, electro galvanized steel wire is widely exported for:

  • Construction Tying Wire: Soft annealed grades easily secure rebar frameworks on-site.
  • Industrial Wire Mesh Production: Used as high-quality raw feed for welded wire mesh, chain link fences, and hexagonal netting.
  • Agricultural Support Lines: Provides overhead support structures for vineyard trellises, crop grids, and commercial greenhouses.
  • Daily Consumer Goods: Perfect material for manufacturing coat hangers, bucket handles, and wire baskets.

Frequently Asked Questions (FAQ) Regarding Electro Galvanized Wire

Q1: What is the primary difference between electro galvanized and hot-dipped galvanized iron wire?

A: Electro galvanized wire (cold galvanized) features a thinner zinc layer (10-25g/m²) but offers a significantly brighter, smoother, and more aesthetically pleasing surface with strict wire diameter tolerance. Hot-dipped galvanized wire has a thicker zinc coating (40-300g/m²), giving it stronger corrosion resistance for long-term outdoor infrastructure but with a rougher finish.

Q2: Does your factory provide custom wire gauges and single-coil weights?

A: Yes, absolutely. We can manufacture customized gauges ranging from BWG 8 to BWG 24. Furthermore, single-coil weights can be adapted to your market needs, varying from 1kg/coil small retail spools to large 500kg/coil carrier bundles for automated factory machinery consumption.

Q3: How does electro galvanized wire perform regarding bending and anti-cracking?

A: Because we use pure low carbon Q195 steel and standard continuous annealing thermal processes, our GI wire exhibits exceptional ductility and elongation (up to 25%). The zinc layer is tightly bonded to the iron core, ensuring it will not flake off or crack when bent 180 degrees during tying.

Q4: What is the typical shelf life and corrosion resistance timeline for cold galvanized wire?

A: In dry indoor, packaging, or warehousing environments, it can remain completely rust-free for several years. When exposed to outdoor environments, its rust resistance usually lasts between 1 to 3 years depending on local humidity and industrial acid-rain levels. For extreme outdoor environments, we recommend our heavy hot-dipped zinc coated series.

Get Factory-Direct Wholesale Price & Free Samples

Are you searching for a stable, high-capacity Chinese manufacturer to optimize your electro galvanized iron wire procurement costs? Partner with us to enjoy premium quality GI wires compliant with ASTM A641/BS 1052 standards and seamless global supply chain service.

  • Flexible Tiered Pricing: Massive volume-based discounts and competitive FOB/CIF/CFR quotes for full container loads (20GP) to boost your local distribution margins.
  • 100% Free Samples: Material physical testing samples are available immediately for your local engineering tensile strength or gauge verification.
  • Guaranteed Fast Lead Time: Our advanced continuous drawing facilities and steady low-carbon raw material steel rod supply chains guarantee prompt manufacturing and on-time shipping schedules.
  • Customized Packaging: Heavy-duty marine-grade dual packing (waterproof plastic film inside + rugged high-density woven or hessian bags outside) to thoroughly protect against salty sea air, transit rust, and coil scattering.
Material

High-Quality Low Carbon Steel (Q195 / Q235)

Wire Gauge

BWG 8 – BWG 24 (4.19mm – 0.56mm)

Zinc Coating Mass

10g/m² – 25g/m² (Standard Electro-Galvanized)

Tensile Strength

350 N/mm² – 550 N/mm² (Soft / Medium)

Elongation

10% – 25% (Excellent Flexibility)

Surface Treatment

Electro-Galvanized (Bright & Smooth Finish)

Coil Weight

1kg, 5kg, 25kg, 50kg, 100kg, 500kg (Customizable)

Standard Compliance

ASTM A641 / BS 1052 / DIN 1548

Packing Structure

Plastic Film Inside + PP Woven Bag / Hessian Cloth Outside

Application

Construction Binding, Mesh Weaving, Fencing, Cable Armouring

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