We at Vigro Wires are committed to enhancing customer satisfaction by manufacturing high-quality, competitively priced High-carbon wire and Stainless steel wire in line with customer specifications.
From raw rod to finished wire — every metre engineered for consistency, strength, and global standards.
High-carbon wire rod is sourced and coiled — the fundamental feedstock that will be transformed through every stage of our precision manufacturing chain.
Input Material
Surface oxides and mill scale are mechanically stripped from the wire, exposing a clean substrate essential for uniform coating adhesion in subsequent stages.
A controlled phosphate conversion coating is applied to the wire surface — creating an ideal bonding layer that anchors lubricant and protects against corrosion during drawing.
Sodium borate (borax) is applied as a dry lubricant carrier, reducing die friction and heat build-up during the high-speed drawing process — critical for preserving wire integrity.
Surface Treatment
The wire is progressively pulled through a series of carbide dies, reducing diameter with each pass while simultaneously increasing tensile strength through cold work hardening.
Core Process · Branching Point
Process Branch — Fine Wire Path
Controlled heat treatment restores ductility
and refines the pearlitic microstructure.
Further die reductions achieve ultra-fine
diameters for specialised product lines.
Lubrication reapplied before each
additional drawing pass.
Drawn wire is thoroughly rinsed to remove residual lubricant and surface contaminants — ensuring a chemically clean surface before the pickling sequence.
Acid pickling dissolves iron oxides and passivates the steel surface — preparing the wire for the full galvanizing sequence with maximum zinc adhesion.
Surface Activation
A hot-water rinse neutralises acid carry-over and pre-warms the wire, improving flux adhesion and reducing thermal shock in the galvanizing bath.
Zinc ammonium chloride flux is applied to the wire surface — activating it for molten zinc uptake and preventing re-oxidation before the galvanizing bath.
Pre-galvanizing Treatment
Wire is immersed in a bath of molten zinc at ~450 °C, forming a metallurgically bonded zinc-iron alloy coating that delivers outstanding long-term corrosion protection.
Galvanized & Black Wire
The galvanized wire passes through a controlled water-quench cooling section, setting the coating microstructure and bringing the wire to a safe handling temperature.
Final Stage
Annual Production
Wire Produced
Maximum Rated Voltage
Conductor Designs
CCV Lines (BCI Technology)
Patents Secured
Every Wire. Engineered.
Our manufacturing process is certified to ISO standards for quality, environment and occupational health — with in-house R&D labs and NABL-accredited testing facilities ensuring every coil meets the specification it was made for.
We ensure every coil meets stringent ISO-certified quality standards, delivering consistent performance, durability, and customer satisfaction.
Engineered packaging solutions ensure safe handling, corrosion protection, and optimized logistics efficiency across global supply chains.
