Structure Galvanizing Plant
Complete structure galvanizing plants for beams, towers and heavy fabricated steel — engineered, built and handed over by a single manufacturer.

Key Specifications
- Kettle length
- Up to 15 metres
- Lifting capacity
- Configurable 5 – 25 T
- Bath temperature
- 445 – 460 °C
- Standards
- IS 4759 / ASTM A123
Structure Galvanizing Plant
As a structure galvanizing plant manufacturer, Dadhivala Iron Craft India builds the machinery that protects fabricated steel — not the coating service itself. If your workshop turns out beams, towers, gratings or heavy assemblies and you want galvanizing under your own roof, we plan the line, build every part of it and hand you a running structure galvanizing plant. Our lines have been shielding structural steel across Indian industry since 1987, with the deep baths and serious lifting power that big sections demand.
The Equipment Inside the Line
- Zinc bath / kettle — a deep, low-silicon boiler-plate kettle welded to hold the biggest sections you run.
- Surface-prep tanks — degreasing and pickling in acid-resistant PP/FRP for spotless steel before the dip.
- Flux bath & dryer — conditioning and drying that guard against bare spots and blowouts.
- Cooling & finishing — quench and passivation stations that set the coat and ready the steel for dispatch.
- Air-cleaning systems — acid and zinc fume scrubbers that keep the shop clean and within limits.
- Lifting & handling — overhead cranes and jigs matched to the weight of structural steel.
Why Fabricated Steel Needs Its Own Galvanizing Line
Structural steel is bulky, uneven and heavy, and it won't pass cleanly through a general galvanizing setup. A run of gratings or a full transmission tower has to be lowered, dipped and drained without fouling the bath or losing coating on the inner faces. That is exactly what a structure galvanizing plant is engineered for: a longer, deeper kettle, high-capacity cranes and process tanks that swallow large loads without dragging the cycle. We build each line to the true scale of the steel you fabricate.
Sized Around Your Heaviest Work
We never sell a standard box. Kettle depth and length, crane tonnage, tank volumes, degree of automation and the footprint on your floor are all set by the steel you actually make — from light brackets to full towers. Tell us the biggest, heaviest piece you handle and the tonnage you want per shift, and the structure galvanizing plant is drawn around that.
Industries We Build Plants For
Steel fabricators, transmission-tower and PEB makers, solar-mounting manufacturers and infrastructure contractors come to us when they want galvanizing in-house — to control quality, cut outside job-work costs and shorten turnaround on their structural steel.
Typical Applications
Plan Your Structure Galvanizing Plant
Share the size of the sections you fabricate and the output you're aiming for, and our engineers will draw a turnkey line built around it. As a structure galvanizing plant manufacturer, we take the project from a blank sheet to a plant that's up and running.
Frequently Asked Questions
How long does it take to build and commission a structure galvanizing plant?
Timelines depend on the plant's size and level of automation, but most structure galvanizing plants go from final drawings to a commissioned line in a few months. We share a clear project schedule before work begins and keep you updated at every stage.
What utilities and site preparation does the plant need?
You'll need an adequate power supply, a furnace fuel source (natural gas, LPG or oil), water for the process tanks and a level floor with the right load-bearing foundation. We hand over the exact utility and foundation requirements during design, so your site is ready before installation.
Can the plant be expanded or upgraded as our output grows?
Yes. We design lines with future output in mind, and many plants can be uprated later — a larger kettle, extra handling capacity or more automation — as production grows. Share your expansion plans and we'll build in the headroom.
Do you help with pollution-control compliance?
Our plants come with acid- and zinc-fume scrubbers designed for clean, compliant operation, and we guide you on the pollution-control requirements you'll need to meet. Final approvals are issued by your local authority, but the plant is built to support them.
What after-sales support and training do you provide?
After commissioning we supply spares, train your operators and maintenance staff, and stay available for technical support and servicing through the life of the plant.


