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ISO 1461 ASTM A123 IS 4759

Hot Dip Galvanizing Services in Chennai – ISO Certified

Looking for high-performance hot dip galvanizing in Chennai? Our plant delivers ISO 1461 & ASTM A123 compliant zinc coatings with a typical thickness of 80–120 μm for long-term corrosion protection and precision finishing. We provide PQC/QC reports with every dispatch to support your audits and tenders.


RR GalvaGlow

Galvanizing Process – Step-by-Step Breakdown

Our 7-tank galvanizing process is built for durability, uniformity, and industrial compliance:


Degreasing

Removes oil, grease, and paint

Pickling (HCl acid bath)

Eliminates rust and scale

Rinsing

Dual rinse stations for clean finish

Fluxing

Zinc ammonium chloride coat to prevent flash rust

Hot Dip Galvanizing

Immersion in 450°C molten zinc

Quenching

Cooling and solidifying the zinc layer

QA/QC Testing

Coating thickness (mag gauge), adhesion & visual per ISO/ASTM; salt spray test on request

Why Choose Us for Hot Dip Galvanizing in Chennai

Feature Benefit
ISO/ASTM/BIS ComplianceISO 1461, ASTM A123/A153, IS 4759
Zinc Coating: 80–120 μmHeavy-duty corrosion protection
Large Dip Tank CapacitySuitable for poles, trays & fabricated steel
Turnaround (Std/Rush)3–5 working days / 48–72 hours (capacity-dependent)
In-house QC & ReportsThickness map, batch logs, visual/adhesion notes
Chennai Pickup/DeliveryAmbattur, Sriperumbudur, Oragadam, Gummidipoondi
RR GalvaGlow – ISO Certified

Hot Dip Galvanizing Services in Chennai – Heavy-Duty Corrosion Protection

Specifications & Technical Capabilities

Spec Details
Kettle size 12.3m (L) × 1m (W) × 1.5m (D)
Material Handled Mild steel, fabricated parts, fasteners
Zinc Purity 99.99% virgin zinc
Coating Thickness80–120 μm (project-based per ISO 1461)
QA InspectionCoating gauge, bend test, peel test, visual
Industry Standards FollowedISO 1461, ASTM A123/A153, IS 4759
Encapsulated Pretreatment Room Safe & Environment friendly

Industries We Serve

  • Telecom & Infrastructure Antenna & monopoles, towers
  • Highway & Railways Guardrails, fencing, signage
  • Power Transmission Lattice structures, tower frames
  • Solar Energy Module mounting structures
  • Urban Infra Projects Lighting poles, walkways, foot overbridges

Trusted by Chennai's Leading Infrastructure Companies

Our commitment to quality, precision, and timely service makes us the preferred galvanizing partner for top-tier infrastructure and industrial brands in Tamil Nadu.


  • ISO 1461 & ASTM A123 compliant
  • PQC/QC reports shared
  • Route-wise pickup in Chennai
  • Fastest delivery slots this week

Request a Free Quote Today

  • Share your part drawing/specs via email or WhatsApp
  • Get an estimate within hours
  • Pickup & delivery available in most industrial zones

Call: +91 994 033 2979

Email: sales@rrgalvaglow.com

WhatsApp Support | Quick Turnaround | 100% QA Tested

Frequently Asked Questions

What is the coating life of hot dip galvanizing?

We typically deliver 80–120 μm coatings. Service life depends on environment (urban, marine, industrial) and maintenance; share your site conditions and we’ll advise expected life and thickness maps.

Do you comply with Indian and global galvanizing standards?

Yes. IS 2629, IS 4759, ASTM A123, and ISO 1461 are fully followed with lab tests.

What is your minimum and maximum job size?

From small fasteners to large assemblies. Maximum dip size depends on the kettle envelope and rigging—share drawings and we’ll confirm feasibility and handling plan.

Do you offer service in Oragadam, Sriperumbudur & SIPCOT?

Yes. We serve all Chennai industrial clusters with pickup/delivery support.

What is the average lead time?

Standard jobs complete in 3–5 working days. Rush lots are possible in 48–72 hours subject to production slots and QC.

Hot dip galvanizing plant in Chennai – zinc kettle at 450°C
ISO 1461 coating thickness 100 μm – QA inspection with magnetic gauge
ASTM A123 compliant withdrawal – smooth zinc flow-off and finishing
Fluxing tank with zinc ammonium chloride – uniform wetting before dip
Degreasing and acid pickling line – rust and mill scale removal
Dual rinse stations – clean substrate for consistent zinc coating
Quenching and passivation – surface protection after galvanizing
Galvanized cable trays – precision finishing at 80–100 μm
Galvanized octagonal lighting poles – inside-out coverage
Galvanized W-beam guardrails – 100–120 μm heavy-duty protection
Solar MMS galvanized structures – posts, rails, and purlins
Final visual and adhesion checks – PQC report before dispatch
Contact Us
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