Heavy Steel Fabrication Company in India — Plates from 6mm to 100mm+
From heavy plates to large industrial structures, we deliver ISO 9001:2015 certified fabrication built for strength, safety and long-term reliability. Precision cutting, welding, bending and assembly across India.
Certified
Heavy Steel Fabrication Companies Trust in India
Heavy fabrication is the engineering process of designing and manufacturing large-scale steel structures and components for construction, oil & gas, mining, power generation and transportation. As a heavy steel fabrication manufacturer in India since 1924 — not a trading company — E S Haji & Co builds components that withstand extreme loads, continuous vibration and demanding environments while ensuring long-term durability and structural reliability. We produce at 150 MT per month with no minimum order quantity, and every batch ships with a Mill Test Certificate.
We are a trusted heavy metal and steel fabrication company offering complete manufacturing solutions tailored to industrial requirements. Our capabilities include precision cutting, welding, bending, machining and assembly of customised steel structures, industrial platforms, support systems, beams, columns and heavy-duty fabricated components designed for strength, safety and operational efficiency.
Plate Thickness
6 mm – 100 mm and beyond
Standards
IS 800 · IS 2062 · AWS D1.1 · ASME
Welding
GMAW (MIG) · SAW · TIG · SMAW
NDT
UT · RT · MT · PT
Certification
ISO 9001:2015 quality management system
Benefits of Our Heavy Steel Fabrication
Robust, code-compliant fabrication engineered for the harshest industrial conditions.
High Strength for Large Structures
Built for large-scale steel structures and heavy-duty frames.
Engineered for Extreme Loads
Designed to withstand extreme load and vibration conditions.
Long-Lasting Durability
Corrosion resistance with the right surface treatment and finish.
Custom-Built Solutions
Fabrication tailored to each industrial project's requirements.
Cost-Effective at Scale
Efficient for heavy infrastructure over the project life cycle.
Faster Site Erection
Shop-fabricated assemblies speed up on-site erection.
ISO 9001:2015 Certified
Documented quality management across every project.
End-to-End Support
Design, fabrication, finishing, transport and on-site erection.
Our Heavy Steel Fabrication Services
Heavy Plate Fabrication
Heavy Steel Plate Fabrication
Structural & Plate Metalwork
Welding & Assembly
Plate Rolling & Forming
Machining & Finishing
Heavy Steel Materials & Capabilities
| Capability | Specification & Typical Application |
|---|---|
| Plate Thickness | 6 mm – 100 mm and beyond (pressure vessels, heavy structures) |
| Carbon Steel | A516 Gr 60/70, IS 2062 E250/E350 — pressure vessels, oil & gas equipment |
| Structural Steel | IS 2062, A36, S275, S355 — bridges, heavy frames, plant structures |
| Stainless Steel | SS 304, SS 316, SS 316L — process tanks, hygienic vessels |
| Alloy Steel | On request — high-temperature, high-stress components |
| Welding Methods | GMAW (MIG), SAW, TIG, SMAW — heavy weld joints with NDT verification |
| NDT Methods | UT, RT, MT, PT — quality verification of critical welds |
Codes & Standards We Comply With
| Code | Scope |
|---|---|
| IS 800 | Indian code of practice for general construction in steel |
| IS 2062 | Hot-rolled medium and high-tensile structural steel |
| AWS D1.1 | Structural welding code for steel |
| ASME | Boiler & pressure vessel code (applicable sections) |
| ISO 9001:2015 | Quality management system certification |
Machinery & Technology
| Equipment | Use |
|---|---|
| CNC Cutting & Bending | Accurate plate cutting and forming |
| Plate Rolling Machines | Rolling plates for vessels and curved sections |
| Hydraulic Press Brakes | Precision bending of heavy plate |
| Robotic Welding Systems | Consistent, high-integrity weld joints |
| Precision Measurement | Dimensional inspection and QA verification |
Surface Treatment Options
Heavy Steel Fabrication Process — Step by Step
Engineering & CAD Design
Shop drawings, stress analysis and approvals.
Material Procurement
Certified mill steel with material test certificates.
Cutting
Plasma, laser and oxy-fuel cutting for heavy plates.
Rolling, Bending & Forming
Plate rolling, press brakes and forming machines.
Welding & Assembly
GMAW, SAW, TIG and SMAW with NDT verification.
Surface Treatment
Sand blasting followed by paint, galvanising or epoxy.
Quality Inspection
Dimensional checks, NDT and full QA documentation.
Dispatch & Erection
PAN India transport with on-site installation support.
Industries We Serve
Our heavy fabrication solutions support construction, energy, oil & gas, mining and process industries across India.
Construction & Infrastructure
Bridges, high-rise frames and large spans.
Oil & Gas
Pressure vessels, storage tanks and offshore structures.
Power Plants & Energy
Boiler structures, ducting and supports.
Mining
Heavy-duty platforms and conveyor structures.
Thermal Industry
Boiler and steam plant structures.
Water Treatment
Large storage and treatment vessels.
Manufacturing & Engineering
Heavy machinery bases and frames.
Automotive
Chassis, trailers and heavy transport components.
Cement & Material Handling
Silos, hoppers, chutes and conveyor support structures.
What Our Clients Say
We've worked with E S Haji & Co on multiple heavy steel fabrication projects — their precision and quality control have always met our standards, with timelines respected throughout.
Project Manager Power Plant Construction FirmTheir team handled our heavy plate fabrication with great attention to detail. The welds passed all NDT checks on the first inspection — a real testament to their craftsmanship.
Procurement Head Oil & Gas EPC CompanyWe needed a reliable heavy fabrication company for a large structural steel order with tight specifications. They delivered exactly what was promised, with strong communication throughout.
Operations Director Industrial Infrastructure CompanyLocations We Serve
As one of the heavy steel fabrication companies in India, we supply heavy steel structure fabrication from our facility in Ambattur, Chennai — also serving heavy steel fabrication companies in Chennai directly — to industrial hubs across India, and ship internationally.
Chennai & Tamil Nadu
Ambattur · Guindy · Perungudi · Tambaram · Sriperumbudur
Manali · Madhavaram · Oragadam · Maraimalai Nagar · Padi · Avadi
Coimbatore · Trichy · Madurai · Salem · Hosur · Erode
PAN India
Mumbai · Bangalore · Hyderabad · Pune · Delhi NCR
Kolkata · Ahmedabad · Visakhapatnam · Vadodara · Surat
and all major industrial cities
International Export
UAE · Saudi Arabia · Qatar · Oman · Bahrain
Sri Lanka · Nepal · Bangladesh · Singapore
Malaysia · Africa · and more
Frequently Asked Questions
Common questions about our heavy steel fabrication capabilities and process.
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What is heavy fabrication?
Heavy fabrication is the process of cutting, shaping, welding and assembling large steel components for construction, oil & gas, mining and power industries, built for strength and durability.
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What is heavy steel fabrication?
Heavy steel fabrication involves designing and assembling large steel structures capable of withstanding extreme loads and harsh industrial conditions.
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What is heavy plate fabrication?
Heavy plate fabrication is shaping thick steel plates using plasma, laser or oxy-fuel cutting, followed by rolling, bending and welding into custom components.
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Which equipment is used in heavy steel fabrication?
We use CNC cutting and bending machines, plate rolling machines, robotic welding systems, hydraulic press brakes and precision measurement tools.
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Can E S Haji & Co handle large-scale heavy fabrication projects?
Yes. Our certified engineers and fabricators handle both small and large-scale heavy steel fabrication projects with reliable, custom-built results.
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How does E S Haji & Co ensure quality in heavy metal fabrication?
We follow strict NDT testing (UT, RT, MT, PT), dimensional checks and material certification as an ISO 9001:2015 certified company.
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What is the maximum plate thickness you can fabricate?
We fabricate steel plates from 6 mm up to 100 mm and beyond, depending on project requirements.
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Does E S Haji & Co deliver heavy fabrication PAN India?
Yes, we dispatch heavy fabricated steel across India — including Mumbai, Bangalore, Hyderabad, Pune, Delhi NCR and Kolkata — with on-site erection support.
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Which industries use heavy steel fabrication services?
Construction, oil & gas, mining, power generation, water treatment and transportation industries rely on our heavy fabrication solutions.
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What welding methods are used in heavy fabrication welding?
We use SAW, GMAW (MIG), TIG and SMAW welding, with critical welds verified through UT and RT testing.
Explore Our Products
Foundation & anchor bolts, bracing systems, fasteners and fabrication — tap any product to view full details.
Get in touch
You will find yourself working in a true partnership that results in an incredible experience, and an end product that is the best.
Call us on
(+91) 994 009 7572 / 89563 56925
Email us
info@eshaji.in
