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Industrial Fabrication

Hollow Sections for Industrial Fabrication – SHS, RHS & CHS for Heavy-Duty Engineering & Manufacturing Applications

Inox Steel India supplies a complete range of structural hollow sections (SHS, RHS, CHS) designed specifically for industrial fabrication, where strength, durability, weldability, and dimensional consistency are essential for building machinery frames, equipment structures, platforms, conveyors, process skids, and load-bearing assemblies.

Industrial fabrication environments demand materials that can withstand dynamic stresses, vibration, heavy loads, and continuous operational cycles. Hollow structural sections excel in these conditions due to their superior torsional rigidity, uniform stress distribution, low weight-to-strength ratio, and excellent compatibility with welding, cutting, machining, and automated fabrication processes.

Hollow sections have become the engineering standard for industrial manufacturers across sectors such as:

  • Heavy machinery & equipment fabrication
  • Material handling systems
  • Processing plant structures
  • Skid-mounted equipment
  • Industrial work platforms
  • Storage systems, racks & automated systems
  • Chemical & petrochemical plant fabrication
  • Conveyor frames and support systems

Inox Steel India offers industrial-grade hollow sections in global standards:

  • EN 10210 (Hot-Finished HSS) for heavy dynamic load fabrication
  • EN 10219 (Cold-Formed HSS) for precision fabrication
  • ASTM A500 Grade B/C/D for international OEM manufacturing
  • IS 4923 SHS/RHS for domestic industrial fabrication
  • IS 1161 CHS for machinery and equipment structures
  • Galvanized hollow sections for humid, corrosive, and outdoor industrial environments

These sections are widely used in fabrication workshops, machinery manufacturing units, process equipment builders, OEMs, EPC companies, and onsite industrial installation projects across India, GCC, Africa, Europe, and Southeast Asia.

Engineers and fabricators prefer hollow sections because they offer:

  • High dimensional accuracy
  • Excellent weldability
  • Predictable bending and torsion behavior
  • Uniform performance in cyclic loading
  • Easy fit-up and alignment during fabrication
  • Reduced fabrication time and machining requirements

Inox Steel India supports industrial fabrication companies with reliable, certified, and project-ready hollow structural sections tailored to manufacturing, mechanical engineering, and industrial construction requirements.

Table of Contents

Applications of Hollow Sections in Industrial Fabrication

Industrial fabrication requires structural members that can handle repetitive loads, vibration, dynamic stress, equipment weight, and harsh operational environments. Hollow sections—due to their closed geometry—offer superior stiffness, mechanical stability, and fabrication efficiency, making them ideal for machinery, equipment structures, and industrial assemblies.

Below is the structured application breakdown.

🔹 1. Machinery Frames & Base Structures

Hollow sections form the backbone of machine frames because of their excellent compression resistance and vibration stability.

Used For:

  • CNC machine frames
  • Press machine bases
  • Industrial automation frames
  • Packing & processing equipment frames

Preferred Sections:
RHS / SHS (medium to heavy thickness)

🔹 2. Conveyor Systems & Material Handling Structures

High bending strength and torsional rigidity make hollow sections ideal for:

  • Conveyor trusses
  • Roller support structures
  • Transfer line frames
  • Sorting systems
  • Belt conveyor walkways

Preferred Sections: RHS / CHS

🔹 3. Platforms, Walkways & Maintenance Frames

Industrial walkways, platforms, and mezzanines require strong yet lightweight members to support loads without excessive deflection.

Applications:

  • Access platforms
  • Elevated walkways
  • Service decks
  • Ladder supports

🔹 4. Process Skids & Modular Fabrication Units

Skid-mounted systems require strong box-type geometry for load distribution.

Used In:

  • Chemical dosing skids
  • Pump skids
  • Oil & gas process units
  • Water treatment skids

Preferred Sections: SHS / RHS (S355J2H or ASTM A500 Grade C)

🔹 5. Storage Racks, Shelving & Industrial Handling Frames

Hollow sections offer high strength with low weight for:

  • Pallet racking
  • Heavy-duty shelving
  • Automated storage systems
  • Cantilever racks

🔹 6. Structural Support Systems in Factories

Includes:

  • Trusses
  • Support columns
  • Cross-bracing members
  • Equipment mounting structures

Hollow sections deliver predictable stress performance in dynamic environments.

🔹 7. Outdoor Industrial Structures

For humid or corrosive environments:

  • GI / HDG hollow sections
  • Ideal for chemical plants, food processing, and coastal industries

Material Selection Guide for Industrial Fabrication

Application Recommended Standard Strength Level Benefit
Heavy machine bases EN 10210 S355J2H/S420NH High Impact-tested + strong
Conveyor & material handling EN 10219 / ASTM A500 C Medium–High Good stiffness
Modular skids ASTM A500 Grade C/D High International OEM standard
General industrial fabrication IS 4923 YSt 310/355 Medium Cost-effective + strong
Outdoor industrial structures GI / HDG HSS Medium–High Corrosion protection

Common Size Ranges Used in Industrial Fabrication (Indicative)

Section Typical Size Range Application
SHS 50×50 to 250×250 mm Machine frames, supports
RHS 75×50 to 350×200 mm Conveyor frames, skids
CHS 33.7 to 168.3 mm OD Bracing, equipment supports

(Full size chart available upon request.)

Indicative Pricing for Industrial-Grade Hollow Sections

Standard Price Range (₹/kg) Typical Use
EN 10210 ₹105 – ₹160 Heavy machinery & skids
EN 10219 ₹82 – ₹120 Conveyor systems & structures
ASTM A500 ₹90 – ₹150 OEM machinery & fabrication
IS 4923 / IS 1161 ₹65 – ₹110 General industrial fabrication
GI / HDG HSS ₹95 – ₹165 Outdoor fabrication

Prices vary by size, thickness & region.

Testing & Quality Compliance

Industrial fabrication relies on precision and repeatability —
our hollow sections undergo:

Mechanical Tests

  • Tensile
  • Yield
  • Elongation

Dimensional Accuracy

  • OD / width
  • Thickness tolerance
  • Straightness

Weld Quality Tests

  • ERW weld seam NDT
  • Eddy current / UT

Surface Condition Checks

  • Coating integrity (for GI/HDG)
  • Cleanliness & weld bead removal

Documentation includes MTC 3.1, mechanical tests, and NDT results.

Why Choose Inox Steel India for Industrial Fabrication

Inox Steel India is a preferred supplier for fabrication workshops, OEM machinery manufacturers, EPC contractors, and industrial engineering units that rely on high-strength, dimensionally accurate, weld-friendly hollow sections. Our SHS, RHS, and CHS tubes deliver stable performance in environments involving vibration, cyclic loading, heavy equipment weights, and structural stress.

Key Advantages of Choosing Us

  • Industrial-grade hollow sections with tight tolerances
  • High weldability for MIG/MAG/TIG & robotic welding
  • Strong, stable, and vibration-resistant structural profiles
  • Large availability in EN 10210, EN 10219, ASTM A500, IS 4923 & IS 1161
  • Custom lengths for optimized fabrication & reduced wastage
  • GI / HDG options for corrosive industrial environments
  • Third-party inspection available (SGS, TUV, BV)
  • Reliable delivery with strong packaging for workshop handling

We support fabrication companies in reducing production time, improving structural stability, and achieving consistent engineering performance.

Industries & Fabrication Segments We Serve

Industry Applications
Machinery & Equipment Manufacturing Machine bases, support frames, robotic structures
Material Handling & Conveyors Conveyor trusses, roller beds, sorting lines
Process & Modular Skid Fabrication Dosing skids, pump frames, process platforms
Industrial Plants & Utilities Pipe racks, HVAC structures, utility supports
Storage & Warehouse Systems Racking, shelving, mezzanine structures
Automotive & OEM Fabrication Equipment frames, fixtures, jigs
Chemical & Petrochemical Outdoor structures with GI/HDG protection

Our hollow sections are engineered to meet the exacting demands of industrial operation and fabrication workflows.

Yes — their closed geometry provides superior torsional and bending resistance.

Yes, cut-to-length supply is available to minimize wastage.

RHS (medium to heavy thickness) is preferred for structural consistency.

Yes—SGS, BV, TUV inspections can be arranged on request.