IS 4923 CertifiedIS 3601 CertifiedPrimary Steel ProducerIMS Certified

Industrial Solutions: SRMB Realfabrica Hollow Sections for Industry

Industrial structures don't get the visual scrutiny an architectural facade does, but they carry heavier, more sustained load, run for longer service lives, and cost far more to fix once they're built than to specify correctly the first time. A shed frame, a storage rack, or a pipe rack that's under-specified doesn't just look wrong — it puts inventory, equipment, and people at risk.

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IS 4923
SHS & RHS Standard
IS 3601
CHS Standard
3
Section Shapes
PAWS
Quality Technology
Why Specify

Why Industrial Projects Specify SRMB Realfabrica

Steelworkers tapping molten metal on the furnace floor
Primary Steel Producer
Classified by the Joint Plant Committee, Ministry of Steel — billet rolled from our own iron ore based steel, not sourced externally.
ISI certification mark
IS Code Certified
Square & rectangular to IS 4923, circular to IS 3601, general structural tube to IS 1161 — documented basis for every load calculation.
PAWS Technology — Physical property, Accurate length, Weld superior, Superior surface quality
PAWS Technology QC
Digital UTM & Spectrometer on every batch — Physical uniformity, Accurate sizing, Weld quality, Surface strength checked before despatch.
Coil rolled into hollow sections, then inspected against a specification sheet
Product Traceable
Every length embossed with SRMB brand mark and ISI logo — verify material against purchase orders on any industrial site.
Where It's Used

Industrial Applications

From shed frames to pipe racks, the right hollow section makes the difference. Hover each card to explore specifications.

Industrial shed frame built from square and rectangular hollow sectionsSHS · RHS
  • Square sections for columns (axial load from any direction); rectangular for rafters (bending resistance along span)
  • Flat faces bolt and weld cleanly to base plates, purlins, and wind bracing
  • IS 4923 batch consistency keeps bolt hole alignment on track across large tonnage orders
  • Higher radius of gyration than open sections — less steel tonnage for the same load rating
Industrial Sheds
Hover
  • Square sections for columns (axial load from any direction); rectangular for rafters (bending resistance along span)
  • Flat faces bolt and weld cleanly to base plates, purlins, and wind bracing
  • IS 4923 batch consistency keeps bolt hole alignment on track across large tonnage orders
  • Higher radius of gyration than open sections — less steel tonnage for the same load rating
Warehouse storage racking built from square hollow sectionsSHS
  • Square SHS uprights resist buckling under repeated, off-centre warehouse loads — flat faces suit bolt-on beams at any height
  • IS 4923 YST 210/240 — documented yield strength for rack designers, not an assumed figure
  • Flat top/bottom faces on pallet frames give stable surface for stacking and forklift tines
  • PAWS weld quality check on every batch — prevents joint failure under repeated drop and drag cycles
Storage Racks & Pallets
Hover
  • Square SHS uprights resist buckling under repeated, off-centre warehouse loads — flat faces suit bolt-on beams at any height
  • IS 4923 YST 210/240 — documented yield strength for rack designers, not an assumed figure
  • Flat top/bottom faces on pallet frames give stable surface for stacking and forklift tines
  • PAWS weld quality check on every batch — prevents joint failure under repeated drop and drag cycles
Pipe rack structure carrying process piping on hollow section supportsCHS
  • Circular CHS distributes torsional load evenly — suited for pipe racks subject to thermal expansion and vibration
  • Square/rectangular sections for columns needing flat mounting faces for pipe clamps and bolted foundations
  • IS 3601 / IS 4923 conformity — documented long-term load basis for multi-decade service life design
  • Seal open ends to prevent moisture ingress on outdoor, weather-exposed racks
Pipe Racks
Hover
  • Circular CHS distributes torsional load evenly — suited for pipe racks subject to thermal expansion and vibration
  • Square/rectangular sections for columns needing flat mounting faces for pipe clamps and bolted foundations
  • IS 3601 / IS 4923 conformity — documented long-term load basis for multi-decade service life design
  • Seal open ends to prevent moisture ingress on outdoor, weather-exposed racks
Steel columns and roof trusses fabricated from hollow sectionsSHS · CHS
  • Square SHS for columns — symmetrical profile carries axial and lateral wind/vibration loads equally
  • Square for truss chord members (flat gusset plates); circular CHS for diagonal web members (multi-directional buckling)
  • Cold Formed ERW process — consistent wall thickness and straightness across every member in a large truss run
  • Weld with standard MS electrodes, no preheating — keeps large-scale erection schedules on track
Columns & Trusses
Hover
  • Square SHS for columns — symmetrical profile carries axial and lateral wind/vibration loads equally
  • Square for truss chord members (flat gusset plates); circular CHS for diagonal web members (multi-directional buckling)
  • Cold Formed ERW process — consistent wall thickness and straightness across every member in a large truss run
  • Weld with standard MS electrodes, no preheating — keeps large-scale erection schedules on track

Fabrication and Site Handling for Industrial Structures

Industrial projects typically order steel in far larger volumes, and on tighter erection schedules, than architectural work, which makes a few practical factors worth building into your specification regardless of which application above applies.

  • Welding and site speedSRMB Realfabrica sections can be welded using standard MS electrodes without preheating, which matters directly on industrial projects where erection crews are working through large volumes of columns, trusses, and rack uprights against a fixed handover date.
  • Packaging for bulk handlingBundles are strapped with high tensile metal strips at despatch, so large-tonnage orders for shed frames or racking systems arrive at site intact and ready for crane or forklift offloading without repackaging.
  • Corrosion protectionFor any industrial structure exposed to weather or high humidity, such as an open-sided shed, an outdoor pipe rack, or an external storage yard, sealing the open ends of columns and members with a welded end plate is worth specifying at fabrication stage. Left open, ends can trap moisture over the structure's working life, which is avoidable with this one step regardless of which manufacturer's sections are used.

Shape Selection Guide

Industrial ApplicationRecommended ShapeTypical GradeWhy
Industrial shed columns and raftersSquare for columns, Rectangular for rafters (IS 4923)YST 210 / YST 240Flat faces for bolted connections; rectangular adds bending resistance along span
Columns and trussesSquare for columns and chords, Circular for diagonal web membersYST 210 / YST 240 / WT 160 to WT 310Symmetrical axial resistance for columns; circular resists multi-directional buckling
Material storage racksSquare Hollow Section (IS 4923)YST 210 / YST 240Symmetrical profile resists buckling under repeated, variably centred load
PalletsSquare Hollow Section, smaller sizes (IS 4923)YST 210Flat top and bottom faces suit stacking and forklift handling
Pipe racksCircular for torsional resistance, Square/Rectangular for mounting facesWT 160 to WT 310 / YST 210 / YST 240Matches load type: torsional movement versus flat clamp mounting
Roof support systemsRectangular Hollow Section (IS 4923)YST 210 / YST 240Unequal sides give bending resistance matched to purlin span load

This table is a starting reference. Final shape, size, thickness, and grade should always be confirmed against your structural engineer's load calculation, and our technical team is available to help match a specification to your drawings.

Steelworkers tapping molten metal on the furnace floor at the SRMB plant

Why Choose SRMB Realfabrica for Industrial Projects

One Supplier for Every Shape
Square, rectangular, and circular sections from one integrated plant — shed columns, rack uprights, and pipe rack members from a single vendor.
Primary Steel Producer
Classified by the Joint Plant Committee, Ministry of Steel — every section rolled from our own billet, not bought externally.
IS Code Conformity
SHS/RHS to IS 4923, CHS to IS 3601, general structural tube to IS 1161 — documented basis for every load calculation.
PAWS Technology QC
Digital UTM & spectrometer testing on every batch for the load-bearing consistency industrial structures depend on.
IMS Certified
ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 — quality, environment, and safety managed together.
Built for Bulk & Traceable on Site
High-tensile strapped bundling for large-tonnage orders. Every length embossed with SRMB brand mark and ISI logo for on-site verification.

Share your shape, size, grade, and order volume with our technical team. Contact us to get started.

Frequently Asked Questions

Square hollow sections are generally used for shed columns, and rectangular hollow sections for rafters, since square sections carry axial column load evenly while rectangular sections resist bending better along a rafter's span.

Square hollow section is the standard choice for storage rack uprights, since its symmetrical profile resists buckling under repeated, forklift-handled loading from any direction, common in active warehouse racking.

Yes. Square hollow sections are widely used for pallet frames because their flat top and bottom faces give a stable surface for stacking and for forklift tines or pallet jack forks.

Circular hollow section is preferred where a pipe rack needs to resist torsional load from thermal expansion or vibration, while square or rectangular sections suit racks needing flat mounting faces for pipe clamps.

Square hollow sections are commonly used for columns and truss chord members, while circular hollow sections are often used for diagonal truss web members that need multi-directional buckling resistance.

Rectangular hollow section is typically preferred for roof purlins, since its unequal sides give more bending resistance along the span than a square section of equal weight.

Hollow sections offer a higher strength to weight ratio than solid bars of equal size, reducing material, transport, and fabrication cost while maintaining the load capacity an industrial structure needs.

Yes. Sections are manufactured at one integrated plant with consistent batch quality and high-tensile strapped bundling, supporting the large-volume orders typical of shed, rack, and truss projects.

Square and rectangular industrial hollow sections conform to IS 4923, circular sections conform to IS 3601, and general structural tube also references IS 1161.

Yes, particularly for open-sided sheds, outdoor pipe racks, and exposed storage yards. Sealing open ends with a welded end plate at fabrication stage helps prevent internal corrosion over the structure's working life.

Yes. SRMB Realfabrica hollow sections can be welded using standard MS electrodes without preheating, which supports faster erection schedules on large industrial projects.

Yes. The same IS certified, Primary Steel Producer manufactured square, rectangular, and circular sections are used across shed frames, storage racks, pallets, pipe racks, and roof support systems.

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