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IS:4923 SHS · Structural & Fabrication
M.S. Square Pipes (SHS)
M.S. Square Hollow Section Pipes Manufacturer & Supplier – Mumbai, India · Since 1999
IS:4923 SHS Certified10×10mm to 250×250mm1mm–12mm Wall ThicknessDirect ManufacturerPAN India Supply
M.S. Square Hollow Section (SHS) Pipes are manufactured from high-quality mild steel to Indian Standard IS:4923 at our Darukhana, Mumbai factory. Available in sizes 10×10mm to 250×250mm with wall thickness 1.0mm to 12mm. Standard lengths 3m, 6m or custom. Used extensively in structural fabrication, construction, furniture manufacturing, gate and grille making, vehicle body building, fencing, machine frames and general engineering across India. Black (bare) finish standard; painted and galvanized available. Factory-direct pricing with bulk discounts.
Quick Specifications
StandardIS:4923 SHS
Size Range10×10mm to 250×250mm
Wall Thickness1.0mm to 12mm
Standard Lengths3m / 6m / Custom
Material GradeIS:4923 Mild Steel (MS)
Surface FinishBlack (Bare) / Painted / Galvanized
Lead Time3–7 Days
SupplyPAN India | Darukhana, Mumbai
250×250Max Size (mm)
12mmMax Wall Thickness
IS:4923Standard
What Are M.S. Square Pipes (SHS)?
M.S. Square Hollow Section (SHS) Pipes — also called Mild Steel Square Tubes or MS Box Sections — are hollow structural steel sections with equal width and height dimensions (square cross-section). They are manufactured by the Electric Resistance Welding (ERW) process from hot-rolled mild steel strip to IS:4923 standard.
Square hollow sections are among the most versatile structural steel products — combining excellent compressive strength, torsional rigidity and a clean aesthetic appearance. Their equal wall thickness on all four sides provides uniform strength in all directions, making them ideal for columns, frames and structural supports where loading direction is uncertain.
M.S. Square Pipes – Common Size & Wall Thickness Chart
- Small sections: 10×10, 12×12, 16×16, 19×19, 20×20mm — 1.0–2.0mm wall — furniture, light fabrication
- Medium sections: 25×25, 32×32, 38×38, 40×40, 50×50mm — 1.6–3.2mm wall — gates, grilles, frames
- Large sections: 65×65, 75×75, 100×100, 125×125mm — 3.2–6.3mm wall — structural, industrial
- Heavy sections: 150×150, 200×200, 250×250mm — 6.3–12mm wall — heavy structural, machine bases
Why Choose I.S. Engineering Co.?
25+ Years Experience
Manufacturing M.S. Square Pipes (SHS) in Mumbai since 1999. Trusted by 500+ clients across India.
Factory-Direct Pricing
No middlemen. Buy direct from the manufacturer at the most competitive prices in Mumbai.
100% Quality Inspected
Every M.S. Square Pipes (SHS) undergoes dimensional and material inspection before dispatch from our Mumbai factory.
PAN India Delivery
Supplying to Mumbai, Pune, Delhi, Bangalore, Chennai, Hyderabad, Ahmedabad and all major cities across India.
M.S. Square Pipes (SHS) – Dimensional Specifications
| Size (mm) | Wall Thickness (mm) | Wt. per metre (kg/m) | Common Applications |
|---|---|---|---|
| 20×20 | 1.6 / 2.0 | 0.96 / 1.18 | Furniture, light frames |
| 25×25 | 1.6 / 2.0 / 2.5 | 1.22 / 1.50 / 1.84 | Grilles, shelves |
| 40×40 | 2.0 / 2.5 / 3.2 | 2.36 / 2.93 / 3.66 | Gate frames, handrails |
| 50×50 | 2.5 / 3.2 / 4.0 | 3.70 / 4.67 / 5.72 | Gates, fencing, frames |
| 75×75 | 3.2 / 4.0 / 5.0 | 7.18 / 8.89 / 10.9 | Structural columns |
| 100×100 | 4.0 / 5.0 / 6.3 | 12.1 / 14.9 / 18.4 | Heavy structural, machine |
| 125×125 | 5.0 / 6.3 / 8.0 | 18.8 / 23.4 / 29.1 | Industrial frames |
| 150×150 | 6.3 / 8.0 / 10.0 | 28.6 / 35.8 / 44.1 | Heavy structural |
| 200×200 | 8.0 / 10.0 / 12.0 | 48.0 / 59.2 / 70.0 | Very heavy structural |
| 250×250 | 10.0 / 12.0 | 74.9 / 89.1 | Columns, heavy machine bases |
* Dimensions are indicative. Custom sizes available on request. Contact I.S. Engineering Co. at +91 83558 15350 for specific sizes, tolerances and full specification sheets.
M.S. Square Pipes (SHS) – Industries & Applications
Structural Fabrication
Primary application. Used as columns, beams and bracing in steel-framed structures, mezzanine floors, industrial sheds and warehouse structures. Uniform wall thickness provides equal strength in all directions.
Gate & Grille Manufacturing
Widely used in gate manufacturing, decorative grilles, window guards and security screens. The clean square profile and sharp corners give gates a professional appearance.
Furniture Manufacturing
Used in table frames, chair legs, shelving systems, display racks and industrial furniture. Small sections (20×20 to 50×50mm) most common in furniture.
Construction
Used in construction for false ceilings, partition frames, cable trays, formwork supports, scaffolding components and general site fabrication.
Vehicle Body Building
Used in truck bodies, trailer chassis, container frames and vehicle structural components where square tube provides rigid, easily-welded structural sections.
Machine Frames & Bases
Used in machine tool frames, conveyor structures, industrial equipment bases and plant infrastructure where the closed hollow section provides rigidity with minimum weight.
M.S. Square Pipes (SHS) – Frequently Asked Questions
What are M.S. Square Pipes (SHS)?
+M.S. Square Hollow Section (SHS) Pipes are hollow structural steel tubes with equal width and height cross-section, manufactured from mild steel to IS:4923 standard. Also called MS Square Tubes or Box Sections. Available in sizes 10×10mm to 250×250mm with wall thickness 1.0mm to 12mm.
What is IS:4923 standard for Square Pipes?
+IS:4923 is the Indian Standard for Hollow Steel Sections for Structural Use. It specifies the dimensional tolerances, mechanical properties, and testing requirements for Square Hollow Sections (SHS) and Rectangular Hollow Sections (RHS) manufactured in India. IS:4923 SHS pipes from I.S. Engineering Co. conform fully to this standard.
What sizes of M.S. Square Pipes are available?
+I.S. Engineering Co. manufactures M.S. Square Pipes in sizes from 10×10mm to 250×250mm with wall thickness 1.0mm to 12mm. Standard lengths available are 3m and 6m. Custom lengths and cut-to-size options are available for bulk orders. Popular sizes in stock: 25×25, 40×40, 50×50, 75×75, 100×100mm.
What is the difference between M.S. Square Pipes and M.S. Round Pipes?
+Square Hollow Sections (SHS) provide equal strength in all directions, have flat surfaces for easy bolting and welding, and offer a cleaner aesthetic — preferred for visible structural work, gates, furniture and machine frames. Round Hollow Sections (RHS/CHS) provide higher torsional strength per unit weight and are preferred for fluid transport, structural columns in circular arrangements and architectural applications.
What surface finishes are available for M.S. Square Pipes?
+M.S. Square Pipes from I.S. Engineering Co. are available in: Black (Bare) — standard mill finish, suitable for painting or priming before use; Painted — with primer or enamel coat; Galvanized (GI) — hot-dip or electro-galvanized for corrosion protection in outdoor or humid environments. Specify your required finish when ordering.
What weight (kg/m) are M.S. Square Pipes?
+The weight per metre of M.S. Square Pipes depends on size and wall thickness. Example weights: 25x25x2mm = 1.50 kg/m; 50x50x3.2mm = 4.67 kg/m; 100x100x5mm = 14.9 kg/m; 150x150x8mm = 35.8 kg/m. Contact I.S. Engineering Co. at +91 83558 15350 for a complete weight chart or for pricing by tonne for bulk orders.
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