Rectangular Hollow Section (RHS)
Rectangular Hollow Sections (RHS) are high-strength structural steel tubes with a rectangular cross-section, manufactured through cold-forming or hot-finished processes. Known for uniform wall thickness, excellent load-bearing capacity, and durability, RHS steel tubes are ideal for structural frameworks, PEB structures, fabrication projects, trusses, and general engineering applications where strength and precision matter.
About Our Rectangular Hollow Section (RHS)
As a trusted trader and supplier, we provide premium-quality Rectangular Hollow Sections (RHS) sourced from reputed and certified manufacturers. These RHS steel tubes are widely used in construction, fabrication, engineering, and architectural applications due to their strength, precision, and clean rectangular profile.
Key Features
- •High structural strength and rigidity
- •Uniform wall thickness with accurate dimensions
- •Excellent weldability and machinability
- •Smooth surface finish suitable for architectural applications
- •Great load distribution for beams and frames
- •Cost-effective for large structural fabrication projects
Applications
- •Building construction & structural frameworks
- •Pre-engineered buildings (PEB) and industrial sheds
- •Columns, beams, and trusses
- •Automotive chassis & engineering components
- •Furniture manufacturing
- •Conveyor systems
Size & Thickness Range
| diameter | thickness | use |
|---|---|---|
| 20×10 – 80×40 mm | 1.0mm – 4.0mm | Furniture, light fabrication, gates |
| 50×25 – 150×100 mm | 2.0mm – 8.0mm | Structural framing, supports, engineering applications |
| 200×100 – 400×200 mm | 4.0mm – 12.5mm | Industrial sheds, columns, heavy structural projects |
Manufacturing Process
Our Rectangular Hollow Sections (RHS) are sourced from top-grade manufacturers that follow advanced and standardized production processes. High-quality steel coils are slit and formed through a series of precision rollers to achieve the rectangular shape. The edges are welded using ERW or HF welding technology, creating a uniform and strong weld seam. After welding, the tubes undergo sizing, straightening, and calibration to ensure accurate dimensions and clean rectangular geometry. Each RHS tube is then subjected to strict testing—such as flattening tests, tensile strength tests, hydrotesting, NDT, and dimensional inspection—to ensure superior strength, durability, and structural performance. Tubes are finally cut to standard or custom lengths and finished with black, painted, or galvanized coatings depending on application needs. As trusted RHS suppliers, we ensure consistent quality suitable for both light and heavy-duty structural and fabrication applications.
RHS vs SHS vs CHS
| Aspect | RHS (Rectangular) | SHS (Square) |
|---|---|---|
| Shape | Rectangular | Square |
| Strength Distribution | High directional strength | Uniform strength |
| Best Use | Beams, columns, structures | Frames, supports |
| Surface Area | Higher in one direction | Balanced in all sides |
| Applications | Construction, PEB, fabrication | Furniture, engineering, supports |
Quality Tests Performed
- Tensile Strength Testing
- Yield Strength Verification
- Flattening & Bend Tests
- Weld Seam Integrity Test
- Dimensional Accuracy Test
Frequently Asked Questions
What is a Rectangular Hollow Section (RHS)?▼
RHS is a hollow structural steel tube with a rectangular cross-section, widely used in construction, fabrication, and engineering due to its high strength and uniform shape.
What are RHS steel tubes used for?▼
They are used in structural frameworks, industrial sheds, trusses, PEB structures, furniture, automotive frames, gates, railings, and general fabrication.
What standards do your RHS products follow?▼
Our RHS tubes comply with IS 4923, ASTM A500, EN 10219, ensuring high structural performance and consistent quality.
Is RHS stronger than round pipes?▼
Yes, Rectangular Hollow Sections provide better directional strength and load distribution, making them ideal for beams, frames, and structural works.
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