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Rectangular Hollow Sections

Rectangular Hollow Sections (RHS) offer a highly versatile and structurally sound solution for a wide range of construction and engineering applications. Manufactured to stringent standards and available in a variety of sizes and wall thicknesses, our hollow section rectangular profiles deliver reliable performance for structural frameworks, supports, columns, and welded fabrications.

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Rectangular Hollow Sections (RHS) offer a highly versatile and structurally sound solution for a wide range of construction and engineering applications. Manufactured to stringent standards and available in a variety of sizes and wall thicknesses, our hollow section rectangular profiles deliver reliable performance for structural frameworks, supports, columns, and welded fabrications.

Our rectangular hollow section steel is precision-formed for dimensional accuracy, straightness, and consistent mechanical properties. These RHS profiles are commonly used in both commercial and industrial settings, including infrastructure, architectural frameworks, agricultural equipment, and bespoke steelwork.

At IMS, we stock a wide selection of rectangular hollow sections in various dimensions to suit small- and large-scale projects. With high strength-to-weight ratios, good torsional resistance, and clean lines, our hollow section rectangular profiles are suitable for load-bearing applications where aesthetics and practicality are both key.

All RHS products are available for fast delivery, with cutting and processing options available upon request.

Key benefits

  • Uniform wall thickness and strength across all rectangular hollow sections
  • Strong yet lightweight alternative to traditional solid steel profiles 
  • Clean edges and flat surfaces for simple connection and welding 
  • Suitable for indoor and outdoor applications with the appropriate finish
  • Available in a broad range of sizes for structural or architectural use

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View Rectangular Hollow Sections FAQS

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DESIGNATION PRICE (per/m)
40 x 20 x 2mm from £24.55 inc VAT VIEW
40 x 20 x 3mm from £35.02 inc VAT VIEW
50 x 25 x 2mm from £31.52 inc VAT VIEW
50 x 25 x 2.5mm from £37.94 inc VAT VIEW
50 x 25 x 3mm from £44.92 inc VAT VIEW
50 x 30 x 2.5mm from £40.74 inc VAT VIEW
50 x 30 x 3mm from £48.13 inc VAT VIEW
60 x 30 x 3mm from £54.68 inc VAT VIEW
60 x 40 x 2.5mm from £51.76 inc VAT VIEW
60 x 40 x 3mm from £61.24 inc VAT VIEW
60 x 40 x 4mm from £79.80 inc VAT VIEW
60 x 40 x 5mm from £97.24 inc VAT VIEW
75 x 50 x 3mm from £83.98 inc VAT VIEW
75 x 50 x 5mm from £124.57 inc VAT VIEW
80 x 40 x 2.5mm from £62.35 inc VAT VIEW
80 x 40 x 3mm from £74.50 inc VAT VIEW
80 x 40 x 4mm from £97.24 inc VAT VIEW
80 x 40 x 5mm from £119.14 inc VAT VIEW
90 x 50 x 3mm from £87.61 inc VAT VIEW
90 x 50 x 3.6mm from £104.06 inc VAT VIEW
90 x 50 x 5mm from £140.89 inc VAT VIEW
100 x 50 x 3mm from £94.16 inc VAT VIEW
100 x 50 x 4mm from £123.60 inc VAT VIEW
100 x 50 x 5mm from £152.05 inc VAT VIEW
100 x 50 x 6mm from £186.94 inc VAT VIEW
100 x 60 x 3mm from £100.72 inc VAT VIEW
100 x 60 x 3.6mm from £119.83 inc VAT VIEW
100 x 60 x 5mm from £163.21 inc VAT VIEW
100 x 60 x 6mm from £200.88 inc VAT VIEW
120 x 60 x 3mm from £125.56 inc VAT VIEW
120 x 60 x 3.5mm from £135.60 inc VAT VIEW
120 x 60 x 5mm from £185.53 inc VAT VIEW
120 x 60 x 6mm from £228.78 inc VAT VIEW
120 x 80 x 5mm from £206.46 inc VAT VIEW
120 x 80 x 6mm from £293.04 inc VAT VIEW
120 x 80 x 8mm from £381.29 inc VAT VIEW
150 x 100 x 5mm from £260.87 inc VAT VIEW
150 x 100 x 6mm from £392.94 inc VAT VIEW
150 x 100 x 8mm from £484.51 inc VAT VIEW
150 x 100 x 10mm from £594.41 inc VAT VIEW
160 x 80 x 5mm from £251.10 inc VAT VIEW
160 x 80 x 6mm from £371.29 inc VAT VIEW
160 x 80 x 8mm from £464.53 inc VAT VIEW
200 x 100 x 5mm from £316.67 inc VAT VIEW
200 x 100 x 6mm from £471.19 inc VAT VIEW
200 x 100 x 8mm from £589.42 inc VAT VIEW
200 x 100 x 10mm from £725.94 inc VAT VIEW
200 x 150 x 8mm from £694.31 inc VAT VIEW

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Rectangular Hollow Sections FAQs

What grade of steel is used in rectangular hollow section steel?

Most RHS profiles are manufactured from mild steel such as S235 or S355 grade, depending on the application and structural requirements. Higher grades are available for projects requiring greater tensile strength.

Can rectangular hollow sections be galvanised?

Yes, galvanising is a common option to enhance corrosion resistance—especially for outdoor or exposed environments. We offer pre-galvanised options and can arrange hot-dip galvanising upon request.

How do RHS profiles compare to circular or square hollow sections?

Rectangular hollow sections are often preferred where flat edge alignment or flush fitting is required. They provide a better surface area for joining and offer greater resistance in one axis, which can be beneficial for certain load-bearing designs.

Can rectangular hollow sections be cut to size?

Yes. At IMS, we provide in-house cutting services to deliver RHS to your required dimensions, ready for fabrication or installation.

Are rectangular hollow sections suitable for welding?

Absolutely. RHS is manufactured for excellent weldability and is widely used in welded steel structures. Always ensure compatibility between the steel grade and welding method for optimal results.

Is there a minimum wall thickness for load-bearing applications?

This depends on the specific structural load requirements. For most applications, wall thicknesses of 3mm and above are common, but always refer to an engineer’s specifications to ensure compliance with building codes and load factors.