Flat Sections
Flat Section
Engineered for strength and precision, our RHS steel offers unmatched versatility to meet the demands of any construction project.
FLT Steel
Liontek Ltd supplies high-quality FLT steel (flat steel sections) for a wide range of structural applications.
FLT steel is used anywhere a connection between two beams is required. Common uses include base plates, end plates, stiffeners, gussets, tabs, splice plates, and many more.
In some cases, they are welded along the length of a steel beam (top or bottom) to add strength and rigidity.
Flat Sections are specified by their width and thickness, for example: 100 x 20 Flat (both dimensions in mm). When a flat section is cut into smaller pieces, they are commonly referred to as “plates”. Flat sections are also frequently used to reinforce timber joists in flitch beams, where they are bolted to the joist at regular intervals.
Examples of products in our range
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Common applications for Flat Section
Construction and Structural Framing
Flat Sections are commonly used as base plates, gusset plates, and connection components in steel structures, providing essential support and reinforcement where flat, high-strength material is required.
Infrastructure and Engineering Projects
They serve as key elements in bridge components, grating supports, and industrial flooring systems due to their durability and ability to withstand heavy loads in various orientations.
Industrial Machinery and Equipment
Flat Sections are widely applied in the fabrication of machine bases, brackets, levers, and wear plates, offering excellent weldability and precision for custom engineering applications.
Architectural and General Fabrication
These sections are frequently utilized for decorative trims, handrail infills, spacers, and custom metalwork, valued for their smooth surface finish and versatility in architectural detailing.
FLT Steel (Size & Weight Chart)
| No. | Type | Weight [kg/m] | Height [mm] | Width [mm] | Wall thickness [mm] |
|---|---|---|---|---|---|
| 01 | 50 x 25 x 2.5 RHS | 2.7 | 50 | 25 | 2.5 |
| 02 | 50 x 25 x 2.5 RHS | 2.7 | 50 | 25 | 2.5 |
| 03 | 50 x 25 x 3 RHS | 3.2 | 50 | 25 | 3 |
| 04 | 50 x 30 x 2.5 RHS | 2.9 | 50 | 30 | 2.5 |
| 05 | 50 x 30 x 3 RHS | 3.4 | 50 | 30 | 3 |
| 06 | 50 x 30 x 3.2 RHS | 3.6 | 50 | 30 | 3.2 |
| 07 | 50 x 30 x 3.6 RHS | 4.0 | 50 | 30 | 3.6 |
| 08 | 50 x 30 x 4 RHS | 4.4 | 50 | 30 | 4 |
| 09 | 50 x 30 x 5 RHS | 5.3 | 50 | 30 | 5 |
| 10 | 60 x 40 x 2.5 RHS | 3.7 | 60 | 40 | 2.5 |
| 11 | 60 x 40 x 3 RHS | 4.4 | 60 | 40 | 3 |
| 12 | 60 x 40 x 3.2 RHS | 4.6 | 60 | 40 | 3.2 |
| 13 | 60 x 40 x 3.6 RHS | 5.1 | 60 | 40 | 3.6 |
| 14 | 60 x 40 x 4 RHS | 5.6 | 60 | 40 | 4 |
| 15 | 60 x 40 x 5 RHS | 6.9 | 60 | 40 | 5 |
| 16 | 60 x 40 x 6 RHS | 8.0 | 60 | 40 | 6 |
| 17 | 60 x 40 x 6.3 RHS | 8.3 | 60 | 40 | 6.3 |
| 18 | 80 x 40 x 3 RHS | 5.3 | 80 | 40 | 3 |
| 19 | 80 x 40 x 3.2 RHS | 5.6 | 80 | 40 | 3.2 |
| 20 | 80 x 40 x 3.6 RHS | 6.3 | 80 | 40 | 3.6 |
| 21 | 80 x 40 x 4 RHS | 6.9 | 80 | 40 | 4 |
| 22 | 80 x 40 x 5 RHS | 8.4 | 80 | 40 | 5 |
| 23 | 80 x 40 x 6 RHS | 9.9 | 80 | 40 | 6 |
| 24 | 80 x 40 x 6.3 RHS | 10.3 | 80 | 40 | 6.3 |
| 25 | 80 x 40 x 8 RHS | 12.5 | 80 | 40 | 8 |
| 26 | 90 x 50 x 3 RHS | 6.2 | 90 | 50 | 3 |
| 27 | 90 x 50 x 3.2 RHS | 6.6 | 90 | 50 | 3.2 |
| 28 | 90 x 50 x 3.6 RHS | 7.4 | 90 | 50 | 3.6 |
| 29 | 90 x 50 x 4 RHS | 8.2 | 90 | 50 | 4 |
| 30 | 90 x 50 x 5 RHS | 10.0 | 90 | 50 | 5 |
| 31 | 90 x 50 x 6 RHS | 11.8 | 90 | 50 | 6 |
| 32 | 90 x 50 x 6.3 RHS | 12.3 | 90 | 50 | 6.3 |
| 33 | 90 x 50 x 8 RHS | 15.0 | 90 | 50 | 8 |
| 34 | 100 x 50 x 3 RHS | 6.7 | 100 | 50 | 3 |
| 35 | 100 x 50 x 3.2 RHS | 7.1 | 100 | 50 | 3.2 |
| 36 | 100 x 50 x 3.6 RHS | 8.0 | 100 | 50 | 3.6 |
| 37 | 100 x 50 x 4 RHS | 8.8 | 100 | 50 | 4 |
| 38 | 100 x 50 x 5 RHS | 10.8 | 100 | 50 | 5 |
| 39 | 100 x 50 x 6 RHS | 12.7 | 100 | 50 | 6 |
| 40 | 100 x 50 x 6.3 RHS | 13.3 | 100 | 50 | 6.3 |
| 41 | 100 x 50 x 8 RHS | 16.3 | 100 | 50 | 8 |
| 42 | 100 x 60 x 3 RHS | 7.2 | 100 | 60 | 3 |
| 43 | 100 x 60 x 3.2 RHS | 7.6 | 100 | 60 | 3.2 |
| 44 | 100 x 60 x 3.6 RHS | 8.5 | 100 | 60 | 3.6 |
| 45 | 100 x 60 x 4 RHS | 9.4 | 100 | 60 | 4 |
| 46 | 100 x 60 x 5 RHS | 11.6 | 100 | 60 | 5 |
| 47 | 100 x 60 x 6 RHS | 13.6 | 100 | 60 | 6 |
| 48 | 100 x 60 x 6.3 RHS | 14.2 | 100 | 60 | 6.3 |
| 49 | 100 x 60 x 8 RHS | 17.5 | 100 | 60 | 8 |
| 50 | 120 x 60 x 3.6 RHS | 9.7 | 120 | 60 | 3.6 |
| 51 | 120 x 60 x 4 RHS | 10.7 | 120 | 60 | 4 |
| 52 | 120 x 60 x 5 RHS | 13.1 | 120 | 60 | 5 |
| 53 | 120 x 60 x 6 RHS | 15.5 | 120 | 60 | 6 |
| 54 | 120 x 60 x 6.3 RHS | 16.2 | 120 | 60 | 6.3 |
| 55 | 120 x 60 x 8 RHS | 20.1 | 120 | 60 | 8 |
| 56 | 120 x 60 x 10 RHS | 24.6 | 120 | 60 | 10 |
| 57 | 120 x 80 x 3.6 RHS | 10.8 | 120 | 80 | 3.6 |
| 58 | 120 x 80 x 4 RHS | 11.9 | 120 | 80 | 4 |
| 59 | 120 x 80 x 5 RHS | 14.7 | 120 | 80 | 5 |
| 60 | 120 x 80 x 6 RHS | 17.4 | 120 | 80 | 6 |
| 61 | 120 x 100 x 3 RHS | 12.5 | 120 | 100 | 3 |
| 62 | 120 x 100 x 3.2 RHS | 13.1 | 120 | 100 | 3.2 |
| 63 | 120 x 100 x 3.6 RHS | 14.5 | 120 | 100 | 3.6 |
| 64 | 120 x 100 x 4 RHS | 16.0 | 120 | 100 | 4 |
| 65 | 120 x 100 x 5 RHS | 19.5 | 120 | 100 | 5 |
| 66 | 140 x 80 x 3 RHS | 12.7 | 140 | 80 | 3 |
| 67 | 140 x 80 x 3.2 RHS | 13.3 | 140 | 80 | 3.2 |
| 68 | 140 x 80 x 3.6 RHS | 14.6 | 140 | 80 | 3.6 |
| 69 | 140 x 80 x 4 RHS | 16.2 | 140 | 80 | 4 |
| 70 | 140 x 80 x 5 RHS | 19.6 | 140 | 80 | 5 |
| 71 | 150 x 100 x 3 RHS | 15.0 | 150 | 100 | 3 |
| 72 | 150 x 100 x 3.2 RHS | 15.8 | 150 | 100 | 3.2 |
| 73 | 150 x 100 x 3.6 RHS | 17.4 | 150 | 100 | 3.6 |
| 74 | 150 x 100 x 4 RHS | 19.1 | 150 | 100 | 4 |
| 75 | 150 x 100 x 5 RHS | 23.3 | 150 | 100 | 5 |
| 76 | 160 x 80 x 3 RHS | 14.2 | 160 | 80 | 3 |
| 77 | 160 x 80 x 3.2 RHS | 15.0 | 160 | 80 | 3.2 |
| 78 | 160 x 80 x 3.6 RHS | 16.4 | 160 | 80 | 3.6 |
| 79 | 160 x 80 x 4 RHS | 18.2 | 160 | 80 | 4 |
| 80 | 160 x 80 x 5 RHS | 22.0 | 160 | 80 | 5 |
| 81 | 160 x 100 x 3 RHS | 15.9 | 160 | 100 | 3 |
| 82 | 160 x 100 x 3.2 RHS | 16.7 | 160 | 100 | 3.2 |
| 83 | 160 x 100 x 3.6 RHS | 18.3 | 160 | 100 | 3.6 |
| 84 | 160 x 100 x 4 RHS | 20.1 | 160 | 100 | 4 |
| 85 | 160 x 100 x 5 RHS | 24.5 | 160 | 100 | 5 |
| 86 | 160 x 120 x 3 RHS | 17.5 | 160 | 120 | 3 |
| 87 | 160 x 120 x 3.2 RHS | 18.4 | 160 | 120 | 3.2 |
| 88 | 160 x 120 x 3.6 RHS | 20.1 | 160 | 120 | 3.6 |
| 89 | 160 x 120 x 4 RHS | 22.1 | 160 | 120 | 4 |
| 90 | 160 x 120 x 5 RHS | 27.0 | 160 | 120 | 5 |
| 91 | 180 x 100 x 3 RHS | 17.8 | 180 | 100 | 3 |
| 92 | 180 x 100 x 3.2 RHS | 18.7 | 180 | 100 | 3.2 |
| 93 | 180 x 100 x 3.6 RHS | 20.4 | 180 | 100 | 3.6 |
| 94 | 180 x 100 x 4 RHS | 22.4 | 180 | 100 | 4 |
| 95 | 180 x 100 x 5 RHS | 27.2 | 180 | 100 | 5 |
| 96 | 180 x 120 x 3 RHS | 19.5 | 180 | 120 | 3 |
| 97 | 180 x 120 x 3.2 RHS | 20.5 | 180 | 120 | 3.2 |
| 98 | 180 x 120 x 3.6 RHS | 22.4 | 180 | 120 | 3.6 |
| 99 | 180 x 120 x 4 RHS | 24.6 | 180 | 120 | 4 |
| 100 | 180 x 120 x 5 RHS | 29.8 | 180 | 120 | 5 |
| 101 | 200 x 100 x 3 RHS | 19.8 | 200 | 100 | 3 |
| 102 | 200 x 100 x 3.2 RHS | 20.8 | 200 | 100 | 3.2 |
| 103 | 200 x 100 x 3.6 RHS | 22.5 | 200 | 100 | 3.6 |
| 104 | 200 x 100 x 4 RHS | 24.5 | 200 | 100 | 4 |
| 105 | 200 x 100 x 5 RHS | 29.8 | 200 | 100 | 5 |
| 106 | 200 x 120 x 3 RHS | 22.8 | 200 | 120 | 3 |
| 107 | 200 x 120 x 3.2 RHS | 23.8 | 200 | 120 | 3.2 |
| 108 | 200 x 120 x 3.6 RHS | 25.6 | 200 | 120 | 3.6 |
| 109 | 200 x 120 x 4 RHS | 27.8 | 200 | 120 | 4 |
| 110 | 250 x 150 x 3 RHS | 29.5 | 250 | 150 | 3 |
| 111 | 250 x 150 x 3.2 RHS | 30.6 | 250 | 150 | 3.2 |
| 112 | 250 x 150 x 3.6 RHS | 32.5 | 250 | 150 | 3.6 |
| 113 | 250 x 150 x 4 RHS | 35.0 | 250 | 150 | 4 |
| 114 | 250 x 150 x 5 RHS | 40.0 | 250 | 150 | 5 |
| 115 | 250 x 150 x 6 RHS | 45.5 | 250 | 150 | 6 |
| 116 | 250 x 150 x 8 RHS | 58.0 | 250 | 150 | 8 |
| 117 | 250 x 150 x 10 RHS | 70.5 | 250 | 150 | 10 |
| 118 | 250 x 150 x 12 RHS | 83.0 | 250 | 150 | 12 |
| 119 | 300 x 200 x 4 RHS | 60.0 | 300 | 200 | 4 |
| 120 | 300 x 200 x 5 RHS | 70.0 | 300 | 200 | 5 |
| 121 | 300 x 200 x 6 RHS | 84.0 | 300 | 200 | 6 |
| 122 | 300 x 200 x 8 RHS | 100.0 | 300 | 200 | 8 |
| 123 | 350 x 250 x 6 RHS | 110.0 | 350 | 250 | 6 |
| 124 | 350 x 250 x 8 RHS | 130.0 | 350 | 250 | 8 |
| 125 | 350 x 250 x 10 RHS | 150.0 | 350 | 250 | 10 |
| 126 | 400 x 200 x 6 RHS | 120.0 | 400 | 200 | 6 |
| 127 | 400 x 200 x 8 RHS | 145.0 | 400 | 200 | 8 |
| 128 | 450 x 250 x 8 RHS | 155.0 | 450 | 250 | 8 |
| 129 | 450 x 250 x 10 RHS | 180.0 | 450 | 250 | 10 |
| 130 | 500 x 300 x 8 RHS | 190.0 | 500 | 300 | 8 |
| 131 | 500 x 300 x 10 RHS | 220.0 | 500 | 300 | 10 |
| 132 | 500 x 300 x 12 RHS | 250.0 | 500 | 300 | 12 |
| 133 | 500 x 300 x 16 RHS | 300.0 | 500 | 300 | 16 |
Fabrication services available
To simplify installation and reduce site labour, Liontek can provide:
How we work
Request a quotation
Send your dimensions, drawings or project requirements.
Review specifications
Our team prepares a tailored quotation and confirms technical details.
Fabrication and preparation
Materials are processed and prepared to specification.
Nationwide delivery
Your order is delivered directly to site anywhere in the UK.
FAQ
What are Universal Columns used for?
Universal Columns are primarily used as vertical load-bearing members in structural steel construction. They provide excellent strength and stability for steel frames, commercial buildings, warehouses and residential developments.
What is the difference between UC and UB sections?
Universal Columns are designed mainly for vertical load applications and feature a more balanced width-to-depth ratio. Universal Beams are typically used for horizontal load-bearing applications such as floor and roof structures.
Can Universal Columns be cut to length?
Yes. Liontek can supply Universal Columns cut to your required length, helping reduce on-site preparation and installation time.
Are Universal Columns available with fabrication services?
Yes. We offer cutting, drilling, connection plates, base plates and bespoke fabrication services depending on project requirements.
Do you deliver Universal Columns across the UK?
Yes. We provide reliable nationwide delivery for both individual steel sections and bulk project orders.
