Fiberglass Square & Rectangular Tubes (FRP)
Pultruded fiberglass square and rectangular tubing (SHS / RHS) from 25×25 mm to 240×240 mm.
Select a catalog section, then add cut lengths, quantity and service requirements.
Closed-section structural tubes
FRP square and rectangular tubes provide closed-section torsional rigidity for columns, trusses, and frame structures. Multi-axial reinforcement can support transverse demands, while the smooth interior bore allows conduit or cable-enclosure use. Electrical-insulation performance depends on the specified laminate, moisture and contamination exposure, joints and any metal hardware.
Fiberglass square and rectangular tube sizes
Dimensions are nominal millimetres; approximate decimal inches appear below each value. Converted values are references, not separate inch-size tooling or tolerances. Catalog dimensions identify standard section options, not live inventory. Confirm tooling, material, quantity and production timing in the quotation.
| Model | H (mm) | B (mm) | Wall (mm) | Weight (kg/m) | Select |
|---|---|---|---|---|---|
| SHS 25×25×3.2 | 25≈ 0.984 in | 25≈ 0.984 in | 3.2≈ 0.126 in | 0.4 | Quote this size → |
| SHS 38×38×4.8 | 38≈ 1.496 in | 38≈ 1.496 in | 4.8≈ 0.189 in | 0.9 | Quote this size → |
| RHS 40×20×7 | 40≈ 1.575 in | 20≈ 0.787 in | 7≈ 0.276 in | 1.0 | Quote this size → |
| RHS 40×25×8 | 40≈ 1.575 in | 25≈ 0.984 in | 8≈ 0.315 in | 1.2 | Quote this size → |
| SHS 50×50×5 | 50≈ 1.969 in | 50≈ 1.969 in | 5≈ 0.197 in | 1.4 | Quote this size → |
| SHS 60×60×5 | 60≈ 2.362 in | 60≈ 2.362 in | 5≈ 0.197 in | 1.7 | Quote this size → |
| SHS 75×75×6 | 75≈ 2.953 in | 75≈ 2.953 in | 6≈ 0.236 in | 2.5 | Quote this size → |
| RHS 80×60×5 | 80≈ 3.150 in | 60≈ 2.362 in | 5≈ 0.197 in | 2.0 | Quote this size → |
| SHS 100×100×6 | 100≈ 3.937 in | 100≈ 3.937 in | 6≈ 0.236 in | 3.5 | Quote this size → |
| SHS 100×100×8 | 100≈ 3.937 in | 100≈ 3.937 in | 8≈ 0.315 in | 4.5 | Quote this size → |
| RHS 100×60×8 | 100≈ 3.937 in | 60≈ 2.362 in | 8≈ 0.315 in | 3.6 | Quote this size → |
| SHS 114×114×6 | 114≈ 4.488 in | 114≈ 4.488 in | 6≈ 0.236 in | 4.0 | Quote this size → |
| SHS 114×114×8 | 114≈ 4.488 in | 114≈ 4.488 in | 8≈ 0.315 in | 5.2 | Quote this size → |
| SHS 120×120×8 | 120≈ 4.724 in | 120≈ 4.724 in | 8≈ 0.315 in | 5.6 | Quote this size → |
| RHS 120×60×5 | 120≈ 4.724 in | 60≈ 2.362 in | 5≈ 0.197 in | 2.6 | Quote this size → |
| SHS 132×132×9.5 | 132≈ 5.197 in | 132≈ 5.197 in | 9.5≈ 0.374 in | 7.0 | Quote this size → |
| SHS 152×152×9.5 | 152≈ 5.984 in | 152≈ 5.984 in | 9.5≈ 0.374 in | 8.2 | Quote this size → |
| SHS 160×160×8 | 160≈ 6.299 in | 160≈ 6.299 in | 8≈ 0.315 in | 7.4 | Quote this size → |
| SHS 200×200×10 | 200≈ 7.874 in | 200≈ 7.874 in | 10≈ 0.394 in | 11.6 | Quote this size → |
| SHS 240×240×12 | 240≈ 9.449 in | 240≈ 9.449 in | 12≈ 0.472 in | 16.8 | Quote this size → |
Need a different size or an exact inch dimension? Send a custom section drawing.
Ordering pultruded fiberglass tubing
Cut lengths & tolerances
Specify length per piece, piece count, dimensional tolerances and any drilling or end cuts. Exact inch dimensions should be stated on the drawing.
Resin & surface
Polyester and vinyl ester are material options. State chemicals, concentration, temperature, outdoor exposure, color and fire requirements so we can review the laminate and finish.
Quantity & samples
Send the trial quantity and expected repeat demand. Minimum production quantity, tooling and sample arrangements are confirmed for the selected section and material.
Packing & delivery
Include the destination and target date. Confirm bundle or part protection, transport length, production timing and shipping terms in the quotation.
Related FRP profiles
Frequently Asked Questions
Can I order fiberglass tubing cut to length?
Include finished length per piece, piece count, end cuts or holes, and tolerances with your selected section. We review the cutting and machining scope, material and packing before confirming the quotation. Catalog dimensions are section options, not a live stock list.
What is the minimum order quantity and lead time?
Minimum quantity and timing are confirmed for the section, resin, tooling and processing required. Send your trial quantity, expected repeat demand, destination and target date. Ask for sample arrangements and production and shipping timing to be listed separately in the quotation.
What is the advantage of FRP square tubes over open profiles?
Closed-section square tubes deliver superior torsional rigidity compared to I-beams or channels, making them ideal for columns, trusses, and structures that resist combined bending and torsion. The smooth interior bore also allows use as conduits or cable enclosures.
Are rectangular hollow sections (RHS) available?
Yes. The catalog includes rectangular hollow sections such as 80×60, 100×60 and 120×60 mm alongside square sections. Confirm tooling, material, production quantity and timing in your quotation. Send a drawing for a custom rectangular size.
From selection to a project quotation
Catalog dimensions identify standard section options, not live inventory. Confirm tooling, material, quantity and production timing in the quotation.
1. Check the application
Platform components and design inputsCheck section properties and preliminary response2. Review supporting evidence
FRP profile design manual and scopeFactory access staircaseConfirm that the document and project match your proposed product.
3. Send the specification
Include the drawing, resin or environment, loads, quantity and destination.
Request a specification reviewNeed engineering data or a quotation for square tube profiles?
Send the dimensions, quantity, service environment, and destination. We acknowledge requirements within one business day.