Aluminum Truss 12m Span 40 Pieces: A Buyer's Guide to Specs and Loads

August 27, 2026

When planning a stage, exhibition, or event structure, a 12-meter span is a common requirement. If you're considering an aluminum truss 12m span 40 pieces, you need to understand the specifications and load capacities to ensure safety and performance. This guide breaks down the key factors, referencing real product data from our factory.

Why 40 Pieces for a 12-Meter Span?

A 12-meter span typically requires multiple truss sections connected end-to-end. With standard section lengths of 1, 2, 3, or 4 meters, 40 pieces can be configured in various ways. For example, using 10 pieces of 3-meter truss (10 x 3m = 30m) would cover two 12-meter spans with some extra, or you might use a combination of lengths to achieve the exact layout. The number 40 suggests a substantial project, possibly involving multiple spans, towers, or a complex grid.

Key Specifications to Consider

All our truss models are made from 6082/6061-T6 aluminum alloy, known for its strength and durability. The main tubes are typically 50x3mm, with sub tubes and brace tubes varying by model. For a 12-meter span, the cross-section size and tube thickness are critical. Larger cross-sections like 520x520mm (WRS-52) are designed for longer spans, while smaller ones like 290x290mm (WRS-29) are more suited for shorter spans or lighter loads.

Square Truss Options

Square trusses are versatile and commonly used for stages and exhibitions. Here are the models that can support a 12-meter span:

WRS-52 520x520 Square Truss: This is the only model in our range with a load table that extends to 12 meters. At a 12-meter span, it supports a distributed load of 164 kg/m and a point load of 782 kg. This makes it suitable for medium-duty applications like lighting and sound equipment.
WRS-4060 Square Truss: With a 400x600mm cross-section, this model is tested up to 9 meters. At 9 meters, it supports 210 kg/m distributed and 945 kg point load. For a 12-meter span, you would need to consult engineering calculations or use a larger cross-section.
WRS-40 Square Truss: This 400x400mm truss is tested up to 8 meters, with a distributed load of 176 kg/m at that span. It is not rated for 12 meters.
WRS-30 Square Truss: The 300x300mm model supports up to 6 meters, with a distributed load of 317 kg/m at that span.

Triangle and Ladder Truss

Triangle and ladder trusses are often used for lighting or as decorative elements. They are not typically used for long spans like 12 meters because their load capacities are lower. For example, the WRT-29 Triangle Truss is tested up to 8 meters with a distributed load of 67 kg/m, and the WRF-29 Ladder Truss only up to 6 meters. For a 12-meter span, square truss is the recommended choice.

Understanding Load Tables

Load tables provide two key numbers: distributed load (kg/m) and point load (kg). Distributed load is the total weight evenly spread across the span, while point load is a concentrated weight at a specific point. Always ensure your total load does not exceed the values in the table. For a 12-meter span, the WRS-52 is the only model with tested data, so it is the safest choice.

Use Cases for a 12-Meter Span

A 12-meter span is common for:

Main stage roofs: Supporting lighting, speakers, and LED screens.
Exhibition booths: Creating large, open spaces without interior columns.
Outdoor events: Covering stages or walkways.

For such applications, you might also consider our Dance Floor to complete the stage setup. The dance floor features aluminum edges with anti-slip surface and 45° safe edge, available in sizes like 9150mm100mm22mm.

Sourcing Tips for International Buyers

When sourcing aluminum truss from a factory in China, consider the following:

Certifications: Look for TÜV Rheinland certification and ISO 9001:2015, which we hold. These ensure quality and safety.
Load Test Data: Always request load tables and test reports. Our load tables are TÜV-tested, so you can rely on the numbers.
Customization: Many factories offer custom lengths and finishes. For a 12-meter span, you might need custom sections to fit your exact layout.
Shipping: As a factory-direct supplier, we ship worldwide, but we do not quote shipping times or costs here; contact us for details.

FAQ

Q: Can I use WRS-29 for a 12-meter span? A: No, the WRS-29 load table only goes up to 6 meters. For a 12-meter span, use the WRS-52, which is tested up to 12 meters.

Q: What is the difference between distributed load and point load? A: Distributed load is the weight spread evenly over the entire span (kg/m). Point load is a concentrated weight at a specific location (kg). Both must be within the limits specified in the load table.

Q: Are the load tables TÜV-tested? A: Yes, all load tables provided are TÜV-tested factory data. You can rely on these numbers for your engineering calculations.

Q: Can I get custom lengths for a 12-meter span? A: Yes, we offer standard lengths from 50cm to 400cm, and we can produce custom lengths upon request. Contact us to discuss your specific needs.

For more details, explore our product pages:

By understanding the specs and load capacities, you can confidently plan your 12-meter span with 40 pieces of aluminum truss.