Aluminum Strut Channel
Engineered Framing Systems
Precision-extruded structural aluminum strut channels for MEP installations, data centers, and underground utility tunnels. Deliver 1/3 the weight of steel, zero eddy-current loss, and tensile performance up to 728 MPa.
Standard & Heavy-Duty Aluminum Strut Profiles
Available in solid plain back, continuous slotted back, shallow 41×21mm formats, and back-to-back combination channels for extreme cantilever and beam spans.
41×41 Slotted Strut
The universal standard for MEP cable trays, pipe support trapezes, and HVAC ducting. Features elongated precision slots for M6–M12 bolt adjustments.
- • Dimensions: 41.3 × 41.3 mm (1-5/8" × 1-5/8")
- • Thickness: 2.0mm / 2.5mm / 3.0mm
- • Slot Size: 13.5 × 28mm or 14 × 30mm
41×41 Plain Solid
Continuous solid-backed profile offering maximum torsional stiffness and section modulus for high load-bearing brackets and rigid equipment frames.
- • Dimensions: 41.3 × 41.3 mm
- • High cross-sectional load rating
- • Optimized for welded or bracketed frames
41×21 Shallow Strut
Low-profile channel designed for tight ceiling voids, wall raceways, electrical junction mounting, and lightweight conduit support grids.
- • Dimensions: 41.3 × 20.6 mm (1-5/8" × 13/16")
- • Space-saving compact depth
- • Plain & Slotted variants available
41×82 Combination
Heavy-duty back-to-back pre-assembled or integrated dual channel for long spans, heavy multi-tier pipe racks, and industrial main risers.
- • Dimensions: 41.3 × 82.6 mm
- • Double-sided connection access
- • High bending resistance across long spans
Why Engineers Specify Lonsonstrut Aluminum Strut Systems
Our proprietary alloy formulation replaces traditional heavy carbon steel, reducing structural weight, cutting installation hours, and preventing costly corrosion cycles.
65% Lighter Than Carbon Steel
At roughly one-third the mass of Q235 steel, workers can safely maneuver 6-meter channels overhead with less rigging equipment, minimizing job site injuries and speeding up mechanical rough-ins.
Zero Eddy-Current Heating
Aluminum is non-ferromagnetic. In 220kV power cable tunnels, substations, and high-density data center busways, our strut channels will not produce hysteresis losses or parasitic magnetic heat.
Natural Corrosion Immunity
Forms an instantaneous protective aluminum oxide layer. Resists moisture, salt-spray, underground humidity, and aggressive ambient chemicals without peeling galvanization flakes.
Patented Anti-Slip Locking
Channel return lips interface seamlessly with 3D serrated wedge nuts, yielding up to an 83% boost in longitudinal slip resistance under high dynamic loads and mechanical vibration.
2M Cycle Fatigue Durability
Validated through rigorous two-million-cycle dynamic load fatigue assessments, ensuring zero structural detachment in rail transits, subways, and seismic suspension zones.
Zero Hot-Work on Site
100% modular bolted assembly eliminates on-site hot welding permits, specialized certified welders, and post-weld touch-up sprays, expediting project handover schedules.
Standard Technical Specifications
Custom alloy extrusion tempers (T5, T6, T66), specific cut lengths, and OEM hole patterns are supplied directly from our 100,000-ton capacity manufacturing center.
| Part Code | Section Size (W × H) | Wall Thickness | Slot Pattern | Weight (kg/m) | Standard Length |
|---|---|---|---|---|---|
| LS-AL-4141-S | 41.3 × 41.3 mm (1-5/8" × 1-5/8") | 2.5 mm | 14 × 28 mm Slotted (50mm C-C) | ~1.15 kg/m | 3.0m / 6.0m / 10ft / 20ft |
| LS-AL-4141-P | 41.3 × 41.3 mm (1-5/8" × 1-5/8") | 2.5 mm | Solid Plain Back | ~1.28 kg/m | 3.0m / 6.0m / 10ft / 20ft |
| LS-AL-4141-HD | 41.3 × 41.3 mm (1-5/8" × 1-5/8") | 3.0 mm Heavy-Duty | 14 × 30 mm Slotted | ~1.42 kg/m | 3.0m / 6.0m / 10ft / 20ft |
| LS-AL-4121-S | 41.3 × 20.6 mm (1-5/8" × 13/16") | 2.0 mm / 2.5 mm | 14 × 28 mm Slotted | ~0.78 kg/m | 3.0m / 6.0m / 10ft / 20ft |
| LS-AL-4182-BB | 41.3 × 82.6 mm (1-5/8" × 3-1/4") | 2.5 mm Back-to-Back | Dual Slot or Plain | ~2.35 kg/m | 3.0m / 6.0m / Custom |
Available Finishes
Anodized (Clear / Black 15µm–25µm), Mill Finish (Extruded), Powder Coated, or Fluorocarbon PVDF for extreme coastal & industrial sites.
Fastener Matching
Full line of stainless steel (SS304/SS316), hot-dip galvanized, or aluminum alloy channel nuts, spring nuts, and T-bolts.
Custom Processing
CNC length cutting, custom hole patterns, deburring, laser batch marking, sub-assembly kitting, and container palletization.
Complete System Compatibility
Eliminate supplier fragmentation. Lonsonstrut provides complete brackets, clamps, concrete inserts, and hardware matched specifically to our aluminum channel geometry.
Channel Nuts & Spring Nuts
Anti-slip serrated grooves that bite into aluminum strut lips. Available in M6, M8, M10, M12, 1/4", 3/8", 1/2" with long spring, short spring, or no spring.
Cantilever Arms & Wall Brackets
Factory welded or bolted cantilever brackets (150mm–1000mm length) for supporting multi-layer cable trays and piping against concrete walls and steel columns.
Pipe Clamps & Supports
Two-piece strut pipe clamps, rubber-insulated acoustic clamps, and U-bolts engineered to lock into 41mm strut channels for HVAC, water supply, and gas piping.
Beam Clamps & Purlin Clips
Connect strut channels directly to structural I-beams and H-beams without field drilling or welding, preserving the structural integrity of the steel structure.
Concrete Insert Channels
Pre-cast concrete channels with rear anchor lugs for cast-in placement, preventing post-drilling damage to rebar and ensuring high pull-out safety factors.
Strut Fittings & Flat Plates
90-degree corner brackets, T-plates, cross plates, base plates, and adjustable pivot fittings manufactured with accurate 14mm hole centers.
Engineered for Critical Applications
Lonsonstrut high-strength aluminum channels are proven in national mega-infrastructure projects, metro rail lines, high-voltage power grids, and hyperscale data centers worldwide.
Key Reference Project
Zhengzhou Matougang 220kV Cable Underground Utility Project: Aluminum alloy supports deployed to eliminate high-current magnetic loop heating across 15+ kilometers of tunnel.
Clean, non-dusting overhead busway supports, hot/cold aisle containment framing, and fiber optic cable tray grids.
2M cycle fatigue resistance ensures zero risk under continuous train wind pressure and dynamic track vibration.
Long-term immunity against high relative humidity and underground condensation without maintenance repainting.
Resists aggressive marine salt spray and offshore ambient humidity without premature zinc flaking or red rust.
100,000 Metric Ton Annual Extrusion & Fabrication
Operating from our 133,000 m² (200+ mu) manufacturing base in Zhengzhou, Lonsonstrut integrates aluminum alloy smelting, high-tonnage precision extrusion, automated high-speed CNC punching, and quality inspection under one roof.