Explore our top industrial-grade aluminum profiles optimized for automation, framing, and heavy-duty structural applications.
How modern heavy-duty automation systems leverage the high structural moment of inertia offered by the 40x120 architectural footprint.
Global procurement teams in automotive, semiconductor, and logistics hubs are pivoting towards standardized profiles like the 40 x 120. Standardized modular designs guarantee that multi-country factories can exchange parts, minimize lead times, and eliminate welding operations.
The EI 40x120 profile offers structural characteristics that match light steel tubes but with a 50% decrease in overall weight. This enables significant savings in international shipping, local handling, and reduces the power requirements for dynamic linear motion axes.
Our raw material undergoes stringent testing protocols. Large-scale procurement demands 100% compliance documentation (EN 10204 3.1 certification, RoHS compliance, REACH declarations), securing seamless implementation across highly regulated factories.
Established on the core philosophy of "people-oriented, quality value, technological innovation, and win-win cooperation", Chengdu E&I Aluminum Industry Co., Ltd. excels at researching, engineering, and manufacturing aluminum profiles under high-difficulty, high-precision parameters.
We leverage industrial synergy by collaborating with the National Institute of Nonferrous Metals, giving us access to a world-class technology team specializing in light alloy metallurgy. This guarantees that our profiles, forgings, and castings satisfy the strict specifications of Fortune 500 automotive firms, global aviation lines, and advanced industrial automation integrators.
From modern aluminum profile extrusion to fully automated anodizing and surface-coating processes, E&I delivers an all-inclusive system. We design and install workbenches, heavy structural frames, protective machine guarding systems, cleanrooms, and photovoltaic supports.
Our strict engineering philosophy ensures that every extruded millimeter offers exceptional performance in the field.
We treat our engineering staff as our primary asset, offering continuous professional development and competitive compensation to foster long-term technical excellence.
Every step, from billet casting to structural inspection, is driven by the commitment to maximize efficiency and longevity for our global customer base.
By combining ongoing engineering investments with manufacturing optimization, we design aluminum structural parts that outperform typical steel alternatives in flexibility and weight.
Our roadmap targets positioning E&I among the top tier of aluminum profile solution developers in structural performance and materials engineering.
E&I industrial profiles are engineered according to national high-precision protocols. Featuring a sleek anodized outer shell, they resist weathering, oxidation, and aggressive chemical exposure. T-slot configurations accept drop-in fasteners, ensuring reliable joints and high pull-out resistance under dynamic loads.
We supply modular workbenches, automated machinery enclosures, solar racking, and safety guardrails, offering a comprehensive engineering catalog for modern smart factories.
From microelectronics cleanrooms to automotive assembly lines, discover the role of EI 40x120 structural profiles.
The 40x120 profile is designed for heavy-duty structural applications requiring large load capacities over wide spans. Its aspect ratio (1:3) provides excellent directional resistance against bending moments, making it ideal for heavy-duty linear guide supports and machine gantries.
| Parameter | Value / Description |
|---|---|
| Profile Section Size | 40 mm x 120 mm |
| Core Alloy Grade | 6063-T5 / T6 Aluminum Alloy |
| Surface Treatment | Anodic Oxidation / Electrophoretic Coating |
| Standard Slot Width | 8.2 mm (Optimized for M8 Fasteners) |
| Moment of Inertia (Ix) | ~ 182.4 cm4 |
| Moment of Inertia (Iy) | ~ 24.8 cm4 |
Provides strong mounting structures for welding robots and automated parts feeding systems.
Accommodates safety switches, heavy protective windows, and control panels within cleanrooms.
Acts as structural support beams for linear motion sliders, minimizing deflection under load.
Developing sustainable, high-rigidity structural aluminum alloys to meet global carbon neutrality goals.
We are incorporating certified post-industrial recycled billets into our manufacturing chain, lowering the carbon footprint of our extruded products by up to 60% without compromising structural integrity.
Our engineering laboratory is developing trace element adjustments (such as adding Scandium and Zirconium) to enhance yield strength, helping slim down wall thicknesses while maintaining overall rigidity.
We use automated multi-axis milling machines to implement precise cutting, drilling, and custom milling directly from CAD designs, saving assembly time on site.
Answers to common structural design questions from industrial engineers and procurement teams.
The 40x120 profile provides a high moment of inertia along its major axis (Ix) while maintaining a slim 40mm width. This makes it ideal for unidirectional load applications, such as horizontal conveyors or tall vertical columns, where load forces are concentrated in a single plane. It avoids the unnecessary bulk and cost of an 80x120 or 120x120 profile.
Our extrusions conform to national high-precision standards (GB/T 14846 or equivalent EN 755-9). Straightness tolerance is controlled within 0.3mm per meter, and twist tolerances are restricted to under 0.5 degrees per meter, preventing assembly issues during long-run industrial framing.
Yes. The profile features standard 8mm slots (typically 8.2mm actual opening), which accept all standard T-nuts, hammer nuts, and custom M8/M6 bolts. This makes it compatible with widely available standard accessories.
Our state-of-the-art anodizing line maintains uniform current density and temperature during processing. This produces a consistent oxide layer thickness (typically 10-15 microns) that protects against corrosion and provides a clean satin finish across different production batches.
We provide standard CAD/STEP files for direct import into modeling software. Our engineering team can also assist with static calculations, mechanical loading analysis, and suggest optimal fastening configurations to simplify design work.
Complete list of industrial aluminum extrusions designed for protective barriers, workbenches, and structural frames.
