Premium architectural extrusions and heavy-duty structural modules optimized for next-generation factory floor automation, mechanical gantries, and precision frames.
In heavy industrial design, balancing load-bearing limits with structural self-weight is a critical challenge. The EI Profile 40 x 160 represents an engineering breakthrough, offering an optimal aspect ratio of 1:4. This geometry is designed for systems subjected to high unidirectional bending moments. By aligning the 160mm major axis parallel to the vector of load application, structures achieve moments of inertia comparable to structural steel while reducing physical weight by up to 60%.
Manufactured from high-grade 6063-T5 or 6061-T6 aluminum alloys, these profiles undergo precise heat treatment to stabilize grain structure, achieving high yield strength and structural hardness. With a slot width typically engineered at 8mm or 10mm, the profile integrates with modular fasteners, enabling rapid assembly of heavy-duty gantries, multi-axis linear actuator guides, and complex automotive test rigs without requiring welding.
Standard anodizing depths of 15 micrometers (AA15) protect the underlying metal from aggressive chemical cleaners, marine humidity, and industrial particulate wear. This layer prevents oxidation and eliminates the peeling risks associated with traditional powder-coated steel.
High-Strength Alloy Base
Moment of Inertia (Iy)
Anodized Coating Thickness
Welding & Painting Required
A leading partner for precision engineering, modular design, and high-difficulty light alloy fabrication projects globally.
Chengdu E&I Aluminum Industry Co., Ltd. operates on a business philosophy built around four pillars: "people-oriented, quality value, technological innovation, and win-win cooperation." The company is dedicated to the research, development, and manufacturing of aluminum alloy products that meet high difficulty, high precision, and strict performance requirements.
By collaborating with the National Institute of Nonferrous Metals, Chengdu E&I has established a professional aluminum alloy technology R&D team in China's light alloy industry. This network enables us to provide customers with comprehensive solutions across profiles, castings, and forgings. Our state-of-the-art extrusion machinery, testing labs, and automatic anodizing and powder-spraying lines ensure high quality. We deliver value-driven commercial systems to our customers, making us a strategic partner in global supply chains.
E&I is a trusted OEM supplier to Fortune 500 companies in the automotive, logistics, and aerospace sectors. Our engineers provide custom solutions, including profile extrusions, CNC machining, structural frames, safety guarding, clean sheds, and solar mounting systems.
Mechanical properties, sectional parameters, and structural tolerance values of the 40x160 extrusion series.
| Technical Metric | Value (Standard Configuration) | Value (Heavy-Duty Configuration) | Unit / Reference Standard |
|---|---|---|---|
| Outer Dimensions | 40.00 x 160.00 | 40.00 x 160.00 | mm (± 0.2mm tolerance) |
| Alloy Grade & Temper | 6063-T5 | 6061-T6 / 6082-T6 | EN 573-3 / EN 755-2 |
| Mass Per Unit Length | ~ 5.12 | ~ 6.38 | kg/m |
| Moment of Inertia (Ix) | 23.50 | 28.90 | cm⁴ |
| Moment of Inertia (Iy) | 284.60 | 332.10 | cm⁴ |
| Section Modulus (Wx) | 11.75 | 14.45 | cm³ |
| Section Modulus (Wy) | 35.58 | 41.51 | cm³ |
| Standard Slot Width | 8.20 | 10.20 | mm (T-Slot configuration) |
| Anodizing Thickness | ≥ 12.00 | ≥ 15.00 (AA15) | µm (Micro-meters) |
How the shift toward modular design is changing international manufacturing, automotive, and logistics infrastructure.
Welded steel requires expert technicians, non-destructive testing (NDT), stress relieving, and painting. Modular T-slot structures assemble using standard mechanical fasteners, reducing on-site labor times by up to 75%.
Modern factories must reconfigure layouts to accommodate changing product designs. T-slot channels allow operators to slide components, add brackets, and scale structures without cutting, burning, or scrap generation.
Aluminum's low density enables profiles to ship knock-down (flat-pack) rather than as pre-welded structures, cutting carbon footprints and freight rates across long-distance distribution pipelines.
How system integrators use the 40x160 profile's structural properties to resolve demanding engineering requirements.
Linear actuators require rigid mounting systems to maintain positional repeatability under high acceleration. The 160mm base of the profile resists twisting, serving as a stable rail support for 3D packaging systems, palletizers, and CNC routing rigs.
Engine block and EV battery pack assembly lines carry heavy components. Using the 40x160 profile as a main frame member ensures the line supports weight with minimal deflection, preserving cleanroom standards.
Traditional steel scales and oxidizes, introducing particulates. Anodized 40x160 aluminum provides clean-room compatibility, serving as structural scaffolding for satellites, commercial optics, and microelectronics.
Utility-scale tracking arrays face variable wind loads. The high torsional stiffness of the 40x160 profile prevents structure twisting, protecting photovoltaic arrays from stress cracks during storms.
AS/RS shuttle rails must maintain straightness over long spans. System designers use the 40x160 extrusion as guide rails, achieving the necessary stiffness without the weight penalty of structural steel.
Assembly workbenches for heavy engines require structural stability. The 40x160 profile forms a solid foundation, allowing height adjustment mechanisms, monitor arms, and pneumatic manifold panels to mount directly into T-slots.
The engineering advancements shaping tomorrow's light-alloy structural extrusions.
As industrial automation evolves, structural materials must adapt to higher speeds and demanding environments. Chengdu E&I Aluminum Industry continuously monitors the intersection of material science and mechanical design to guide our technological development:
Standard anodizing prevents atmospheric corrosion, but specialized settings demand advanced surface properties. E&I is refining specialized coatings to expand application limits:
Turnkey structural blueprints engineered for manufacturing plants, logistics hubs, and processing facilities worldwide.
Fully enclosed guard systems using 40x160 as the base framing. Integrated panels of polycarbonate or wire mesh slot directly into the extrusion channels, protecting personnel from high-speed robotics and automated tooling.
Modular line frameworks designed to transport pallets and heavy parts. T-slot side rails support sensor arrays, pneumatic pushers, and drive assemblies without modification, simplifying assembly line modifications.
Structural support grids for cleanrooms using anodized 40x160 profiles. They support Fan Filter Units (FFUs) without generating particulates or outgassing chemicals, helping maintain clean air classes.
Expert answers to common engineering questions regarding the application, loading, and customization of the 40x160 profile.
Explore more specialized configurations, including high-load brackets, workstation frames, and custom automated line extrusions.