Explore the initial selection of high-load modular aluminum extrusions. Designed to support heavy framework structures, linear guide integrations, and precision-engineered industrial assembly matrices.
In the realm of advanced precision structural framing, the EI Profile 16 X 40 geometry serves as a versatile, low-profile standard for light-to-medium industrial assembly applications. Extruded primarily from high-grade structural aluminum alloys such as 6063-T5 or 6061-T6, these profiles provide an optimized strength-to-weight ratio ideal for integration within machine enclosures, testing rigs, electronics housings, and cleanroom frameworks.
The structural anatomy of the 16 X 40 mm profile incorporates specialized longitudinal slots—commonly a 6mm groove width configuration—which allows for secure fastening via M5 or M6 T-nuts and socket head cap screws. By engineering a low height profile of 16mm coupled with a structural width of 40mm, these systems maximize lateral rigidity while conserving physical space inside automated machinery cells.
| Profile Specification Metric | ENI-6-1640 Standard Value | ENI-8-4040 (Ref. Standard) | Test & Evaluation Standard |
|---|---|---|---|
| Nominal Cross-Sectional Dimension | 16 mm × 40 mm | 40 mm × 40 mm | DIN EN 12020-2 |
| Alloy Grade Option | 6063-T5 / 6061-T6 | 6063-T5 / 6061-T6 | GB/T 5237.1-2017 |
| Moment of Inertia Ix | 1.24 cm&sup4; | 9.12 cm&sup4; | ISO 9001 FEA Validation |
| Moment of Inertia Iy | 6.15 cm&sup4; | 9.12 cm&sup4; | ISO 9001 FEA Validation |
| Section Modulus Wx (min) | 1.55 cm³ | 4.56 cm³ | Structural Deflection Analysis |
| Groove Configuration / Slot Width | 6.2 mm (Slot 6) | 8.2 mm (Slot 8) | Calibrated Go/No-Go Gauge |
| Surface Hardness | ≥ 12 Webster (HW) | ≥ 14 Webster (HW) | ASTM B647 |
| Anodizing Treatment Thickness | 12 - 15 μm (Clear Satin) | 15 - 18 μm (Alkali Matt) | ISO 2360 (Eddy Current) |
Our factories deploy advanced Finite Element Analysis (FEA) to pre-engineer static load profiles. This scientific methodology guarantees that when customers integrate the EI Profile 16 X 40 into modular mechanical assemblies, deflection parameters can be mathematically forecast down to a hundredth of a millimeter, avoiding mechanical failures and structural deformation under stress load conditions.
Chengdu E&I Aluminum Industry Co., Ltd. stands at the forefront of China's light alloy fabrication industry. Operating under the fundamental business philosophy of "people-oriented, quality value, technological innovation, and win-win cooperation," the enterprise has dedicated over two decades to the manufacturing, engineering design, and technological advancement of complex, high-precision, and highly customized aluminum alloy structural components.
By partnering with the prestigious National Institute of Nonferrous Metals, Chengdu E&I Aluminum has assembled a highly skilled team of metallurgical experts and precision tooling engineers. This academic-industrial synergy equips us with the capacity to deliver end-to-end industrial solutions. Whether processing customized profile extrusions, precision die castings, or high-tensile forgings, our manufacturing infrastructure is built to guarantee quality value at every link of the supply chain.
Our profiles conform strictly to ultra-high precision tolerances under Chinese national standards and international ISO benchmarks, ensuring seamless accessory integration and modular component fitting.
We serve leading global enterprises, including Fortune Global 500 automotive manufacturers, international aerospace firms, and automated logistics system integrators worldwide.
Our operations deliver an integrated path from mold design, automated profile extrusion, state-of-the-art anodizing, and powder coating lines, to final assembly.
Modern manufacturing is undergoing a critical shift toward flexible, lightweight, and recyclable modular designs. Traditional welded steel structures are increasingly replaced by t-slot aluminum systems due to their rapid prototyping capabilities, zero-welding requirements, and corrosion resistance. The market for products like the EI Profile 16 X 40 is expanding rapidly across industrialized regions in Europe, North America, and East Asia, driven by the growth of smart factory initiatives, electric vehicle (EV) battery assembly lines, and high-throughput warehousing systems.
From a global commercial perspective, regional supply chains demand different material properties. For example, North American aerospace tooling sectors prioritize strict temper compliance and high fatigue strength (specifically in 6061-T6 alloys), while the European automation sector demands thin-wall anodized surfaces (compliant with EN 755 norms) to reduce inertia in high-speed gantries. Chengdu E&I Aluminum Industry addresses these regional variations by utilizing advanced multi-ton extrusion presses and automated control systems to ensure consistent mechanical characteristics across all export markets.
Chengdu E&I Aluminum Industry's solutions extend beyond supplying raw profiles. We engineer functional modular subsystems. Some of our key application frameworks include:
"To become a top three enterprise in China's aluminum alloy fabrication industry, measured by product competitiveness, technological innovation, and engineering strength. We aim to deliver exceptional value to our customers, ensuring our shareholders, employees, and society achieve mutual growth and long-term development."
People-oriented: We view our employees as our most valuable asset. We understand their aspirations, offer path options for career development, and provide competitive salaries to support mutual success.
Quality Value: We aim to deliver reliable, high-performance structural systems, creating sustained industrial value for our partners.
Technological Innovation: We maintain a high level of investment in R&D. Innovation is our primary strategy for maintaining a competitive edge and delivering high-value-added products to our customers.
Win-win Cooperation: We work closely with customers, employees, suppliers, and shareholders to build long-term, mutually beneficial strategic partnerships.
To illustrate the integration of the EI Profile 16 X 40, we examine three localized engineering applications where structural efficiency and precision were critical requirements:
Scenario: A domestic automated logistics firm required lightweight, high-rigidity overhead rail frames for picking robots.
Solution: 16 X 40 profiles configured with Slot 6 connectors allowed engineers to run internal sensor cables within the profile grooves, protecting the wiring and creating a clean, space-saving design.
Scenario: An EV battery manufacturer needed non-conductive, chemically resistant modular racking for thermal test chambers.
Solution: We provided custom-anodized EI 16 X 40 extrusions featuring a 15-micron clear anodic oxide film, preventing electrical grounding and providing resistance to electrolyte outgassing.
Scenario: A semiconductor toolmaker required low-outgassing, particle-free enclosures for cleanroom monitors.
Solution: Using 16 X 40 mm profiles, our design team engineered frame sections that fit flush with polyetherimide panel inserts, minimizing crevices where dust could collect.
At Chengdu E&I Aluminum Industry Co., Ltd., quality control is embedded throughout our manufacturing process. From raw material receipt to chemical composition verification, we trace every extrusion run back to its original billet. Our in-house testing lab works to verify hardness, finish, and structural performance before shipment.
We maintain compliance with key international standards to ensure our products meet the requirements of regulated markets:
By maintaining these standards, we ensure that our industrial modular components function reliably in demanding environments, from automated production lines to precision cleanroom enclosures.
As global industries move toward low-carbon operations, our research efforts focus on sustainable and smart manufacturing. Working with our academic research partners, Chengdu E&I Aluminum Industry is pursuing key development goals over the next five years:
We are scaling production of low-carbon aluminum profiles using post-consumer recycled aluminum, targeting a significant reduction in embodied carbon compared to primary smelting.
We are researching structural health monitoring integrations, testing profiles with embedded optical fibers to monitor stress and load shifts in real-time.
We are developing dry-lubricating, wear-resistant PVD coatings to improve slide performance in cleanroom linear motion setups without requiring external oils.
Review answers to common engineering questions regarding the application and design of our modular aluminum profiles.
Review our second collection of structural profiles. These components are designed for high-stress framing, machine guardrails, and heavy mechanical brackets.
