A deep dive into the structural layout, alloy parameters, and cross-sectional dynamics that define the EI 35 x 80 profile standard.
The 35 x 80 mm profile bridges the gap between light structural brackets and heavy machinery bases. By utilizing a rectangular aspect ratio, it offers excellent resistance to bending along the Y-axis while conserving weight along the X-axis.
Extruded from high-purity AL6063-T5 or AL6061-T6 aluminum alloys. The T5 temper ensures precise mechanical properties, optimal surface finishing, and resistance to environmental stress corrosion cracking under long-term dynamic loading.
Our standard clear or black anodization coats the profile with an oxide barrier thickness of ≥ 10-15μm. This treatment ensures outstanding wear resistance, insulation properties, and a professional aesthetic for cleanroom environments.
| Profile Specification | Alloy & Temper | Weight (kg/m) | Moment of Inertia Ix (cm⁴) | Moment of Inertia Iy (cm⁴) | Slot Width (mm) | Standard Length (mm) |
|---|---|---|---|---|---|---|
| EI 35 x 80 Standard T-Slot | 6063-T5 / 6061-T6 | ~2.45 kg/m | 12.45 | 58.90 | 8.2 mm / 10.2 mm | 6000 / 6020 |
| EI 35 x 80 Heavy-Duty | 6063-T6 | ~2.95 kg/m | 14.80 | 69.20 | 10.2 mm | 6000 |
In line with the business philosophy of "people-oriented, quality value, technological innovation, and win-win cooperation", Chengdu E&I Aluminum Industry Co., Ltd. is dedicated to the research and development and manufacturing of aluminum alloy products with high difficulty, high precision, and high requirements.
The company relies on The National Institute of Nonferrous Metals, drawing upon a professional aluminum alloy technology research and development team in China's light alloy industry. This collaborative foundation allows us to provide customers with overall solutions for aluminum alloy products such as profiles, castings, and forgings. Production and testing equipment guarantee product quality, and excellent professional services create value-for-money commercial value for customers, becoming a strong strategic partner for customers in aluminum alloy products and services. The main customers include the world's top 500 companies such as automobile companies and airlines, and have been widely praised by customers for many years.
Building high-quality foundations, advanced extrusion lines, and comprehensive surface finishing services for global partners.
Chengdu E&I Aluminum Industry Co., Ltd. is based on the business philosophy of people-oriented, quality value, technological innovation, and win-win cooperation. We offer customized design and aluminum profile extrusion production capacity, automatic anodizing, spraying, and other production lines. Furthermore, we provide various aluminum profile structural frames, workbenches, mechanical fences, solar support, assembly lines, storage equipment, automation setups, clean sheds, and more. Our comprehensive design and installation options constitute an elite one-stop service.
The aluminum profiles provided by Chengdu E&I Aluminum Industry Co., Ltd. are produced according to the national high-precision requirements, with exquisite appearance, high finish, strong corrosion resistance and oxidation resistance, easy installation of aluminum profile accessories, anti-loosening and shock resistance, high connection strength, and good general performance.
Industry Ambition
Global Brand Clients
High-Precision Standard
Localized Logistics & Support
The company regards employees as wealth, understands their pursuit, provides them with better development space and competitive salary, and develops together.
Provide customers with outstanding products and services, and create more value for customers.
Continue technology research and development and investment, maintain the leading position and advantages of product technology in the same industry, and provide customers with first-class quality and high value-added products. Innovation is our magic weapon to coordinate and advance management, design, and production.
Cooperate with the company's customers, employees, shareholders, and partners to create value for them, develop together, and achieve win-win results.
Analyzing the shift from heavy structural steel to modular high-strength aluminum extrusions.
Modern factories are transitioning away from welded steel frames. High-precision modular profiles like the 35 X 80 allow rapid prototyping, modular redesigns, and lower transportation weight. From European automotive assembly blocks to North American packaging sites, the 35 x 80 framework standard guarantees flexible reconfiguration.
Industrial aluminum profile manufacturing is scaling toward low-carbon extrusion practices. Aerospace and electric vehicle (EV) production plants heavily adopt T-slot structures, citing recyclability, ease of installation, and structural integrity without the need for thermal treatment or painting.
OEMs require reliable suppliers who can extrude, anodize, and cut parts with micrometer precision. Chengdu E&I satisfies this demand by maintaining extensive stock reserves of 35 x 80 profiles, eliminating lengthy supply chain disruptions and enabling just-in-time (JIT) delivery systems.
Practical implementations of the 35 X 80 profile across automated systems, heavy manufacturing, and engineering setups.
Utilized as the fundamental support structure for heavy robotic cells, automated guided vehicle (AGV) tracks, and engine assembly workstations. Its high load-bearing capacity securely holds dynamic machinery without vibrating loose.
With clean, anodized surfaces that prevent outgassing and particle accumulation, the 35 x 80 profile is widely used in semiconductor manufacturing and pharmaceutical cleanroom frameworks, incorporating custom acrylic or polycarbonate panels.
Perfect for constructing secure perimeter fences, machine shields, and factory security barriers. Slot geometry allows easy integration of sensor brackets, emergency stops, and safety light curtains.
Specially customized for outdoor environments. Thanks to superior oxidation resistance, the profiles maintain structural stability when exposed to harsh outdoor weather conditions in solar arrays or smart grid control structures.
How Chengdu E&I Leverages Industrial Clusters, Advanced Materials Research, and Global Logistics Networks.
Operating out of Chengdu, the central manufacturing and logistics hub of Western China, Chengdu E&I Aluminum Industry enjoys direct access to rich raw metal resources, highly specialized mechanical engineering talent, and convenient intercontinental transportation. The Chengdu-Europe Express Railway and proximity to major shipping ports guarantee fast transit times to international destinations.
Our vertical integration—ranging from raw alloy formulation and extrusion die design to modern automatic anodizing, powder coating, and precise CNC machining—keeps production costs optimized. Customers bypass intermediate trading brokers, securing factory-direct pricing with strict, verifiable quality assurance sheets for every batch of 35 x 80 profiles.
Exploring the next generation of modular construction, eco-friendly alloys, and smart assembly integration.
As part of our commitment to green manufacturing, Chengdu E&I is developing production pathways using recycled aluminum alloys. This reduces carbon emissions by up to 70% during the extrusion process without sacrificing tensile properties.
Future engineering parameters include integrated sensor cavities in specialized profiles to measure load shifts, structural deflection, and local vibration in heavy dynamic robotics cells.
Upgrading our CNC processing lines to offer tight cut-to-length tolerances (+/-0.1mm) and strict straightness control to meet the rigid demands of linear guide applications.
Bridging the gap between domestic manufacturing efficiency and rigorous international engineering standards.
All EI 35 x 80 profiles conform to international metrics, including EN 12020-2, ASTM extrusion standards, and CE requirements. RoHS and REACH compliance reports are available upon customer request.
We work hand-in-hand with your design team, utilizing CAD/SolidWorks files to optimize frame dimensions, load configurations, and connection methodologies before production runs.
Apart from standard silver anodizing, we offer electropolishing, powder coating in custom RAL colors, and double-anodizing for environments requiring high resistance to corrosive chemicals.
Find answers to common structural questions, material specifications, and logistics details.
