In structural engineering and automated manufacturing, the weight of aluminium section is not merely a logistical specification; it is a foundational factor that dictates deflection margins, loading tolerances, system efficiency, and overall project cost. Chengdu E&I Aluminum Industry Co., Ltd. specializes in engineering high-precision, optimized profiles that minimize weight while maximizing moment of inertia and load capacity.
By leveraging advanced extrusion processes, designers can control the distribution of metal, adding thickness to stress-concentrated areas and reducing it where stress is minimal. This optimization guarantees that frames designed with industrial aluminum sections exhibit a superior strength-to-weight ratio compared to traditional carbon steels. For global sourcing managers, understanding these parameters ensures that precision-engineered systems meet strict safety factors without incurring unnecessary raw material or shipping costs.
Calculating the weight of aluminium sections accurately is key to engineering load-bearing columns, automated assembly lines, and machine frames. Use our verified formula and specification guidelines below.
Weight (kg/m) = Cross-Sectional Area (mm²) × Length (m) × Density (2.7 g/cm³) / 1000
Note: Standard architectural and industrial profiles utilizing 6063-T5 or 6061-T6 aluminum alloys have a theoretical density of approximately 2.7 grams per cubic centimeter. For slot profiles, the presence of T-slots, inner chambers, and bolt-connecting core cavities must be subtracted from the bounding envelope box area to determine the net cross-sectional area.
| Profile Model (Series) | Dimensions (mm) | Slot Width (mm) | Approx. Linear Weight (kg/m) | Primary Industrial Application |
|---|---|---|---|---|
| ENI-6-2080 | 20 x 80 | 6.0 mm | ~1.95 | Lightweight Frame, Automated Table Bases |
| ENI-8-3838 | 38 x 38 | 8.0 mm | ~1.38 | Climber frames, Laboratory workbenches |
| ENI-8-30120 | 30 x 120 | 8.0 mm | ~3.45 | Heavy-duty modular frameworks, Automation line rails |
| ENI-8-4040B | 40 x 40 | 8.0 mm | ~1.75 | Industrial climbing ladders, Workstations, Machine guards |
| ENI-8-40160B | 40 x 160 | 8.0 mm | ~5.12 | Automobile repair shops, heavy storage racking systems |
| E&I-10-4590 | 45 x 90 | 10.0 mm | ~3.98 | High-strength industrial machinery support, Robotic bases |
| ENI-8-5050A | 50 x 50 | 8.0 mm | ~2.85 | Load-bearing columns, structural gantry frames |
| ENI-8-8080W | 80 x 80 | 8.0 mm | ~5.90 | Heavy structures, robot protective fencing, crane gantries |
Consistent with our founding philosophy of "people-oriented, quality value, technological innovation, and win-win cooperation", Chengdu E&I Aluminum Industry Co., Ltd. dedicates its operations to the research, development, and manufacturing of high-difficulty, high-precision, and high-specification aluminum alloy products.
Our strategic reliance on the National Institute of Nonferrous Metals empowers our professional aluminum alloy technology R&D team—consisting of leading materials scientists in China's light alloy sector. This collaborative technical edge enables us to supply customers with comprehensive, overall engineering solutions for premium aluminum alloy profiles, castings, and forgings.
Our production and quality-testing laboratories guarantee precise metallurgical integrity, and our professional industrial services generate value-for-money commercial leverage for our global client base. Over the years, Chengdu E&I has become a trusted strategic partner for top-tier enterprises, including Fortune Global 500 automotive manufacturers and commercial aviation lines.
How our foundational principles drive quality assurance and customer satisfaction globally.
We recognize our employees as our greatest asset. By understanding their aspirations, providing advanced career development spaces, and maintaining competitive remuneration structures, we drive collaborative success.
We provide high-precision industrial aluminum extrusion products that strictly adhere to national standards. By emphasizing dimensional control and surface treatment durability, we maximize long-term client value.
Continuous R&D investments keep us at the forefront of the industry. We coordinate structural design, material sciences, and precision assembly engineering to build systematic core competitiveness.
Building sustainable partnerships with global suppliers, design institutions, and distributors allows us to engineer customized structural solutions that deliver mutual economic growth.
Global businesses looking to optimize their structures source from Chinese manufacturers to capitalize on mature supply chains. Chengdu E&I Aluminum Industry Co., Ltd. builds on this national foundation by introducing high-precision processing technologies:
Chengdu E&I Aluminum Industry Co., Ltd. provides design, aluminum profile extrusion, and automatic surface treatment. We specialize in supplying turnkey industrial systems:
Our high-strength, lightweight profiles address the strict performance requirements of international engineering projects.
In heavy automotive repair environments, tool organization and spare part logistics require dynamic structural stability. Our heavy-duty ENI-8-40160B profile is engineered for high static loads, supporting heavy machinery parts, diagnostic equipment, and fluid containers without structural buckling.
For modern distribution facilities, conveyor paths and dynamic chain-driven lines demand tight dimensional tolerances. Our 2.5 times chain aluminum profiles are designed to minimize wear on moving parts while maintaining rigid alignment over long, unsupported spans.
Using our ENI-8-8080 profiles, engineers design rigid machine fences and robot cells. These enclosures contain physical impacts, protect staff from high-speed movements, and anchor emergency safety interlocks securely into structural frames.
Global businesses face challenges related to material quality, logistics lead times, and regulatory compliance. Chengdu E&I resolves these variables by offering clear documentation and compliance guarantees:
We supply 6063-T5 aluminum alloys that satisfy international structural criteria:
The linear weight (kg/m) is determined by the net cross-sectional area and the alloy's density. Features such as structural wall thickness, external slot profiles, internal reinforcement webs, and center boss sizing determine the actual area, which directly impacts the profile's weight and structural moment of inertia.
We utilize precision-machined H13 steel extrusion dies and maintain strict thermal control across the billet and container. Post-extrusion cooling and automated stretching lines ensure cross-sectional tolerances meet or exceed industrial high-precision requirements (under GB/T 14846 or EN 755-9 standards).
Yes. Our standard profiles receive a clear acid or alkaline-resistant anodization process. For corrosive environments, we recommend a film thickness of 15 to 25 microns (Class I or Class II coatings) to prevent pitting and corrosion over extended exposure.
We offer standard 6mm, 8mm, and 10mm slot widths. This compatibility allows engineers to connect brackets, gussets, and quick-lock fasteners without welding, enabling modular adjustments and updates.
