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EFI corrosion-resistant pregalvanized strut channel steel serves solar mounting fabricators, electrical contractors, and structural steel suppliers with consistent, specification-grade C-channel profiles. Manufactured from Q195/Q235/Q345 steel with Z100-Z275 galvanized coating applied before forming, our channels deliver 3× longer service life in outdoor and high-humidity environments versus post-galvanized alternatives. Available in 21/41/61/82mm sizes with full processing services including bending, welding, punching, and cutting to exact project specifications, with ISO9001, CE, and TÜV certifications for global specification compliance.
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Product Description
The product is available in standard model sizes of 21mm, 41mm, 61mm, and 82mm in width, with corresponding profile series including ES4121, ES4141, ES4162, and ES4182. Double-channel versions (marked with X2) are available for applications requiring higher load capacity. All finished products are subject to dimensional tolerance checks within ±3%.
Each profile series is designed for specific load ranges, with single-channel models suitable for light to medium support tasks and double-channel models for heavy-duty structural applications. The perforated design allows for fast connection with standard clamps, brackets, and fasteners commonly used in industrial installations.
Maximum allowable lateral load varies by model and unbraced height. All load data is retained in its original tested form, presented in the table below for project design reference:
Unbraced Height (mm) | 600 | 750 | 1000 | 1250 | 1500 | 1750 | 2000 | 2500 | 2750 |
|---|---|---|---|---|---|---|---|---|---|
ES4121 (KN) | 9.6 | 8.9 | 7.7 | 6.2 | 5.0 | 4.1 | — | — | — |
ES4121X2 (KN) | 18.7 | 18.1 | 16.9 | 15.6 | 14.1 | 12.5 | 10.9 | 8.5 | 7.5 |
ES4162 (KN) | 20.5 | 19.1 | 16.2 | 13.1 | 11.5 | 10.2 | 9.2 | 8.4 | 7.0 |
ES4141 (KN) | 28.9 | 28.5 | 27.8 | 27.0 | 25.9 | 24.7 | 23.4 | 20.0 | 18.2 |
ES4141X2 (KN) | 15.5 | 14.6 | 13.7 | 12.0 | 10.7 | 9.7 | 8.3 | 7.7 | — |
ES4162X2 (KN) | 38.8 | 38.5 | 37.9 | 27.1 | 36.1 | 34.8 | 33.4 | 29.5 | 27.0 |
ES4182 (KN) | 24.9 | 22.8 | 18.1 | 14.7 | 12.3 | 10.6 | 9.3 | 7.7 | 7.1 |
ES4182X2 (KN) | 35.1 | 34.9 | 34.6 | 34.1 | 33.6 | 32.9 | 32.1 | 30.0 | 27.5 |
The product supports multiple secondary processing services to adapt to project-specific dimensions and installation requirements. All processing is completed in the factory under controlled conditions to maintain coating integrity and structural consistency.
Available processing services include bending, welding, punching, decoiling, and cutting. These services allow the strut channel to be adapted to non-standard lengths, angled connections, and custom mounting hole positions. Custom logo stamping or printing on the channel surface is also available for project tracking purposes.
All standard models feature pre-perforated holes along the channel length. The pre-punched holes align with industry-standard strut channel connection hardware, eliminating the need for on-site drilling and reducing installation labor time. The perforation pattern is designed to maintain structural integrity while enabling flexible component positioning.
In commercial and industrial buildings, the strut channel is used to suspend electrical cables, plumbing pipes, HVAC systems, and mechanical equipment. It is also integrated into building frames, roof support systems, ground support systems, and structural bracing to enhance overall structural stability.
The channel serves as a mounting rail for electrical boxes, conduit systems, and plumbing fixtures in residential, commercial, and industrial spaces. Its uniform profile allows for adjustable positioning of components during installation and maintenance work.
In the automotive industry, the strut channel is used in vehicle frame components, suspension systems, and interior mounting structures, leveraging its structural strength and corrosion resistance for long-term performance in vehicle applications.
The product meets GB standards and EN 10142:2000 for pregalvanized steel. It holds ISO9001 quality management system certification, CE certification, and TUV certification, verifying compliance with international safety and quality requirements for industrial applications.
Each production batch undergoes incoming raw material inspection, coating thickness measurement, dimensional tolerance verification, and load-bearing performance sampling. These checks are conducted at multiple production stages to ensure consistency across all units.
Sample units are available within 3-5 days for pre-order material and dimension verification. Bulk order delivery time ranges from 31 to 45 days, covering production, quality inspection, and shipping preparation. Invoicing is calculated based on actual product weight for transparent cost settlement.
The product is available in Q195, Q235, Q345, SS304, and SS316L steel grades, allowing buyers to select materials based on application strength and corrosion resistance requirements.
Pregalvanized coating (Z100-Z275) is applied before the steel is formed into the C Channel shape, providing uniform corrosion protection across all surfaces. HDG (hot-dipped galvanized) coating, with a thickness of more than 75U, is a thicker option for highly corrosive environments.
Yes. While standard models are produced in 21/41/61/82mm dimensions, processing services including cutting, bending, and welding are available to customize the product to project-specific dimensions and requirements.
Maximum allowable lateral load varies by model and unbraced height. For example, the ES4162X2 model supports up to 38.8KN at an unbraced height of 600mm, suitable for heavy-duty support applications.
Bulk order delivery time ranges from 31 to 45 days. Sample units for pre-order evaluation are available within 3-5 days.
