Ningyuan Fastener
Engineered high-tolerance parts designed to seamlessly integrate with our 2.5mm C-Channel steel profiles.
In modern structural engineering, the 2.5mm thick C-Channel steel serves as a fundamental building block. Known widely for its optimized weight-to-strength ratio, this cold-rolled profile is highly valued in civil engineering, solar energy plants, and electrical containment networks globally. As structural designs become more material-efficient under international standards like Eurocode 3 and AISC 360, selecting a precise 2.5mm profile ensures maximum loading efficiency without adding unnecessary weight to support grids.
Across North America, Europe, and the APAC region, the demand for cold-formed steel channels has grown due to the rapid expansion of solar photovoltaic mounts, industrial pipe supports, and modular building frames. A thickness of 2.5mm provides the necessary stiffness to withstand wind and snow loads, while remaining lightweight enough to keep logistics costs manageable. Choosing channels manufactured under strict tolerances ensures long-term performance in demanding engineering environments.
Strategically located in Handan Yongnian—China's recognized fastener capital—we deliver advanced manufacturing capacity directly to international markets.
Handan Ningyuan Fastener Manufacturing Co., Ltd. (formerly known as Jin Langtao), founded in 2005, is situated in Handan Yongnian, the home of Taiji and the fastener capital of China. Over 15 years of continuous dedication to technical innovation, we have grown from a local supplier into a modern, integrated manufacturing enterprise.
Our operations are divided into specialized divisions: a research and development department, a centrally managed production floor, and a global sales team. This structure allows us to handle full-scale manufacturing, custom design work, and international distribution in-house. Our product line includes high-end fastener standard parts, photovoltaic new energy mounting systems, building electromechanical seismic supports, integrated utility pipe gallery support structures, and steel frame connection kits.
By utilizing advanced roll-forming machines and automated punching lines, we maintain tight tolerances on our 2.5mm C-channel steel profiles. The high concentration of steel raw materials and technical expertise in the Yongnian industrial zone allows us to optimize production costs, shorten lead times, and deliver high-quality steel structures to industrial projects worldwide.
Technical parameters for our 2.5mm cold-rolled C-channel profiles, ensuring compliance with global building codes.
| Specification Parameter | Technical Values / Material Standard Details | Engineering Compliance Standard | |
|---|---|---|---|
| Nominal Thickness | 2.5 mm (Tolerance limit: ±0.08 mm) | EN 10162 / ASTM A568 | Compliance Verified |
| Steel Grades | Q235B, Q355B, S235JR, S355JR, Gr.50 (Standard structural grade option) | GB/T 1591 / EN 10025 / ASTM A1011 | High Yield Strength |
| Yield Strength (R_e) | 235 MPa to 355 MPa (Based on steel grade choice) | ISO 6892-1 Mechanical Testing | Standard Load Tested |
| Tensile Strength (R_m) | 360 MPa to 510 MPa | ISO 6892-1 Mechanical Testing | Durable Performance |
| Zinc Coating Options | Pre-galvanized (Z100-Z275, 10-20µm) & Hot-Dip Galvanized (HDG, Avg 85µm / 610g/m²) | EN ISO 1461 / ASTM A123 / EN 10346 | Corrosion Resistant |
| Dimensional Profile Range | Height: 41mm | Width: 21mm, 41mm, 52mm, 62mm, 72mm, 82mm | Customized roll-forming setup | OEM & ODM Flexible |
| Standard Lengths | 3.0m, 5.8m, 6.0m, or customized container layouts | Export container packing optimization | Optimized Logistics |
From pre-galvanized coils for dry indoor environments to hot-dip galvanized (HDG) finishes designed to withstand harsh outdoor coastal sites, our coatings protect steel against atmospheric rust for decades.
Our production lines offer flexible slot options, including solid back, round holes, continuous long slotted back, and custom spacing, to facilitate fast field installations without on-site cutting or welding.
By cold-forming steel at room temperature, our profiles gain increased yield strength through work hardening. This allows a 2.5mm thickness to deliver loading performance comparable to hot-rolled profiles of greater thickness.
Procuring structural steel from China requires careful verification of quality systems and shipping logistics. At Handan Ningyuan, we simplify this process by offering complete documentation and third-party inspection certificates to meet your project's compliance needs.
Our quality control workflow includes raw material coil analysis, thickness checks during roll forming, punching slot alignment checks, and zinc layer thickness measurements using digital magnetic gauges. Each batch is shipped with Mill Test Certificates (MTC) traceble to the original coil. Additionally, we provide custom packaging, such as seaworthy steel bands, wood block supports, and plastic wrapping, to ensure the profiles arrive undamaged in any international port.
See our production lines in action. This video demonstrates our roll-forming technology, automated punching setups, and quality inspection workflows for fasteners, photovoltaic accessories, and structural steel framing profiles.
Originally established in 2005 as Jin Langtao, our company restructured and expanded in 2016 to better serve international structural steel markets. Today, our 20,000 square meter factory operates over 50 advanced production lines, generating annual sales of 70 million yuan.
Guided by our corporate principle that "development is the direction and hard work is the truth," we supply steel framing components for solar systems, seismic supports, and mechanical pipe galleries. With passed quality audits including weapons and equipment system certifications, ISO9001, RoHS EU testing, and automotive banned substance testing, we provide reliable products and systems to partners worldwide.
Our 2.5mm C-channel steel is used globally in commercial, industrial, and infrastructure projects.
Used as ground mount beams and rooftop purlins. The 2.5mm thickness provides wind and snow load resistance for utility-scale solar farms.
Secures MEP systems, air ducts, fire protection pipes, and cable trays in high-seismic zones to ensure building safety.
Provides a modular support frame for urban utilities, carrying high-voltage lines and water pipelines under long span loads.
Serves as load-bearing wall studs and floor joists in light steel villas, residential structures, and commercial buildings.
A look at our core fasteners, self-drilling screws, and expansion anchors.
Technical answers to help buyers evaluate structural C-channel steel for international projects.
The load capacity of 2.5mm C-channel steel depends on its dimensions (e.g., 41x41mm or 41x21mm), span length, and steel grade (such as Q235B or Q355B). For a standard 41x41x2.5mm channel spanning 1.0 meter under a uniformly distributed load, the maximum allowable load is approximately 4.5 kN to 6.2 kN, assuming a safety factor of 1.5. Our engineering team can provide detailed load tables for specific project setups.
For outdoor solar projects, we recommend a Hot-Dip Galvanized (HDG) coating with a minimum average thickness of 85 microns (610 g/m²), in compliance with ISO 1461. This level of protection offers reliable corrosion resistance for over 25 years. For less aggressive environments or indoor utility tunnels, pre-galvanized coatings (Z275, 275 g/m²) provide a cost-effective alternative with clean aesthetics.
Cold-formed steel channels are rolled at room temperature, which increases their yield strength through work hardening. This method allows thin-gauge channels (such as 2.5mm) to match the load performance of thicker hot-rolled channels while reducing structural weight. Additionally, cold-forming delivers tighter dimensional tolerances and sharper profiles, making it suitable for modular systems and automated assemblies.
Yes. Our production lines feature inline punching dies that produce slots, oval holes, or custom hole patterns to match specific drawings. We can also cut the steel channels to custom lengths (e.g., matching solar module widths) directly on the roll-former to reduce field labor costs.
We maintain complete traceability for all export batches. From chemical composition testing of the raw steel coils to mechanical testing and coating thickness checks, we document each stage of production. Mill Test Certificates (MTC) and QA inspection reports are provided with all shipments to verify compliance with international specifications.
Explore our full line of structural brackets, anchors, and connecting elements.
We maintain a rigorous quality assurance program verified by international standards bodies.
Standard mounting systems, connection clamps, and specialty hardware for heavy-duty support.
Looking for a reliable manufacturer for 2.5mm C-channel steel or structural fasteners? Our sales and technical engineering departments can assist with loaded parameters, corrosion classifications, and shipping options.
Company: Handan Ningyuan Fastener Manufacturing Co., Ltd.
Industrial Zone: Yongnian District, Handan City, Hebei Province, China
Capability Range: OEM C-channel steel framing, standard and custom fasteners, photovoltaic brackets, seismic supports.
We offer free samples for standard products to engineering offices and commercial procurement managers looking to verify build quality, dimensional tolerance, and hot-dip galvanizing quality.