Rust-proof Galvanized C-Shaped Steel Purlins
| Place of Origin: | Zhengzhou,China |
|---|---|
| Brand Name: | RUIISTEEL |
| Materials: | Q235, Q355, etc |
| Surface Treatment: | Galvanizing |
| Thickness: | 0.5-3.0mm |
| Section Width: | 40-80mm |
| Section Height: | 80-300mm |
| Certification: | CE, ISO, GB, AISC, SGS, BV |
| Service Life: | Over 50 Years |
| Delivery Time: | 20 Days After Receiving the Deposit |
| Payment: | T/T, L/C |
Product Details
C-shaped steel (C purlin) is a high-efficiency structural profile processed by cold bending. It has a “C”-shaped cross-section with a straight web and symmetrical rolled edges. Due to its excellent load-bearing performance, convenient installation, and high cost-effectiveness, it has become one of the preferred materials for roof purlins, wall beams, supporting frames, and auxiliary load-bearing components in steel structure buildings.
Features of C-shaped steel
Scientific cross-section, excellent stiffness
The rolled edge design of C-section steel significantly improves the bending stiffness and torsional resistance of the cross-section. Under the same self-weight, it can withstand a greater load than ordinary open profiles, making it suitable for conventional purlin arrangements with spans of 6–12 meters.
Flexible processing, convenient hole cutting
Elliptical or round holes can be pre-drilled at any position on the web according to design requirements, facilitating the installation of pipelines, tie rods, or self-tapping screws, reducing on-site secondary processing. The ends can be beveled for mitered or lap joints.
Material Compatibility with Multiple International Standards
Materials selected include Q235B, Q355B, S280GD+Z, S350GD+Z, and S450GD+Z, fully complying with international standards such as GB, EN 10346, ASTM A653, and JIS G3302. Hot-dip galvanizing, aluminized zinc (AZ), pre-painted, or anti-corrosion coatings are available, suitable for various corrosion levels from arid inland areas to high-salt-spray coastal areas (C5 environment).
Standardized Specifications and Complete Accessories
Common cross-sectional heights range from 80mm to 300mm, thicknesses from 1.5mm to 3.0mm, and lengths can be customized to project requirements (generally ≤12m, up to 15m for special cases). Combined with C-shaped steel connectors, diagonal bracing, and double-sided back-to-back composite components, a robust roof and wall cladding system can be constructed.
Lightweight and High-Strength, Highly Efficient Construction
The cold-bending process fully utilizes the yield strength of the steel, resulting in lower steel consumption for the same span compared to hot-rolled channel steel. Its lightweight nature reduces transportation and hoisting costs. Components are connected using self-tapping screws or bolts, enabling rapid installation and significantly shortening the construction period.
Earthquake and Wind Resistance, Safe and Reliable
The C-shaped steel purlin system, through a reasonable arrangement of tie rods and struts, effectively resists wind suction and seismic horizontal forces, meeting the structural safety requirements of international building codes (IBC, Eurocode 3, GB 50017, etc.).
Applications of C-shaped Steel
- Main and secondary purlins for roofs of steel structure factories, warehouses, and logistics centers;
- Horizontal walers for walls of industrial buildings, commercial showrooms, and stadiums;
- Frame support components for prefabricated houses, container houses, and light steel villas;
- Lightweight load-bearing components for the roofs of agricultural greenhouses and livestock sheds;
- Equipment support structures such as photovoltaic brackets, billboard joists, and conveyor supports.
Quality Control and Delivery
We strictly adhere to the ISO 9001:2015 quality management system, and dimensional tolerances conform to EN 1090 or ASTM C955 standards. Material certificates and coating thickness reports are available for each batch of steel. Export-grade packaging, including fumigated or fumigation-free wooden brackets, rainproof wrapping film, and steel strapping, is suitable for long-distance sea, rail, and land transportation.
Technical Value-Added Services
◉ Free load-span selection tables and detailed connection drawings.
◉ Precise hole drilling, corner cutting, and numbering according to customer blueprints.
◉ Auxiliary materials such as self-tapping screws, bolts, struts, and tie rods can be supplied.
◉ Full set of documentation support, including export marks, packing lists, and bills of lading.
C-shaped steel provides an efficient, economical, and standardized linear support solution for light steel construction worldwide.
We earn the long-term trust of global clients through unparalleled efficiency and relentless pursuit of quality excellence.
Production Workshop Display
The company has a modern production base of over 8,000 square meters, equipped with a steel structure welding workshop, two Italian‑imported sandwich panel production lines, three complete house production lines and an intelligent assembly system. The annual steel structure capacity reaches 150,000 tons, with a daily output of 3,000 square meters of high‑end sandwich panels and 200 sets of modular houses.
Product Packaging & Shipping
Our packing and shipping services offer customized, robust transportation solutions for every product category, ensuring your goods arrive safely worldwide. Steel structural components are packed with sturdy steel frames, forming stable transport units that effectively withstand the bumps and pressure of long-distance sea and land transport. Sandwich panels and container houses are fully wrapped with high-quality protective films, providing moisture, dust, and scratch protection while fully preserving the coating and appearance of the panels. We have deep expertise in export logistics; from packing methods to container loading, every step is professionally optimized to provide you with a worry-free and reliable delivery experience.
Why Choose Us?
- Compliance guaranteed: Complete international certifications, compatible with national standards, reducing application and acceptance risks.
- Cost controllable: Chinese supply and prefabricated construction result in overall cost savings of 15%-25%.
- Schedule guaranteed: BIM collaboration and factory prefabrication enable rapid production and a competitive market advantage.
- Reliable quality: Export-grade processes and rigorous testing ensure both structural safety and durability meet standards.
Frequently Ask Questions
Design drawings → Quotation → Confirmed drawings → Purchase order → Purchase order confirmation → 30% deposit payment → Production → Quality inspection → Balance payment → Shipment.
This depends on the order quantity and the complexity of the customization. Generally, for regular order quantities, delivery time is within 30 days after receiving the deposit.
Yes, samples can be provided, but customers need to pay for the sample fee and international express shipping.
You are welcome to send inspectors at any time. Inspections can be arranged not only during container loading but also at any time during the production process.
We are a manufacturing plant with over 120 employees and a factory area of over 10,000 square meters, where you can enjoy the best prices and competitive costs.
Yes, we have over 10 design engineers. They can create complete solution drawings based on your needs. Software they use includes: AutoCAD, PKPM, MTS, 3D3S, Tarch, Tekla Structures (Xsteel) V12.0, etc.
RuiSteel is a company that highly values quality. We hold ISO9001, BV, SGS, and FM certifications.
Yes, we will send you relevant information and photos at different stages of your order's production so you can get the latest updates in a timely manner.
Get A Free Quotet