Hot Dipped Galvanized C Purlin
Hot-dipped galvanized C purlins are essential structural components in modern construction, offering unmatched strength and longevity for framing systems. For projects requiring specific load capacities, our C100 C150 C200 Galvanized Purlin series provides a versatile and robust solution. These are part of our comprehensive range of Standard Size Galvanized Steel C Channel products, engineered for consistent performance and easy integration. When weight optimization is critical without sacrificing strength, our Light Gauge Galvanized Steel Purlin offers an ideal balance, reducing structural load while maintaining integrity. For renewable energy installations, our specially designed Galvanized C Purlin for Solar Mounting ensures a secure, durable, and corrosion-resistant framework capable of withstanding decades of environmental exposure.
Every Hot Dipped Galvanized C Purlin we manufacture undergoes a rigorous production process. The hot-dip galvanizing involves immersing the formed steel channel in a bath of molten zinc, creating a metallurgical bond that provides a superior protective coating. This coating is significantly thicker and more durable than electroplated alternatives, offering robust defense against rust and corrosion in harsh environments, including coastal areas with high salinity or industrial zones. The consistent zinc coverage, even on edges and corners, ensures complete protection, making it a reliable choice for long-term structural applications.
Our product range is defined by precise engineering and adherence to international standards. Below are the detailed specifications for our most common sizes. The design allows for excellent load-bearing capacity while minimizing material use, contributing to efficient and cost-effective construction.
Standard Product Specifications
- Material: High-grade structural steel (Q235, Q345 or equivalent grades).
- Galvanizing Coating: Minimum average coating mass of 275 g/m² (Z350), equivalent to a typical coating thickness of 50-85 microns per side.
- Yield Strength: 235 MPa min (Q235) / 345 MPa min (Q345).
- Surface Finish: Smooth, spangled finish characteristic of hot-dip galvanizing.
- Process Standard: Manufactured and galvanized in compliance with ASTM A653, ASTM A123, BS EN 10346, and related standards.
Common Size & Section Properties
| Model (Depth x Width x Thickness) | Sectional Area (cm²) | Unit Weight (kg/m) | Moment of Inertia - Ix (cm⁴) | Section Modulus - Zx (cm³) | Typical Length |
|---|---|---|---|---|---|
| C100 x 50 x 20 x 2.0mm | 4.71 | 3.70 | 91.3 | 18.3 | 6m / 12m (or Custom) |
| C150 x 65 x 20 x 2.5mm | 7.55 | 5.93 | 274.5 | 36.6 | 6m / 12m (or Custom) |
| C200 x 75 x 20 x 3.0mm | 10.58 | 8.31 | 570.8 | 57.1 | 6m / 12m (or Custom) |
| Light Gauge (e.g., C120 x 50 x 1.5mm) | 3.55 | 2.79 | 112.4 | 18.7 | 6m / 12m (or Custom) |
These Hot Dipped Galvanized C Purlins are designed for versatility across numerous applications. Their primary use is as secondary structural elements in metal building systems, providing support for roof and wall cladding. They are equally effective as framing members for mezzanine floors, partition walls, and support structures for HVAC units and piping. The precision punching or slotting options available facilitate easy and secure bolted connections to primary frames and braces, significantly reducing on-site labor time. The combination of high strength-to-weight ratio and exceptional corrosion resistance ensures structural integrity and reduces lifetime maintenance costs, delivering outstanding value for commercial, industrial, and agricultural construction projects.
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