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China C/Z/U Purlins - Lightweight Steel Framing Solutions from Leading Suppliers & Factory
Types of Purlins & Their Advantages
C Purlins (C-Sections)
- Feature a C-shaped cross-section with equal flanges
- Ideal for secondary framing in roofs and walls
- Easy to install and compatible with bolted connections
- Commonly used in light to medium-duty structures
Z Purlins (Z-Sections)
- Designed with a Z-shaped profile for enhanced overlapping capability
- Provide superior load distribution in long-span roofing systems
- Allow for efficient nesting during transport and storage
- Preferred for large industrial and agricultural buildings
U Purlins (U-Channels)
- U-shaped design offers excellent versatility
- Frequently used as edge trim or secondary supports
- Suitable for both vertical and horizontal applications
- Provide clean, finished edges in wall and roof systems
Key Benefits of Steel Purlins
| Benefit | Description |
|---|---|
| High Strength-to-Weight Ratio | Supports heavy loads while reducing structural weight |
| Corrosion Resistance | Often galvanized for long-term durability |
| Cost-Effective | Lower material and installation costs compared to hot-rolled sections |
| Design Flexibility | Compatible with various cladding materials (metal sheets, sandwich panels) |
| Quick Installation | Pre-punched holes simplify assembly |
Common Applications
- ✓ Warehouse and factory roofing systems
- ✓ Agricultural buildings (barns, storage facilities)
- ✓ Commercial complex frameworks
- ✓ Mezzanine floors and secondary support structures
Technical Specifications
| Materials | Typically galvanized steel (G550, G300) |
| Thickness | 1.2mm to 3.0mm |
| Standard lengths | Up to 12 meters (custom lengths available) |
| Load capacities | Designed per project requirements |
Why Choose C, Z, and U Purlins?
These purlins offer an optimal balance of strength, efficiency, and adaptability for modern construction. Whether you need the simplicity of C purlins, the spanning capability of Z purlins, or the versatility of U channels, these components ensure reliable performance while reducing overall project costs.
Company Advantages
Honglu Group, mainly focuses on the manufacturing of high-quality steel structure and the R&D of prefabricated technology.
Steel structure manufacturer
Honglu, a steel structure top manufacturer with daily capacity 15,000+Tons, Effectively Shorten Construction Period And Saving Construction Costs For You.
efficient production
10 Production Sites, 400+ Production Lines, Annual Production Capacity Of Steel Structure 5,000,000+ Tons, Slabs 30,000,000㎡.
High quality service
Experiencing 21 Years, Serving 100,000+ Customers,Take The Lead In Passing ISO9001, ISO14001, OHSAS18001,Certification of European& American Standards.
Rich product chain
Rich Product Chains, One-Stop Service For Steel Structure Projects.
Frequently Asked Questions
Before cooperation, you may have the following questions.
Are you original manufacturer or trading company?
We are original steel structure top manufacturer with daily capacity 15000 Tons. In order to know more of us professionalism and get the best competitive price, please contact the Sales Team to visit our factory.
Is your price competitive compared with other companies?
Our objectives are to give the best price with same quality and the best quality with the same price. We will do everything we can to reduce your cost and guarantee you get the best product that you paid for.
Can you send engineers or whole team to install my project?
We will send detailed installation drawings for free. Or send engineers as installation director or a team upon request.
Do you accept container loading inspection?
Yes, you are welcome to send an inspector, not only for the container loading, but any time during the production time.
What’s your work flow?
Send us Steel Structure Drawing for quotation Sign contract Drawings Deepening and Task Decomposition Production planning and task decomposition Product outbound and shipping Project sealing in archives.
Can you provide architectural and structural design drawings?
Yes, we have the professional design engineers to help clients providing the architectural, structural and detailed drawings for free.