C/Z Steel Purlin
Our cold-formed C/Z steel purlins are precision-manufactured from high-quality galvanized steel coil. These profiles serve as primary structural members in solar mounting systems, steel buildings, and industrial structures. Available in various sizes and thicknesses with pre-punched holes for fast assembly.
Key Facts
- Product:
- C/Z Steel Purlin
- Material:
- Q235/Q355 galvanized steel
- Surface:
- Pre-galvanized (275g/m²) or hot-dip galvanized
- Design life:
- 25 years
- Load ratings:
- Wind 60 m/s · Snow 1.5 kN/m² · −40°C to +85°C
- Applications:
- Solar racking main beams · Steel roof purlins · Wall girts
Cross Section Detail
* Schematic diagram for reference. Actual dimensions confirmed based on project requirements. CAD drawings available upon request.
Technical Parameters
| Material | Q235/Q355 galvanized steel |
| Surface Treatment | Pre-galvanized (275g/m²) or hot-dip galvanized |
| Standard Length | Up to 12m (custom cut available) |
| Design Life | 25 years |
| Wind Load | Up to 60m/s (project specific) |
| Snow Load | Up to 1.5kN/m² (project specific) |
| Temperature Range | -40°C to +85°C |
| Certification | Factory inspection certificates & third-party MA test reports available |
* Load values are reference ranges. Project-specific calculations provided with quotation.
Key Features
Applications
Customization Options
Standard Installation Process
Site Survey
Assess terrain, soil, wind/snow load, and panel layout.
Foundation
Pile driving, concrete footings, or ballast based on site type.
Post & Beam
Install main posts, beams, and purlins per shop drawings.
Module Mounting
Install rails, clamps, and mount PV modules in sequence.
Grounding
Connect grounding lugs, verify continuity, install bonding.
Inspection
Final torque check, alignment verification, and handover.
* Installation guidance provided with every order. On-site technical support available for large projects.
Frequently Asked Questions
What is the C/Z Steel Purlin?+
Cold-formed C and Z section steel purlins for solar racking and steel structures. It is manufactured in Q235/Q355 galvanized steel with Pre-galvanized (275g/m²) or hot-dip galvanized surface treatment, designed for a 25-year service life with wind load capacity up to 60 m/s and snow load up to 1.5 kN/m².
What material is the C/Z Steel Purlin made of?+
The system uses Q235/Q355 galvanized steel with Pre-galvanized (275g/m²) or hot-dip galvanized. This combination is selected for outdoor durability, corrosion resistance and structural strength over the full 25-year design life.
Can the C/Z Steel Purlin be customized for my project?+
Yes. HAOQIN customizes every project: dimensions, load configurations, foundation type, tilt angle and accessories. Send your site conditions and layout for a tailored engineering proposal with load calculations.
Request a Quote for C/Z Purlin
Tell us your project details. We'll respond with configuration and pricing within 24 hours.
