Low Price Galvanized Steel c Channel Purlins 75x40x5 Hot Rolled Steel Channel U c Channel

Technical specifications

Customization guide

Adjustable parameters:

• Dimensions: Length/thickness to meet load requirements (e.g., 75x40x5mm as standard)
• Perforation Patterns:孔径/间距定制 (Custom hole diameter/spacing for airflow or weight reduction)
• Surface Treatments:镀锌厚度或涂层类型 (Galvanization thickness or alternative coatings for specific environments)

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With galvanized steel, you can ensure durability in corrosive environments like coastal construction. The perforated design allows for lightweight roofing solutions while maintaining structural integrity. For heavy industrial applications, the Q345 grade provides 20% higher tensile strength than Q235, enabling safer load distribution.

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Supplier's note

1. Technical Breakthroughs:

   • Galvanization: 10–15% thicker zinc coating than industry benchmarks, doubling lifespan in marine environments.
   • Hot Rolled Uniformity: ±1% tolerance ensures seamless integration with prefabricated steel systems.
   • Perforation Flexibility: Custom hole patterns reduce material waste by up to 15% in ventilation-heavy projects.

2. Optimal Version Selection:

   • Base Model: Ideal for general construction (e.g., residential roofing) where cost-efficiency is prioritized.
   • Advanced Model: Suitable for industrial warehouses requiring medium load capacities (e.g., 500kg/m²) and moderate corrosion resistance.
   • Pro Model: Recommended for extreme environments (e.g., offshore platforms) needing triple the industry-standard chemical resistance and bespoke load specifications.

Example Use Case: The Pro Model’s Q345 grade paired with 热浸镀锌涂层 enables safe handling of corrosive chemicals in petrochemical plants, while its perforated design reduces wind load on rooftop structures by 25%.