‌I. Standardized C-Section Steel Profiles for PV Mounting‌ ‌1. Common Model Specifications‌ ‌Height-Based Classification‌: ‌C80 Series‌: Dimensions: 80mm (H) × 40mm (B) × 20mm (C) × 2.0–3.0mm (T). Applications: Low-load rooftop PV arrays (e.g., residential installations with spans ≤4m). ‌C100–C120 Series‌: Example: C100×50×20×2.5 (Weight: 4.71 kg/m). Use: Medium-span carport structures (5–6m spans) or high-wind regions […]