The core advantage of this product lies in its high cost-performance ratio and standardized production. The hot dip galvanized surface treatment effectively prevents rust in humid outdoor environments, extending the product's service life. The C-shaped cross-sectional design optimizes load-bearing performance and installation convenience, requiring no additional reinforcement to adapt to most conventional panel installations. It conforms to the national general construction standards in China, fitting the usage habits of most decoration construction teams. It solves the pain points of traditional wooden keels such as moisture-induced deformation and flammability, and is lighter than traditional steel keels, reducing manual handling and installation costs.
Made of Q235 low carbon cold-formed steel, this keel has a thickness of 0.6mm and a standard length of 3000mm (10ft). It features a C-shaped cross-section with a flange width of 25mm and a web height of 50mm. The surface is treated with hot dip galvanizing, complying with the GB/T 11981-2008 Chinese national standard. It weighs 0.85kg per meter and has a single-piece load-bearing capacity of up to 800N/m. Pre-installed standard mounting holes are reserved at the interface, compatible with national standard ceiling keel hangers and connectors. The dimensional tolerance is controlled within ±0.2mm, ensuring the overall flatness and stability of the installed structure.
It is mainly applicable to non-load-bearing partitions and ceiling systems in residential homes, apartments, and small shops, compatible with common ceiling panels such as gypsum board, mineral wool board, and calcium silicate board. It can also be used as a support frame for temporary storage shelves, suitable for conventional construction needs in home decoration and small-scale commercial projects, making it one of the most commonly used light steel keel products in the domestic decoration market.
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