Steel formwork is a construction system made of steel panels and frames used to mold and support freshly poured concrete until it hardens and gains sufficient strength. It serves as a temporary mold that defines the shape, size, and surface finish of concrete elements such as columns, walls, slabs, beams, and bridges.
Key characteristics of steel formwork include:
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High strength and durability – Steel can withstand high concrete pressure and can be reused many times (often 100+ cycles).
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Precision and smooth finish – Steel panels produce smooth concrete surfaces, often requiring no further plastering.
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Quick assembly and disassembly – Modular steel formwork systems with locking pins or clamps speed up construction.
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Cost-effective for large projects – Although the initial cost is higher than timber or plywood, the long reuse life reduces cost per use.
Common applications include high-rise buildings, tunnels, large-scale housing projects, and infrastructure where consistent quality and speed are required.
