Steel Deck- 51-S Structural Decking System is an innovative “W” profile structural decking system. It offers greater economy and design freedom since it is precision engineered, and provides ease of use as well as safety. Its excellent spanning capabilities ensure greater strength and less deflection, specially suitable for construction of composite floor slab. SMARTDEK® 51 panel has a rib depth of 51 mm and provides an effective cover width of 960 mm. Embossments on top of the flange provide excellent mechanical interlocking between steel and concrete. In the assembled state, the profile comprises of intermediate male and female ribs for every interlocking side-lap joint.