DX51D+Z is a widely used hot-dip galvanized steel grade specified under the European standard EN 10346. It is a low-carbon, cold-formable steel coated with a layer of zinc to provide enhanced corrosion resistance.
The “DX51D” designation refers to the base steel grade, suitable for cold forming, while the “+Z” indicates a continuous zinc coating applied through hot-dip galvanizing. This grade typically has a minimum yield strength of 140 MPa and good ductility, making it ideal for bending, rolling, and stamping.
The zinc coating acts as both a barrier and a sacrificial layer, protecting the underlying steel from rust in atmospheric environments. DX51D+Z is commonly used in roofing panels, wall cladding, ducting systems, electrical enclosures, and general construction.
Its combination of workability and corrosion protection makes DX51D+Z a standard choice in a wide range of light steel applications.
