Galvanised Steel
Galvanized steel is a type of steel that has been coated with a layer of zinc to prevent rusting. This process, known as galvanization, significantly enhances the durability and lifespan of steel by protecting it from corrosive elements. The zinc acts as a barrier between the steel and the environment, and even if the surface is scratched, the zinc surrounding the exposed area will still protect the steel by corroding first. Here’s a more detailed look at galvanized steel, including its characteristics and applications.
Quality Guide:
- Zinc coating mass (grams per square metre) – from Z100 (100g/m2) up to Z600 (600g/m2)
- Protective coating – Chromate protected, chromium free and oiled, or untreated
- Surface finish – Minimised spangle, as coated surface (MA); or, Smooth, improved surface (MB); or, Extra Smooth, best quality surface (MC)
- EN 10346: 2006 – Forming/Drawing quality in DX51D up to DX56D
- EN 10346: 2009 – Structural steel in grades S220GD, S280GD, S320GD, S350GD, S390GD, S450GD, S550GD
- EN 10346: 2009 – Micro-alloyed steel in grades HX260LAD+Z, HX300LAD+Z, HX340LAD+Z, HX380LAD+Z, HX420LAD+Z
Where this material is used
Construction
Used extensively in building frames, roofing, siding, handrails, and other architectural components that require durability and resistance to the elements.
Automotive Industry
Employed in making parts that are exposed to harsh conditions, such as undercarriage guards, body panels, and structural components to prevent rust.
Infrastructure
Used in utility and light poles, guard rails, signs, and other public infrastructure components that benefit from the corrosion resistance of galvanized steel.
Agriculture
Applied in the construction of greenhouses, watering systems, barns, and animal enclosures, where the material’s resistance to environmental factors is crucial.
Home Appliances
Galvanized steel is used in appliances like washers, dryers, refrigerators, and freezers, providing rust prevention even in high-moisture environments.
Telecommunication
Used in telecommunication towers, equipment housings, and support structures, where durability and resistance to weather are necessary.
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