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  2. Hot-dip galvanization - Wikipedia

    en.wikipedia.org/wiki/Hot-dip_galvanization

    Hot-dip galvanized steel strip (also sometimes loosely referred to as galvanized iron) is extensively used for applications requiring the strength of steel combined with the resistance to corrosion of zinc, such as roofing and walling, safety barriers, handrails, consumer appliances and automotive body parts.

  3. Corrugated galvanised iron - Wikipedia

    en.wikipedia.org/wiki/Corrugated_galvanised_iron

    Corrugated galvanised iron (CGI) or steel, colloquially corrugated iron (near universal), wriggly tin (taken from UK military slang), pailing (in Caribbean English), corrugated sheet metal (in North America), zinc (in Cyprus and Nigeria) or custom orb / corro sheet (Australia), is a building material composed of sheets of hot-dip galvanised ...

  4. Galvanization - Wikipedia

    en.wikipedia.org/wiki/Galvanization

    Galvanized surface with visible spangle Galvanization ( also spelled galvanisation ) [ 1 ] is the process of applying a protective zinc coating to steel or iron , to prevent rusting . The most common method is hot-dip galvanizing , in which the parts are coated by submerging them in a bath of hot, molten zinc.

  5. PPGI - Wikipedia

    en.wikipedia.org/wiki/PPGI

    PPGI is pre-painted galvanised iron, also known as pre-coated steel, coil coated steel, color coated steel etc., typically with a hot dip zinc coated steel substrate.. The term is an extension of GI which is a traditional abbreviation for Galvanized Iron.

  6. Galvannealed - Wikipedia

    en.wikipedia.org/wiki/Galvannealed

    In comparison to a zinc (galvanized) coating galvannealed has better spot weldability, and is paintable, [4] Due to iron present in the surface alloy phase galvanneal develops a reddish patina in moist environments - it is generally used painted. [5] Zinc phosphate coating is a common pre-painting surface treatment. [4]

  7. Galvanic corrosion - Wikipedia

    en.wikipedia.org/wiki/Galvanic_corrosion

    Iron, wrought, gray, or malleable; low alloy and plain carbon steels: −0.85 Aluminium, wrought alloys other than 2000 series aluminium, cast alloys of the silicon type: −0.90 Aluminium, cast alloys (other than silicon type); cadmium, plated and chromate: −0.95 Hot-dip-zinc plate; galvanized steel: −1.20

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