Information Sheets

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Ausferritic Ductile Iron Information Sheet

Ausferritic Ductile Iron

This describes a range of ductile irons with small amounts of nickel, copper or molybdenum added that can be austempered to give hard wear resistant ductile irons.

Ausferritic ductile iron, ausferritic spheroidal cast iron, austempered ductile iron and ADI all refer to the same range of ductile irons.

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Austenitic Cast Iron Information Sheet

Austenitic Cast Iron

This describes a range of cast irons with nickel, and to a lesser extent chromium and copper as the alloying elements. This produces a metallic matrix that is austenitic at ambient temperatures and can be produced either in a flake or spheroidal graphite form.

Austenitic cast iron and Ni Resist refer to the same range of alloyed irons.

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Compacted Graphite Iron Information Sheet

Compacted Graphite Iron

This describes a range of cast irons where the graphite forms round ended flakes rather than sharp flakes or spheres. This gives a range of irons that have toughness with good heat transfer and vibration properties.

Compacted graphite iron, compacted graphite cast iron, vermicular cast iron, compacted graphite (vermicular) iron and CGI all refer to the same range of compacted graphite irons.

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Ductile Cast Iron Information Sheet

Ductile Cast Iron

Ductile iron is an alloy of iron, carbon and silicon that has been melted and poured into a mould to form a shape. The ductility is a result of the carbon forming spheres of graphite in the ferrite/pearlite matrix, rather than the flakes found in grey cast iron. This transformation from a flake to a sphere is achieved by treating the molten iron with magnesium prior to pouring.

Austenitic cast iron and Ni Resist refer to the same range of alloyed irons.

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Grey Cast Iron Information Sheet

Grey Cast Iron

Grey iron is an alloy of iron, carbon and silicon that has been melted and poured into a mould to form a shape. If molten iron is allowed to cool normally the carbon comes out of solution and forms flakes of graphite which run through the ferrite/pearlite matrix.

Cast iron, grey cast iron, gray cast iron, flake graphite iron, flake graphite cast iron and Hematite all refer to the same material.

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Wear Resistant Chrome Iron Information Sheet

Wear Resistant Chrome Iron

Ductile iron is an alloy of iron, carbon and silicon that has been melted and poured into a mould to form a shape. The ductility is a result of the carbon forming spheres of graphite in the ferrite/pearlite matrix, rather than the flakes found in grey cast iron. This transformation from a flake to a sphere is achieved by treating the molten iron with magnesium prior to pouring.

Austenitic cast iron and Ni Resist refer to the same range of alloyed irons.

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