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A comprehensive range of circular, square and rectangular access covers manufactured from ductile iron to AS1831 and in full compliance with AS 3996. Covers available with a solid top or recessed and are available in a single part, 2 part, 3 part, trench run, and multipart configurations. Brass and stainless edging are options for aesthetic applications. Fire-rated systems are also available.
Typical applications are on streetscapes, commercial areas, docks and ports, roads and carriageways, wherever access to underground stormwater/sewer systems, electricity and communication enclosures is required.
Grey iron is made when pig iron is melted in small cupola furnaces and poured into moulds to make castings. Containing around 2% - 6% carbon, scrap iron or steel is often added to vary the composition. Ductile iron is produced by adding magnesium to the molten pig iron; when the iron is cast, the carbon forms tiny spherical graphite nodules around the magnesium.
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