Specifies requirements and dimensions for circular, plate blank, boss, integrally cast or forged and welding-neck type flanges or nominal sizes DN 15 to DN 3000 and their bolting for use on pipes, valves and fittings and other pressure-retaining equipment containing fluid at pressures up to 19300 kPa and at temperatures in the range -200¿¿C to +525¿¿C. Flanges in carbon steel, carbon-manganese steel, low-alloy steel, stainless steel, grey iron, malleable iron, ductile cast iron or copper alloy, together with relevant material specifications are included. This Standard is applicable to flanges for water, steam, compressed air, chemical and petroleum plants, hydraulic piping and where other Standards require compliance with this Standard. Recommendations on the selection of bolting and method of making flanged joints are included. This Standard is not intended to apply to flanges for water or waste water covered by AS 4087.RECONFIRMATION NOTICETechnical Committee ME-001 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 13 October 2015.The following are represented on Technical Committee ME-001:Australasian Corrosion AssociationAustralasian Institute of Engineer SurveyorsAustralian Aluminium CouncilAustralian Building Codes BoardAustralian Chamber of Commerce and IndustryAustralian Industry GroupAustralian Institute for the Certification of Inspection PersonnelAustralian Institute of EnergyAustralian Institute of PetroleumBureau of Steel Manufacturers of AustraliaDepartment of Justice and Attorney General (QLD)Electricity Engineers Association (New Zealand)Energy Networks AssociationEngineers AustraliaInstitution of Professional Engineers New ZealandMaterials AustraliaNational Association of Testing Authorities AustraliaNew Zealand Heavy Engineering Research AssociationNew Zealand Manufacturers and Exporters AssociationSafeWork NSWWelding Technology Institute of AustraliaWorksafe Division, Department of Commerce, Western AustraliaWorksafe New ZealandWorkSafe Victoria