- Australian Metal Powders Supplies (AMPS) are the representative in Australia and New Zealand for the total range of Hoganas products. AMPS carries stocks of a broad range of iron powders, metal spray powders (iron, nickel and cobalt based), ferro alloy powders and high purity iron melting flakes in Guildford, New South Wales, also Victoria and Western Australia.www.metalpowders.com.au