AS 1697-2005

Specifies materials, design, construction, installation, testing and maintenance requirements for steel piping systems covered by AS 4645, for the distribution of fuel gas suitable for domestic, commercial or industrial uses, where the pressure of the gas is not greater than 1050 kPa and the operating temperature range of the materials is from (30 degrees Celsius to 120 degrees Celsius; or where the hoop stress level is not greater than 20 percent of the specified minimum yield stress of the pipe used in that system.