This standard specifies the specification series, requirements, inspection and testing, inspection rules, markings, Packaging, transportation, storage and factory documentation. This standard is applicable to composite pipes used in petroleum, chemical industry, metallurgy, pharmaceuticals, papermaking, shipbuilding and mining, food and other industries with a transmission medium temperature of 0°C to 70°C. It can also be applied to composite pipes in municipal construction and other fields.
HG/T 3706-2003 history
2014HG/T 3706-2014 Perforated steel skeleton polyethylene composite pipes for industry
2004HG/T 3706-2003 Perforated steel skeleton polyethylene composite pipes for industry