This standard specifies the contract content, requirements, test methods, inspection rules and signs, packaging, transportation, storage, etc. of aluminum and aluminum alloy hot-extruded pipes. This standard applies to aluminum and aluminum alloy hot-extruded seamless round tubes for general industrial use.
GB/T 4437.1-2000 history
2023GB/T 4437.1-2023 Aluminum and aluminum alloy hot extruded tubes Part 1: Seamless round tubes
2015GB/T 4437.1-2015 Aluminium and aluminium alloy extruded tubes.Part 1:Seamless tubes
2000GB/T 4437.1-2000 Aluminium and aluminium alloy extruded tubes-Part 1:Seamless tubes