This standard specifies the requirements, test methods, inspection rules, signs, packaging, transportation and storage of copper and copper alloy seamless finned tubes. This standard applies to copper and copper alloy seamless tubes with integral external spiral fins and internal ribs for heat exchangers.
GB/T 19447-2004 history
2013GB/T 19447-2013 Copper and copper-alloys seamless tubes with integral fins for heat exchanger
2004GB/T 19447-2004 The Copper and copper-alloy seamless tubes with integral fins for heat exchanger