This standard specifies the overall dimensions and allowable deviations of processed copper and copper alloy seamless round pipes for general purposes. This standard applies to seamless circular tubing and tubing of processed copper and copper alloys, extruded and drawn, for general industrial use. This standard does not apply to processed copper and copper alloy pipes and welded pipes for special purposes and copper and copper alloy non-circular section pipes for general industrial purposes.
GB/T 16866-1997 history
2006GB/T 16866-2006 Dimensions and tolerances of copper and copper alloy seamless tubes
1997GB/T 16866-1997 Wrought copper and copper alloy seamless round tubes for general purposes--Dimensions and tolerances