The present standard gives a selection of external diameters and thicknesses of tubes according to ISO 2964. These tubes shall be used for conveying fluids such as kerosen, oil, air, etc… for engine application.
AECMA PREN 3987-2007 history
2007AECMA PREN 3987-2007 Aerospace series Test methods for metallic materials ?Constant amplitude force-controlled high cycle fatigue testing Edition P 1