ASTM-B209 AMS4027N 6061-T651 Tekanyetso ea lifofanepoleiti ea aluminiume sebelisoa haholo ho etsa matlalo a sefofane, liforeimi tsa li-fuselage, li-girders, rotor, li-propeller, litanka tsa mafura, liphanele tsa lebota le litšiea tsa lisebelisoa tsa ho lulisa, hammoho le mehele ea ho etsa lirokete, liphanele tsa mabota a sepakapaka.