14 3 403 424 13 6 366 404 7 6 170 1 403 416 16 3 382 400 13 6 382 389 9 6 200 1 355 372 18 348 368 13 8 340 359 12 2 220 1 340 351 18 324 344 14 2 301 332 12 4 250 1 268 282 19 250 268 16 1 282 300 14 7 l longitudinal direction parallel to the main form change direction lt long transverse direction parallel to the width direction st short transverse direction parallel to the thickness direction the improved strengths of the alloy according to the invention for example alloy e is clearly evident in tables 2 and 3 for example while the prior known alloy aa 2214 shows good strength values at ambient temperature it does not at higher temperatures moreover the creep resistance and the fracture toughness are markedly better at ambient temperature and at higher temperatures in the claimed alloy compared to the prior known alloys this comparison makes clear that the tested prior known alloys have good properties only with respect to a single strength parameter in no case do the prior alloys have good properties in all relevant strength values at ambient temperature as well as at increased temperatures just as is the case with the fatigue properties the creep resistance of this prior known alloy is not satisfactory very good properties over all tested strength parameters could.