31311675yield strengthPT2026-03-30 20:23:58UF31311676elastic limitNDUF31311677limit, elasticNDUF31311678point, yieldNDUF31311679strength, yieldNDUF31311680stress, yieldNDUF31311681yield pointNDUF31311682yield stressNDBT31301283mechanical strengthPT