Irin alagbara, irin awo dada dan, ga plasticity, toughness ati darí agbara, acid, ipilẹ gaasi, ojutu ati awọn miiran media ipata.O jẹ irin alloy ti o jẹ sooro si ipata, ṣugbọn kii ṣe sooro patapata si ipata.Irin alagbara, irin platefers to ti oyi, nya ati omi ati awọn miiran alailagbara alabọde ipata ti irin awo, ati acid sooro irin awo ntokasi si acid, alkali, iyo ati awọn miiran kemikali ipata alabọde ipata ti irin awo.