The concept of the complete Sawblade Corrosion Cycle (SCC), covering both the operational and non-operational (idling) phase in a working life of a saw has been proposed and a tentative mathematical expression for practical assessment of sawblade deterioration due to combined effects of chemical corrosion and physical wear, established. (SCC) values calculated on that basis confirm that the sawblade weight losses expressed in g/m2/h, are higher then credited and have a considerable influence on the overall performance of the saw and its working life.