Hi Tom,
Thanks for your response. However,it was not an typo. It is the FAT630, stress range of 630MPa at 2 million cycles, which is used for evaluation by notch stress method.
Dear members,
I am evaluating fatigue life of welded joint of sheet metal (t=1.5-2mm), and I refer to the IIW Recommendation for fatigue assessment of welded structures by notch stress analysis, IIW-2006-09, where it states that when Von Mises stress is used, a corresponding smaller FAT class...