... and other microelements (Al, Ga, Mo, Co)Good performanceGrade/property(30 MGOe to 52 MGOe)35, 38, 40, 42, 45, 48 ... , 38, 40--- Max working temp. 180°C28, 30, 33, 35, 38--- Max working temp. 200°C28, 30, 33--- Max working temp. 220°CSurface treatment ...