Sintered steel Sint-C 39 normalised

The images show a sintered steel containing Cu, Ni, Mo and C. The density is between 6.4-6.8 g/cm³ according to DIN 30910-4. The microstructure is in the normalised state. The ferrite/pearlite ratio is approx. 1:1 and the hardness is 193 HV0.1. 3 % Nital was used for etching for 15 s.