Hardmetals - Metallographic determination of microstructure - Part 4: Characterisation of Porosity, Carbon Defects and Eta-phase content (ISO/DIS 4499-4:2014); German version prEN ISO 4499-4:2014
Sintered metal materials, excluding hardmetals - Permeable sintered metal materials - Determination of density, oil content and open porosity (ISO 2738:1999)