90.93 Standard confirmed Jan 30, 2026
ISO
ISO/TC 119/SC 4 Sampling and testing methods for hardmetals
International Standard
77.160 Powder metallurgy | 77.040.99 Other methods of testing of metals
Published
This document specifies the methods of metallographic determination of the microstructure of hardmetals using photomicrographs.
WITHDRAWN
ISO 4499-1:2008
PUBLISHED
ISO 4499-1:2020
90.93
Standard confirmed
Jan 30, 2026