90.93 Standard confirmed Oct 2, 2023
ISO
ISO/TC 164/SC 3 Hardness testing
International Standard
77.040.10 Mechanical testing of metals
ISO 4545-4:2017 gives a table for the calculation of Knoop hardness values for use in tests carried out in accordance with ISO 4545‑1.
WITHDRAWN
ISO 4545-4:2005
PUBLISHED
ISO 4545-4:2017
90.93
Standard confirmed
Oct 2, 2023
ABANDON
ISO/PWI 4545-4