90.93 Standard confirmed Jul 23, 2020
ISO
ISO/TC 132 Ferroalloys
International Standard
77.100 Ferroalloys
This part of ISO 4552 specifies the methods for sampling and sample preparation for the determination of the chemical composition of a consignment of the listed ferroalloys. For the purpose of sampling, ferrochromium is subdivided into non-crushable and crushable alloys.
PUBLISHED
ISO 4552-1:1987
90.93
Standard confirmed
Jul 23, 2020