Objavljen
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.
OBJAVLJEN
ISO 4552-1:1987
90.60
Završetak postupka preispitivanja standarda
3. 12. 2025.
Ferolegure - Uzimanje i priprema uzoraka za hemijsku analizu - Deo 1: Ferohrom, ferosilikohrom, ferosilicijum, ferosilikomangan, feromangan (identičan sa ISO 4552-1:1987)
90.60 Završetak postupka preispitivanja standarda