标准摘要
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.
英文名称Ferroalloys — Sampling and sample preparation for chemical analysis — Part 1: Ferrochromium, ferrosilicochromium, ferrosilicon, ferrosilicomanganese, ferromanganese