ISO 4552-1 : 1987(R2015)现行
FERROALLOYS - SAMPLING AND SAMPLE PREPARATION FOR CHEMICAL ANALYSIS - FERROCHROMIUM, FERROSILICOCHROMIUM, FERROSILICON, FERROSILICOMANGANESE, FERROMANGANESE
出版：International Organization for Standardization
专家解读视频
This part of ISO 4552 specifies the methods for sampling and sample preparation for the determination of the chemical composition of a consignment of ferrochromium, ferrosilicochromium, ferrosilicon, ferrosilicomanganese or ferromanganese.
NBR NM-ISO 4552-1 : 2000 - Identical
PN ISO 4552-1 : 2005 - Identical
SAC GB/T 4010 : 1994 - Identical
UNI ISO 4552-1 : 1994 - Identical
PN ISO 4552-1 : 2005 - Identical
UNI ISO 4552-1 : 1994 - Identical
SAC GB/T 4010 : 1994 - Identical
NBR NM-ISO 4552-1 : 2000 - Identical
