This second edition cancels and replaces the first edition (ISO 3271:1975), some clauses of which having been technically revised. The method evaluates the resistance to degradation by impact and abrasion by determining the tumbler index and the abrasion index. The method is applicable to sized iron ores and to such iron ore agglomerates as pellets or sinters.
Заменён стандартами:
ISO 3271(1995.11)
Дата введения:
01.02.85
Дата отмены:
01.11.95
Код КГС:
А39
Код ОКСТУ:
0709;0710
Код ОКС(МКС):
73.060.10
Код ОКП:
0709;0710
Нормативные ссылки:
BS 6212-1981, EQV*NF A20-203-1986, EQV*NF ISO 3271(1986/AFNOR), EQV
Ключевые слова:
ABRASION ABRASION NUMBER COHESION COHESION NUMBER IRON ORES NUMBERS SCREENING (SIZING) SIEVE ANALYSIS STRENGTH OF MATERIALS TESTING TESTS