ISO-3271 › Complete Document History
Iron ores for blast furnace and direct reduction feedstocks - Determination of the tumble and abrasion indices

Complete Current Edition:
   5TH EDITION - Determination of the tumble and abrasion indices - Aug. 1, 2015

Obsolete Revision Information:
   4TH EDITION - Determination of the tumble and abrasion indices - Oct. 1, 2007
   3RD EDITION - Determination of the tumble and abrasion indices - Nov. 1, 1995
   2ND EDITION - Determination of the tumble and abrasion indices - Feb. 15, 1985