ISO 3271:1975
Iron ores — Determination of tumbler strength

Standard No.

ISO 3271:1975

Release Date

1975

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 3271:1985

Latest

ISO 3271:2015

ISO 3271:1975 history

• 2015 ISO 3271:2015 Iron ores for blast furnace and direct reduction feedstocks - Determination of the tumble and abrasion indices
• 2007 ISO 3271:2007 Iron ores for blast furnace and direct reduction feedstocks - Determination of the tumble and abrasion indices
• 1995 ISO 3271:1995 Iron ores - Determination of tumble strength
• 1985 ISO 3271:1985 Iron ores; Determination of tumbler strength
• 1975 ISO 3271:1975 Iron ores — Determination of tumbler strength