ISO 4701:2019 PDF

Scope: This document specifies the methods to be employed for determination of size distributions by sieving of iron ore and direct reduced iron (excluding briquetted iron), utilizing sieves having aperture sizes of 36 µm or larger. The size distribution is expressed in terms of mass and percentage mass, passed or retained on selected sieves. The purpose of this document is to provide a basis for any testing of iron ore and direct reduced iron involving size determination for use by contracting parties in the sale and purchase of these materials. When this document is used for comparative purposes, the concerned parties will agree on the selection of the detailed method to be employed in order to eliminate sources of subsequent controversy.

ISO 4701:2019 Referenced Document

ISO 10835:2007 Direct reduced iron and hot briquetted iron - Sampling and sample preparation
ISO 11323 Iron ore and direct reduced iron - Vocabulary
ISO 2591-1 Test sieving; part 1: methods using test sieves of woven wire cloth and perforated metal plate
ISO 3082 Iron ores - Sampling and sample preparation procedures
ISO 3085 Iron ores — Experimental methods for checking the precision of sampling, sample preparation and measurement*， 2019-08-05 Update
ISO 3086 Iron ores - Experimental methods for checking the bias of sampling
ISO 3310-1 Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth
ISO 3310-2 Test sieves.Technical requirements and testing.Part 2: Test sieves of perforated metal plate
ISO 3852 Iron ores for blast furnace and direct reduction feedstocks - Determination of bulk density
ISO 565 Test sieves; metal wire cloth, perforated metal plate and electroformed sheet; nominal sizes of openings

2019 ISO 4701:2019 Iron ores and direct reduced iron — Determination of size distribution by sieving
2017 ISO 4701:2017 Iron ores and direct reduced iron - Determination of size distribution by sieving
2010 ISO 4701:2008/Cor 1:2010 Iron ores and direct reduced iron - Determination of size distribution by sieving; Technical Corrigendum 1
2008 ISO 4701:2008 Iron ores and direct reduced iron - Determination of size distribution by sieving
1999 ISO 4701:1999 Iron ores - Determination of size distribution by sieving
1985 ISO 4701:1985 Iron ores; Determination of size distribution by sieving