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1.1 This specification covers standard nominal sizes and size tolerances of screened ferroalloy and alloy additive products. This specification provides a range of sizes as referenced in all ASTM specifications for ferroalloys and alloy additives.
1.2 The sizes and tolerances allow for varying degrees of friability upon receipt of material since some attrition may be expected in transit, storage, and handling.
1.3 Specifications of sieve sizes used to define tolerances are listed in Specification E 11. Representative procedures for evaluation of each lot are described in Methods A 610. Refer to for applicable sieve designations (see ).
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A610 Test Methods for Sampling and Testing Ferroalloys for Determination of Size
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
ICS Number Code 77.100 (Ferroalloys)
UNSPSC Code 11191500(Metal solids )