Published
Establishes the detailed classification of hardening fluids of family U for use in the field of heat treatment. Is intended to provide a standardized code for the identification of lubricants and related products used in the process of hardening metallic materials. Should be read in conjunction with ISO 6743-0.
PUBLISHED
ISO 6743-14:1994
90.20
Standard under periodical review
Apr 15, 2026
ABANDON
ISO/WD 6743-14
Lubricants, industrial oils and related products (class L) — Classification — Part 14: Family U (Heat treatment)
90.20 Standard under periodical review
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