The text of this standardt which exists in three equivalent versions (English, French, German] has been drawn
up under the responsability of AECMA [Association Européenne des Constructeurs de MattWel Aérospatial) and
has been circulated to Official Sewices. Any reservations e x p r e d by Official Services and not remlvtd in this
issue, have been incorporated in the history sheet which has accompanied this prEN io CEM
AECMA PREN 2198-1979 history
1979AECMA PREN 2198-1979 Heat Resisting Nickel Base Alloy NI-C103-HT Solution Treated and Precipitation Treated Precision Castings Aerospace Series Edition 1