This "Aerospace Series" Prestandard has been drawn up under the responsibility of AECMA (The
European Association of Aerospace Industries). It is published on green paper for the needs of AECMAMembers.
It has been technically approved by the experts of the concerned Technical Cornmittee
following comment by the Member countries.
AECMA PREN 3857-1995 history
1995AECMA PREN 3857-1995 Aerospace Series Pipe Couplings, 60 Degrees, Spherical, in Titanium Alloy TI-P64001 Elbows 90 Degrees, Welded Edition P1