AECMA PREN 2928-1992 航空航天系列双六角放心长螺纹螺栓抗热镍基镀银钢NI-P100HT(因科内尔铬镍铁合金718) 1 275 MPa/650℃ P 2版
Aerospace Series Bolts with Double Hexagon Head, Relieved Shank, Long Thread, in Heat Resisting Nickel Base Alloy NI-P100HT (Inconel 718), Silver Plated Classification : 1 275 MPa / 650 Degrees C Issue P 2
This .Aerospace Series» pre-standard has been drawn up under the responsibility of AECMA
(Association Européenne des Constructeurs de Matériel Aérospatial). It is published on green paper
for the needs of AECMA-Members. It has been technically approved by the experts of the concerned
Commission following comment by the Member countries.