DIN EN 3686-2008 航空航天系列.镀银的FE-PA92HT(A286)型耐热钢制长螺纹减荷螺杆十二角头螺栓.等级:1100MPa/650℃
Aerospace series - Bolts, double hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated - Classification: 1100 MPa/650 °C; German and English version EN 3686:2008
This standard specifies the characteristics of double hexagon head bolts with relieved shank and long thread,
in heat resisting steel FE-PA92HT, silver plated, tensile strength class 1 100 MPa at room temperature. The
maximum test temperature of the material is 650 ℃.
These bolts are to be used in aerospace fastening systems mainly stressed in tension.