EN 2367-1989 pdf download.Aerospace series Split pins in steel EN 2573.
This EN 2367 specifies the characteristics of steel EN 2573 split pins passivated, for use in aerospace applications at a maximum temperature of 600 °C.
2 References
EN 2424, Aerospace series — Identification marking of standard fasteners.
EN 2516, Aerospace series — Passivation of corrosion resisting steels1.
EN 2573, Aerospace series — Steel FE-PAI3— Softened and lightly drawn — Wire 0,25 mm ≤ Dc ≤ 5 mm.
3 Required characteristics
3.1 Configuration — Dimensions — Tolerances
The configuration shall correspond with the Figure, however, the form of eyelet and ends are at manufacturer’s option. Dimensions and tolerances shall correspond to the Figure and Table 1.
3.2 Material
Steel EN 2573.
3.3 Surface treatment
Passivation EN 2516.
4 Methods of test or inspection
4.1 Acceptance requirements
4.1.1 Bend tests
Bend each leg through an angle of 900 near the centre of its length and in the normal direction of opening the split pin. The bend shall have a radius of not more than 0,5 D max. After two bending operations of each leg the pin shall show no crack. These tests are to be done on 0,1 % of each batch produced.
The production lot is defined as follows:
The production lot shall consist of finished split pins of the same basic part number and diameter formed by the same process from a single material cast produced as one continuous run.
4.1.2 Appearance
Ends shall be free from sharp edges. The two legs closed to each other shall form a circular cross section.
The eyelet shall be formed by a radius with the body of the split pin, but an indentation may be accepted if
it forms no sharp angle at the root and if the reduction of thickness of the leg is not more than 5 % D max.
The split pins shall be free from cracks and any other defects.
5 Designation
Each split pin shall only be designated as in the following example:EN 2367-1989 pdf download.

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