Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Straight nipples, welded end - Inch series; German and English version EN 4552:2015
Edition 2015-09

Aerospace series - Pipe coupling, welded, in heat resisting steel - Reductors - Inch series; German and English version EN 4562:2003
Edition 2004-08

Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Straight unions, threaded - Inch series; German and English version EN 4554:2003
Edition 2004-08

Aerospace series - Nuts, hexagon, plain, reduced height, reduced across flats, in heat resisting steel, silver plated, left hand thread - Classification: 600 MPa (at ambient temperature)/425 °C; German and English version EN 2924:2019
Edition 2019-07

Aerospace series - Corrosion and heat resisting steel rivets - Technical specification; German and English version EN 2898:2008
Edition 2009-06

Aerospace series - Flange couplings - Weld coupling, 90° elbow, in heat resisting steel - Inch series; German and English version EN 4807:2017
Edition 2017-08

Aerospace series - Pipe coupling, 37°, in heat resisting steel - Swivel nuts - Inch series; German and English version EN 4551:2014
Edition 2015-02

Aerospace series - Nuts, bihexagonal, self-locking, in heat resisting nickel base alloy NI-PH1302 (Waspaloy), silver plated on thread - Classification: 1210 MPa (at ambient temperature)/730 °C; German and English version EN 4120:2004
Edition 2006-11

Aerospace series - Bolts in heat resisting steel FE-PA2601 (A286) - Classification: 1 100 MPa/650 °C - Technical specification; German and English version EN 3685:2019
Edition 2019-12

Aerospace series - Nut, self-locking, bi-hexagonal (double reduced), in heat resisting nickel base alloy - NI-P101HT (Waspaloy), silver plated, Classification: 1 210 MPa/730 °C; German and English version EN 3637:2023
Edition 2023-10