Aerospace series - Pipe coupling 37°, in heat resisting steel - Ferrules, welded end - Inch series; German and English version EN 4555:2003
Edition 2004-08

Aerospace series - Pipe coupling, welded, in heat resisting steel - Elbow 90° - Inch series; German and English version EN 4561:2003
Edition 2004-08

Aerospace series - Flange couplings - Swivel flange with 3 fastening holes, in heat resisting steel - Inch series; German and English version EN 4801:2017
Edition 2017-08

Aerospace series - Heat resisting alloy X12CrNiCoMoW21-20 - Solution treated - Bars and sections - Dₑ ≤ 100 mm; German and English version EN 4571:2020
Edition 2020-05

Aerospace series - Heat resisting alloy X12CrNiCoMoW21-20 - Solution treated - Sheets and strips - a ≤ 3 mm; German and English version EN 4572:2020
Edition 2020-05

Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 003: Specific rules for heat resisting alloys; German and English version EN 4500-003:2012
Edition 2012-12

Aerospace series - Bolts, hexagon head, relieved shank, long thread, in heat resisting steel FE-PM1708 (FV 535) - Classification: 1000 MPa/550 °C - Unplated; German and English version EN 3324:2007
Edition 2008-05

Aerospace series - Pipe coupling 37°, in heat resisting steel - Cap assemblies - Inch series; German and English version EN 4556:2003
Edition 2004-08

Aerospace series - Flange couplings - Swivel flange with 4 fastening holes, in heat resisting steel - Inch series; German and English version EN 4803:2017
Edition 2017-08

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