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 - Steel FE-PA3601 (X6CrNiTi18-10) - Air melted - Softened - Sheet and strip - a ≤ 6 mm - 500 MPa ≤ Rₘ ≤ 700 MPa; German and English version EN 3488:2007
Edition 2008-09

Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Elbow 90° nipples, welded end - Inch series; German and English version EN 4553:2003
Edition 2004-08

Aerospace series - Nuts, elliptical clinch, self-locking, MJ threads - in heat resisting steel FE-PA2601 (A286), MoS₂ coated, Classification: 900 MPa (at ambient temperature)/425 °C; German and English version EN 4443:2012
Edition 2012-05

Aerospace series - Weldability and brazeability of materials in aerospace constructions - Part 004: Welding and brazing of homogeneous assemblies of high alloyed steels; German version EN 4632-004:2012
Edition 2013-11

Production in optical engineering - Abrasives for optical engineering - Part 1: Requirements
Edition 2015-09

Heat treatment of ferrous materials - Light-microscopical determination of the depth and porosity of the compound layer of nitrided and nitro-carburized ferrous parts
Edition 2016-12

Production in optical engineering - Abrasives for optical engineering - Part 2: Testing methods
Edition 2015-09

Raw optical glass - Grindability with diamond pellets - Test method and classification (ISO 12844:1999)
Edition 2006-11

Testing of liquid mineral hydrocarbons - Determination of mercaptan sulfur content - Potentiometric method
Edition 2010-08