Aerospace series - Steel X4CrNiMo16-5-1 - Air melted - Hardened and tempered - Sheets - 0,3 mm <kleiner => a <kleiner => 6 mm - 900 MPa <kleiner => R<(Index)m> <kleiner => 1050 MPa; English version prEN 4890:2020
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Surveillance systems; German and English version EN 14419:2009— 51 стр.
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene; German version EN 448:2015— 36 стр.
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene; German version EN 253:2009+A2:2015— 56 стр.
