Face-plates for door-handles and keys depending on this standard are for doors according to DIN 81300-1 on ships.
DIN 81316:2006 Referenced Document
DIN 1687-1 Rough castings of heavy metal alloys - Sand mouldings - General tolerances, machining allowances; inactive for new design
DIN 81300-1 Door locks used in shipbuilding - Part 1: Technical survey*, 2007-06-01 Update
DIN EN 10088-2 Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes; German and English version prEN 10088-2:2021 / Note: Date of issue 2021-12-03*Intended as replacement for DIN EN 1008...*, 2022-01-01 Update
DIN EN 1652 Copper and copper alloys - Plate, sheet, strip and circles for general purposes; German version EN 1652:1997
DIN EN 1982 Copper and copper alloys - Ingots and castings; German and English version prEN 1982:2023 / Note: Date of issue 2023-01-06*Intended as replacement for DIN EN 1982 (2017-11).*, 2023-02-01 Update
DIN 81316:2006 history
2006DIN 81316:2006-05 Backplates for keys and door-handles for door looks used on ships
2006DIN 81316:2006 Backplates for keys and door-handles for door looks used on ships
1970DIN 81316:1966 Backplates for keys and door-handles for door looks used on ships