This standard applies to welding collars in pipelines used on ships. They are used together with loose flanges according to DIN 86037-3 for the connection of pipes according to DIN 86018 and DIN 86019 made of CuNi10Fe1,6Mn.
DIN 86037-2:2017 Referenced Document
DIN 86018:2002 Welded tubes made of CuNi10Fe1,6Mn for pipes - Dimensions
DIN 86019:2006 Seamless tubes made of CuNi10Fe1,6Mn for pipes - Dimensions for standard tubes and precision tubes
DIN 86028:2013 Welding necks of CuNi10Fe1,6Mn.Technical specifications
DIN 86037-1:1995 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 1: Assembly
DIN 86037-3:1995 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 3: Loose flanges
DIN ISO 2768-1:1991 General tolerances; tolerances for linear and angular dimensions without individual tolerance indications; identical with ISO 2768-1:1989
DIN 86037-2:2017 history
2023DIN 86037-2:2023-02 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 2: Welding necks / Note: Date of issue 2023-01-13*Intended as replacement for DIN 86037-2 (2017-12).
2017DIN 86037-2:2017-12 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 2: Welding necks / Note: To be replaced by DIN 86037-2 (2023-02).
1970DIN 86037-2 E:2017-04 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 2: Welding necks
2017DIN 86037-2:2017 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 2: Welding necks
1995DIN 86037-2:1995 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 2: Welding necks