 German submarine U-531

German submarine "U-531" was a Type IXC/40 U-boat of Nazi Germany's "Kriegsmarine" built for service during World War II.She was laid down at Deutsche Werft in Hamburg as yard number 346 on 22 December 1941, launched on 12 August 1942 and commissioned on 28 October with "Oberleutnant zur See" Herbert Neckel in command.