Ship Main guns Displacement Propulsion Service Laid down Commissioned Fate SMS Nassau 12 × 28 cm (11 in)[50] 20,535 t (20,211 long tons)[50] 3 screws, triple expansion engines, 20 kn (37 km/h; 23 mph)[50] 1907[50] 1 October 1909[50] Scrapped in 1920[50] SMS Westfalen 12 × 28 cm (11 in)[50] 20,535 t (20,211 long tons)[50] 3 screws, triple expansion engines, 20.2 kn (37.4 km/h; 23.2 mph)[50] 1907[50] 16 November 1909[51] Scrapped in 1924[51] SMS Rheinland 12 × 28 cm (11 in)[50] 20,535 t (20,211 long tons)[50] 3 screws, triple expansion engines, 20 kn (37 km/h; 23 mph)[50] 1907[50] 30 April 1910[51] Scrapped in 1921[51] SMS Posen 12 × 28 cm (11 in)[50] 20,535 t (20,211 long tons)[50] 3 screws, triple expansion engines, 20 kn (37 km/h; 23 mph)[50] 1907[50] 31 May 1910[51] Scrapped in 1922[51]