The document applies to cold coiled cylindrical helical torsional springs (leg springs). Cylindrical helical torsional springs are cold coiled up to a diameter of 17 mm, see also DIN EN 13906-3.#,,#
DIN 2194:2002 history
2002DIN 2194:2002-08 Helical springs made of round wire and rod - Cold coiled torsional springs (leg springs) - Quality specifications
2002DIN 2194:2002 Helical springs made of round wire and rod - Cold coiled torsional springs (leg springs) - Quality specifications