The Sŏch'ang Line is an electrified railway line of the Korean State Railway in Tŏkch'ŏn-si, South P'yŏngan Province, North Korea, running from Tŏkch'ŏn on the P'yŏngdŏk Line to Sŏch'ang.

[1] It connects to the Sinsŏng Line at West Tŏkch'ŏn, whilst the Hoedun Line and the Hyŏngbong Line connect at Ch'ŏlgisan.

[1] Local passenger trains 723/724 operate between Tŏkch'ŏn on the P'yŏngdŏk Line and Hyŏngbong on the Hyŏngbong Line via Sŏch'ang Line, stopping at West Tŏkch'ŏn and Ch'ŏlgisan on this line.

[1] A yellow background in the "Distance" box indicates that section of the line is not electrified.