DIN 1025-5
DIN 1025-5 Hot rolled I-beams; medium flange I-beams, IPE-serie; dimensions, masses, sectional properties
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1994
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1994