It is hard to get reliable information about geometry of standardized section. Standards are not public and not all steel manufacturers information is documented.
ArcelorMittal was willing to cooperate, fill in some blancs. Point of departure: http://sections.arcelormittal.com/library/product-catalogues.html and more specific from this location: http://sections.arcelormittal.com/fileadmin/redaction/4-Library/1-Sales_programme_Brochures/Sales_programme/Sections_MB-ArcelorMittal_FR_EN_DE-V2016-3.pdf .