This European standard specifies the nominal dimensions and masses of the hot rolled steel channels, I and H sections. The following shapes are covered by this standard: Sections: - Parallel flange I sections IPE; - Wide flange beams HE; - Extra wide flange beams HL and HLZ; - Wide flange columns HD; - Wide flange bearing piles HP and UBP; - Universal beams UB; - Universal columns UC; - Taper flange I sections IPN and J. Channels: - Parallel flange channels UPE and PFC; - Taper flange channels UPN, U and CH. These requirements do not apply to hot rolled steel channels, I and H sections from stainless steel.