This application is dimension of standard steel size in ASTM, BS and JIS. It has many shape as below. ASTM Steel: I-Section Wide Flange Channels (C) Channels (MC) Equal Angle BS Steel: Universal Beam (UB) Universal Column (UC) Joist Beam (J) Tee Section Cut from Joist Tee Section Cut from UB Channels with Tapered Flanges (CH) U-Profile with Parallel Flanges (PFC) Equal Angle Unequal Angle Rectangular Hollow (RHS) Square Hollow (SHS) JIS Steel: H-Beam I-Beam Tee Channel Equal Angle Unequal Ang