ISMB (Indian Standard Medium weight Beams) :
Indian Standard Medium weight Beams abbreviated as ISMB are widely used today in construction and civil engineering field. The horizontal section of the "I" is termed as Flanges and the vertical section is termed as Web. Both of these play an important role. While the web resists shear forces, the flange plays in important role is resisting bending moment. I Beams today are either Rolled (hot rolling, cold rolling or extrusion) or formed by welding plates
