I --Beam 1) Size: 10# - 63# , 100mm to 900mm 2) Grade: Q235 ... Standard:GB/T11263 One kind of profile bars with "I" shape section, the specification is usually expressed by ... web height (h)* flange width (b)* web thickness (d). I --Beam1) Size: 10# - 63# , 100mm to 900mm 2) Grade: ... materials, specifcation, quantity, length, handling time,measure way.Size: web heigth 100-630mm, flange width:68-180mm,web ...