I --Beam 1) Size: 10# - 63# , 100mm to 900mm 2) Grade: Q235, Q345,Q345B, SS400, S235JR, S275JR, S355JR 3) Standard:GB/T11263 One kind ... necessary for inquiries: product name, standard performed,materials, specifcation, quantity, length, handling time,measure way.Size: web heigth 100-630mm, flange width ...