... Hot rolled Q235/SS400/ST37-2 Mine Steel I-Beam Material: Q235, SS400 or ST37-2 Product specification: 1) ... Product name:Hot rolled steel I-beams, IPE,IPEAA 2)Material: Q235B,SS400,A36 3)Payment ... packing as the customer's demand. GB STANDARD HOT ROLLED I-BEAMSIZE(MM)THEORETICAL WEIGHT (KG/M)100*68*4.511 ... .95 Hot rolled IPEAA Q235/SS400/ST37-2 Mine Steel I-Beam sizes