... I-Beam Steel 1.Standard: GB JIS ASTM EN 2.Material: Q235 S235JR SS400 A36 3.Professional ... Beam 2.EN I-beamSize: IPE140-240Standard: Q235 S235JR SS400 A36 3.DIN I-beamSize: IPEAA100-160 Standard: Q235 S235JR ... I-beamSize: 10#-40# 5.Standard: Q235 S235JR SS400 A36Length: 6-12 M 6.EN Standard: IPE140*73*4.7*6. ... ,200,220,250, 280, 300, 320, 360 9.Standard: GB/T706-1988 Q235 S235JR SS400 A36 DIN1025 St37-2 ...