I beam Product Specification:GB standard,EN IPE,EN IPEAA,EN IPN Grade: A36.SS400,Q235,ST37,ST52,Q345 I beam, steelProduct Specification:GB standard,EN IPE,EN IPEAA,EN IPNSize:GB Standard:100~360 EN Standard :IPE80--- IPE600, IPE AA 80----IPE AA 160 IPN 80--IPN 550Remark: we can supply any length as per your request.