... Q235B,Q345B,SS400,etc. Best price,best quality Hot rolled I beam section 1. Standard: GB, JIS, ASTM ST2. ... Q235, Q345, SS400, S235JR, S275JR, S355JR3. Length: 5.8-12m or according to our clients' requirements4. Origin: Tangshan, China5 ... me or send email to me for further discussion!!! I am waiting for your any comments.Catherine ZhangMobile: ... .878IPEAA 8078*463.24.95IPE180180*915.318.8 I beam section