... ,SS400,Q345B 3>Size :100x100mm---900 x 300mm Hot roll H-beam---Usage(1) building , bridge ,high way (2). Some kinds ... .20, Si≤0.55, Mn1.00-1.60,S≤0.040 , P≤0.040V≤0.02-0.015,Nb 0.015 ... or 40ft container or by bulkCertificateThe mill certificates of quality H-Steel Beam