... ,SS400,Q345B 3>Size :100x100mm---900 x 300mm Hot roll H-beam---Usage(1) building , bridge ,high way (2). Some kinds ... , Si≤0.30, Mn0.30-0.70,S≤0.045 , P≤0.045,Cr≤0.30,Ni≤0.30,Cu≤0 ... , Si≤0.55, Mn1.00-1.60,S≤0.040 , P≤0.040V≤0.02-0.015,Nb 0.015-0 ... or 40ft container or by bulkCertificateThe mill certificates of quality H-Steel Beam