H Beam Steel 1)Grade:Q235B,Q345B,SS400,A36, 2)size:100*100----900*300,A572,S235JRG2etc 3)Standard:JIS G3001,GB/T11 H Beam Steel1)Grade:Q235B,Q345B,SS400,A36,2)size:100*100----900*300,A572,S235JRG2etc3)Standard:JIS G3001,GB/T11263-1998 ASTMand H Beam Steel