American hot-rolled steel wide flange beam often was abbreviated to HR wide flange beam, HR “WF” beam or “HR” “W” beam, as the dimensions of flange and web change big or small with American wide beam specification, so they were also known as steel “H” beam and steel “I” beam, We supply American wide flange beam according to the ASTM standard which is ASTM A992 (remark: ASTM A572 has been replaced by ASTM A992) and ASTM A36/A36M-2008 to finish, for the size tolerance of American wide flange beam, we can supply two steel grade which is ASTM A36 and ASTM A572 grade 50 or ASTM A992 grade 50.
For the length of American wide beam, in general, the length is 12 meters. It is a kind of American structure steel section, which was often widely used in all kinds of civil and industrial building structure steel; a variety of large span industrial workshop and modern high-rise buildings, especially the frequent seismic activity area and high temperature working conditions of the industrial building; large span bridge, heavy equipment; ship skeleton and mine support. We also can provide hot-dip galvanized wide flange beam, hot-dip galvanized standard.