Standard Beam

approximate size of opening x thickness or steel x size of sheet

  • 4" X  7.7# (2-5/8 X 3/16) X Stndrd I Beam
  • 6" X 12.5# (3-5/16 X 1/4)  X Stndrd I Beam
  • 8" X 18.4#  (4 X 1/4) X Stndrd I Beam