Beam Load Capacities Chart

Search capacity by parameter(s)

Family Beam height Length Part Number 18 Digit Code Capacity (LBS)
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Please remember:

  • Capacities are per the 2012 RMI and 2001 AISI specifications.
  • Interlake Mecalux beams over 126”L require bracing to prevent buckling.
  • Beams longer than 90” that support decking must be tied together to prevent spreading (IK025B crossbar).
  • Loading to be uniformly distributed over the length of the beam.
  • Values shown reflect the capacity of the beams based on the lesser of its strength in bending, or L/180 deflection criteria.
  • Load capacities are for uniformly distributed product load plus dead load per pair of beams (dead load = weight of beams).
  • Capacities are valid for static load only.
  • These capacities assume that all component parts are: (1) Manufactured by Interlake Mecalux. (2) In good condition. (3) Properly installed.

Make sure you measure the beam height as shown in the figure below: