Expanded Metal
Grating Specifications
Catwalk and Structural Gratings Carbon Steel
Carbon Steel Flattened Grating
Aluminum Grating - Type 5002-H-32 
New Catwalk and Structural Gratings (Carbon
Steel) Selection Chart
The concentrated load deflections for
the above selection chart do not exceed the 1/4" maximum deflection
as stated by Federal Specification RR-661b and the generally accepted
recommendation for normal pedestrian comfort.
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