ANSI/NAAMM MBG 531-17 

Load Table for Steel Grating - Type W-19 Or P-19 

ASTM A 1011 CS Type B 

F=18,000psi, E=29,000,000psi [See appendix A for graphic depicting table loading] 

Appendix A 

Stainless Gratings

NOTE: For serrated grating, the depth of grating required for a specified load is 1/4" greater than in the table. 

**Weights (mass /Area shown are approximate and vary with manufacturers. They are provided for preliminary design compilations only and are not intended for any other purpose. 

Loads above DO NOT include the dead load of the grating. 

ASTM A 1011 CS Type B 

F=124MPa,, E=200,000MPa [See appendix A for graphic depicting table loading] 

Appendix A 

Stainless Gratings

*NOTE: For serrated grating, the depth of grating required for a specific load is 6mm greater than in the table. 

** Weights (mass/area) shown are approximate and vary with manufacturers. they are provided for preliminary design compilations only and are not intended for any other purpose. 

Loads above DO NOT include the dead load of the grating.