MBG 531 –00AMERICAN NATIONAL STANDARD
ANSI/NAAMM
METAL BAR GRATINGMANUAL
SIXTH EDITION
• Maximum Bearing Bar Depth . . . 21/2" (63.5 mm)
• Maximum Bearing Bar ThicknessSteel & Stainless Steel . . . . . . . 3/16" (4.8 mm)Aluminum . . . . . . . . . . . . . . . . . . 1/4" (6.4 mm)
• Maximum Depth of I-Bar. . . . . . . 21/2" (63.5 mm)
MBG Metal Bar Grating Division ofTHE NATIONAL ASSOCIATION OF ARCHITECTURAL METAL MANUFACTURERS
AN
SI/N
AA
MM
MB
G 5
31-0
0Fe
brua
ry 2
1,20
01G
RAT
ING
S
5A
NSI/N
AA
MM
MB
G 531-00
February 21,2001G
RATIN
GS
5