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