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Brown-Campbell Company
Brown-Campbell Company
800-472-8464
Specialty Steel Manufacturer,
Fabricator & Distributor Since 1952
Product Information

Introduction to Bar Grating

Specifications

Product Material
Specification
Federal
Specification
Military
Specification
Finish
Specification
Light Duty Welded,
Light Duty Press-Locked,
Light Duty Swaged
--ASTM A-569
(1/8”, 3/16”, 1/4”)
--ASTM A-36
(1/4”) by inquiry
ANSI/NAAMM
MBG 531
MIL-G-18014
(Ships)
--Bare Steel
--Galvanized per
ASTM A-123
or A-385
--One shop coat mfg’s
standard paint.
Note: This is to protect
grating during transit only,
not intended as
a permanent finish.
Heavy Duty
Welded Steel
--ASTM A-36
(1/4”, 5/16”, 3/8”,1/2”)
--Other (by inquiry)
AASHTO
(American
Association of
State Highway and
Transportation
Officials) Standard
Specifications
For Highway
Bridges
ANSI/NAAMM
MBG 532
  --Bare Steel
--Galvanized per
ASTM A-123 or A-385
--One shop coat mfg’s
standard paint.
Note: This is to protect
grating during transit only,
not intended as
a permanent finish.
Aluminum Press-Locked
Aluminum Swaged
Aluminum Flush Top
Aluminum I-Bar
--Alloy 6063-T6 or Alloy
6061-T6 (special order)
for bearing bars per
ASTM B-221
--Alloy 6063 for cross
bars per ASTM B-221
ANSI/NAAMM
MBG 531
MIL-G-18014
(Ships)
--Mill Finish
--Other (by inquiry)
Stainless Steel Welded
Stainless Steel Press-Locked
Stainless Steel Swaged
--Type 304 per ASTM
A-167 (1/8” and 3/16”)
--Other (by inquiry)
ANSI/NAAMM
MBG 531
MIL-G-18014
(Ships)
--Welded: ‘As-welded’
--Press-Locked:
Mill Finish --Other (by inquiry)