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

Bar Grating - Specialty Products

Railroad Grating

Association of American Railroads (AAR) Approved Bar Grating is available meeting AAR Specifications, Rule 53 in the Field Manual of the AAR Interchange Rules.

This bar grating has been designed and engineered to meet AAR specifications for width, clear openings, deflection under load, and non-skid attributes. It is ideal for AAR approved safety walkway applications such as brake steps, crossover and dome platforms, and running boards.

This product meets the requirements for AAR Group Number 1 (unsupported length - 4 feet), Group Number 2 (unsupported length - 7 feet), and Group Number 3 (unsupported length - 10 feet) Steel.

Railroad Grating

Railroad Grating
Railroad Grating
Railroad Grating
AAR Group Number Bar Size Symbol / Approx. Wgt. (lbs/sq ft) Unsupported
Length
1 1” x 1/8” 25W4 / 3.85# 4 feet
1 1” x 3/16” 25W4 / 5.67# 4 feet
1 1” x 3/16” 27W4 / 5.47# 4 feet
2 1-1/2” x 3/16” 27W4 / 7.88# 7 feet
3 2” x 3/16” 27W4 / 10.29# 10 feet
No. of
Bars
25W4
1/8
Bar
25W4
3/16
Bar
27W4
3/16
Bar
6 7-15/16 8 8-5/8
7 9-1/2 9-9/16 10-5/16
8 11-1/6 11-1/8 12
9 12-5/8 12-11/16 13-11/16
10 14-3/16 14-1/4 15-3/8
11 15-3/4 15-13/16 17-1/16
12 17-5/16 17-3/8 18-3/4
13 18-7/8 18-15/16 20-7/16
14 20-7/16 20-1/2 22-1/8
15 22 22-1/16 23-13/16
16 23-9/16 23-5/8 25-1/2
17 25-1/8 25-3/16 27-3/16
18 26-11/16 26-3/4 28-7/8
19 28-1/4 28-5/16 30-9/16
20 29-13/16 29-7/8 32-1/4
21 31-3/8 31-7/16 33-15/16
22 32-15/16 33 35-5/8
23 34-1/2 34-9/16 37-5/16
24 36-1/16 36-1/8 39