Bar Grating Load Charts

Bearing Bar Size19-W-419-W-215-W-415-W-2
3/4" x 3/16"5.5*6.06.67.3
1" x 1/8"4.95.55.96.6
1" x 3/16"7.1*7.28.69.2
1" x 1/4"9.210.011.512.3
1-1/4" x 1/8"6.06.47.27.8
1-1/4" x 3/16"8.7*9.010.411.1
1-1/4" x 1/4"11.412.014.114.9
1-1/2" x 1/8"7.17.58.39.1
1-1/2" x 3/16"10.3*10.612.413.0
1-1/2" x 1/4"13.514.216.817.6
1-3/4" x 3/16"12.113.214.615.4
1-3/4" x 1/4"15.717.419.920.8
2" x 3/16"13.8*14.816.717.5
2" x 1/4"18.119.122.623.7
2-1/4" x 3/16"14.815.718.519.4
2-1/4" x 1/4"20.021.125.426.2
2-1/2" x 3/16"17.017.220.521.3
2-1/2" x 1/4"22.123.228.1 29.0
STEEL BAR  
Welded & Press Locked19-W-4
15-W-2
(1-3/16")
(15/16")
Welded Close-Mesh & Press Locked
Close-Mesh
13-W-4

11-W-4

10-W-4

8-W-4
(13/16")
(11/16")
(5/8")
(1/2")
Press-Locked Close-Mesh 7-P-4(7/16")
Stainless Welded & Stainless Press-Locked 19-S-4

19-SP-4
(1-3/16")
(1-3/16")
Railroad Grating (AAR Approved) 25-W-4

27-W-4
(1-9/16")
(1-11/16")
HEAVY DUTY STEEL  
Heavy Duty Welded15-H-4
19-H-4
22-H-4
30-H-4
38-H-4
(15/16")
(1-3/16")
(1-3/8")
(1-7/8")
(2-3/8")
ALUMINUM GRATING  
I-Bar Swage Locked19-SI-4
15-SI-4
11-SI-4
(1-3/16")
(15/16")
(11/16")
I-Bar Swage Locked Close-Mesh8-SI-4(1/2")
Rectangular Bar Swage-Locked & Press Locked19-SR-4,19-AP-4
15-SR-4, 15-AP-4
(1-3/16")
(15/16")
Press-Locked Close Mesh13-AP-4(13/16")
Rectangular Bar Swage-Locked Close Mesh &
Press-Locked Close Mesh
11-SR-4, 11-AP-4
10-AP-4
8-SR-4, 8-AP-4
7-AP-4
(11/16")
(5/8")
(1/2")
(7/16")
RIVETED GRATING  
Steel Riveted Grating18-R-7
12-R-7
(1-1/8")
(3/4")
Aluminum Riveted Grating18-AR-7
12-AR-7
(1-1/8")
(3/4")