TROF Steel Tray NEMA Class, Physical and Structural Properties
NEMA Standard VE-1 Load/Span Class
NEMA Load⁄Span
Mill- Galv. System No.
HDGAF System No.
Type 304 SS System No.
Atkore HDGAF Systems Certified by CSA
Nominal Load Depth
Side Rail Height
Flange Width
Section Modulus of 2 Rails SX
Moment of Inertia for 2 Rails LX
Minimum X-Sect.
Area of 2 Rails per NEC 392.7
3 1⁄2"
13⁄16" 0.444 in 3 1.378 in 4
(89mm)
.40 in 2 .40 in 2 .40 in 2 .70 in 2 .70 in 2 .40 in 2 .40 in 2 .70 in 2 .70 in 2 .70 in 2 .70 in 2 .40 in 2 .70 in 2 .70 in 2 .70 in 2 .70 in 2 .70 in 2
8232 6233 823U -
3 (76mm)
4 1⁄4" (108mm) 13⁄16" 0.592 in 3 1.258 in 4 5 1⁄4" (133mm) 13⁄16" 0.816 in 3 2.142 in 4 6 1⁄4" (159mm) 13⁄16" 1.072 in 3 3.352 in 4 4 1⁄4" (108mm) 13⁄16" 0.678 in 3 1.370 in 4 5 1⁄4" (133mm) 13⁄16" 0.816 in 3 2.142 in 4 6 1⁄4" (159mm) 13⁄16" 1.072 in 3 3.352 in 4 4 1⁄4" (108mm) 13⁄16" 0.834 in 3 1.690 in 4 3 1⁄2" (89mm) 13⁄16" 0.674 in 3 1.180 in 4 5 1⁄4" (133mm) 13⁄16" 1.140 in 3 2.872 in 4 6 1⁄4" (159mm) 13⁄16" 1.330 in 3 4.158 in 4 4 1⁄4" (108mm) 1 1⁄4" 0.852 in 3 1.736 in 4 5 1⁄4" (133mm) 1 1⁄4" 1.280 in 3 3.360 in 4 6 1⁄4" (159mm) 1 1⁄4" 1.652 in 3 5.160 in 4 4 1⁄4" (108mm) 1 1⁄4" 1.056 in 3 2.152 in 4 5 1⁄4" (133mm) 1 1⁄4" 1.280 in 3 3.360 in 4 6 1⁄4" (159mm) 1 1⁄4" 1.652 in 3 5.160 in 4 4 1⁄4" (108mm) 1 1⁄4" 1.298 in 3 2.652 in 4 5 1⁄4" (133mm) 1 1⁄4" 1.280 in 3 3.360 in 4 6 1⁄4" (159mm) 1 1⁄4" 1.652 in 3 5.160 in 4 4 1⁄4" (108mm) 1 1⁄4" 1.056 in 3 2.152 in 4 5 1⁄4" (133mm) 1 1⁄4" 1.280 in 3 3.360 in 4 6 1⁄4" (159mm) 1 1⁄4" 1.652 in 3 5.160 in 4 4 1⁄4" (108mm) 1 1⁄4" 1.758 in 3 3.604 in 4 5 1⁄4" (133mm) 1 1⁄4" 1.744 in 3 4.418 in 4 6 1⁄4" (159mm) 1 1⁄4" 1.814 in 3 5.486 in 4 5 1⁄4" (133mm) 1 1⁄4" 2.370 in 3 6.026 in 4 6 1⁄4" (159mm) 1 1⁄4" 2.240 in 3 6.778 in 4 6 1⁄4" (159mm) 1 1⁄4" 3.056 in 3 9.270 in 4 6 1⁄4" (159mm) 1 1⁄4" 3.536 in 3 10.630 in 4
8242 6243 824U 8242 /3 4 (102mm)
50 lb.⁄ft. 12' span
8A - 12A
8252 6253 825U -
5 (127mm)
8262 6263 826U 8262 /3 6"
(152mm) (76mm) (102mm) (127mm) (152mm) (102mm) (127mm) (152mm) (102mm) (127mm) (152mm) (102mm) (127mm) (152mm) (102mm) (127mm) (152mm) (102mm) (127mm) (152mm) (102mm) (127mm) (152mm) (127mm) (152mm)
4232 4233 423U - 8B42 6B43 8B4U - 8252 6253 825U -
3" 4" 5"
75 lb.⁄ft. 12' span
12B
8262 6263 826U 8262 /3 6"
6B42 6B43 6B4U - 6B52 6B53 6B5U - 6262 6263 626U -
4" 5" 6" 4"
100 lb.⁄ft. 12' span
12C
8D42 6D43 8D4U
-
50 lb.⁄ft. 16' span
6452 6453 645U 6452 /3 5" 6462 6463 646U 6462 /3 6"
16A
6D42 6D43 6D4U
-
4"
75 lb.⁄ft. 16' span
6452 6453 645U 6452 /3 5" 6462 6463 646U 6462 /3 6"
16B
1.00 in 2
4D42 4D43 4D4U
-
4"
100 lb.⁄ft. 16' span
6452 6453 645U 6452 /3 5" 6462 6463 646U 6462 /3 6"
.70 in 2 .70 in 2 .70 in 2 .70 in 2
16C
6D42 6D43 6D4U 6452 6453 645U 6462 6463 646U 2D42 2D43 2D4U
-
4" 5" 6" 4" 5" 6" 5" 6"
50 lb.⁄ft. 20' span
6452/3 6462/3
20A
1.00 in 2 1.00 in 2 1.00 in 2 1.00 in 2 1.50 in 2 1.00 in 2
-
75 lb.⁄ft. 20' span 100 lb⁄ft. 20' span
4D52 4D53 4D5U 4D52 /3
20B
6D62 6D63 6D6U 2D52 2D53 2D5U
- -
20C
4D62 4D63 4D6U 4D62 /3
EXTRA HEAVY DUTY - VERY LONG SPAN TRAYS - SOLID OR VENTILATED BOTTOMS
2D62 2D63 2D6U 11D62 11D63 11D6U
- -
6" 6"
(152mm) (152mm)
1.50 in 2 1.50 in 2
TROF - Steel Tray
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