Page 46 - ZSi-Foster Channel Loads

W400 - 16 Gauge Channel

5
13
1 ⁄8" x ⁄16" (41mm x 21mm)

5
1 ⁄8" 10 41mm
3 ⁄8" 7 ⁄8" mm 22mm

X 13 ⁄16" X 21mm
Y Y
0.347" 9mm W400 Section Properties

Area of
Wt.. Section X-X Axis Y-Y Axis
Lbs./Ft. in. 2
(Kg/M) lx in. 4 Sx in. 3 rx. in. ly in. 4 Sy in. 3 ry in.
(cm ) (cm ) (cm ) (cm) (m ) (cm ) (cm)
2
4
3
3
4
0 .83 0 .244 0 .023 0 .05 0 .31 0 .092 0 .113 0 .614
(1.24) (1.57) (0.96) (0.82) (0.79) (3.83) (1.85) (1.56)
W400 - Allowable Beam Loads
Max. Defl. Uniform Load at Deflection Max. Defl. Uniform Load at Deflection
Span Uniform at Span Span Span Lateral Span Uniform at Span Span Span Lateral
Load Load /180 /240 /360 Bracing Load Load /180 /240 /360 Bracing
In Lbs In Lbs Lbs Lbs Reduction mm kN mm kN kN kN Reduction
12 840 0 .03 840 840 840 1 .00 300 3.8 0.67 3.8 3.8 3.8 1.00
18 560 0 .06 560 560 450 1 .00 450 2.5 1.52 2.5 2.5 2.1 1.00
24 420 0 .11 420 380 260 1 .00 600 1.9 2.72 1.9 1.8 1.2 1.00
30 330 0 .17 330 250 160 0 .97 750 1.5 4.19 1.5 1.1 0.8 0.97
36 280 0 .25 230 170 110 0 .94 900 1.2 5.97 1.0 0.8 0.5 0.94
42 240 0 .34 170 130 80 0 .92 1050 1.1 8.12 0.8 0.6 0.4 0.91
48 210 0 .44 130 100 60 0 .88 1200 0.9 10.61 0.6 0.4 0.3 0.88
60 170 0 .69 80 60 40 0 .82 1500 0.8 16.77 0.4 0.3 0.2 0.83
72 140 0 .99 60 40 30 0 .78 1800 0.6 23.87 0.3 0.2 0.1 0.78
84 120 1 .34 40 30 20 0 .74 2100 0.5 32.49 0.2 0.1 0.1 0.74

W400 - Allowable Column Loads
Max. Max. Column Load Applied at C.G. Max. Max. Column Load Applied at C.G.
Unbraced Slot Face Unbraced Slot Face
Height K = 0.65 K = 0.80 K = 1.0 K = 1.2 Height K = 0.65 K = 0.80 K = 1.0 K = 1.2
Load Load
In Lbs Lbs Lbs Lbs Lbs mm kN kN kN kN kN
12 1780 5390 5250 5040 4800 300 7.9 24.0 23.4 22.5 21.4
18 1720 5070 4800 4420 4030 450 7.7 22.6 21.4 19.8 18.1
24 1650 4680 4290 3780 3310 600 7.4 20.9 19.2 17.0 14.9
30 1570 4260 3780 3210 2520 750 7.0 19.1 17.0 14.5 11.5
36 1470 3840 3310 2520 1780 900 6.6 17.3 14.9 11.5 8.2
42 1340 3460 2800 1880 1310 1050 6.0 15.6 12.7 8.6 6.0
48 1180 3080 2250 1440 1000 1200 5.3 14.0 10.3 6.6 4.6
60 890 2180 1440 920 KL/r >200 1500 4.0 10.0 6.6 4.2 KL/r >200
72 690 1520 1000 KL/r >200 KL/r >200 1800 3.2 6.9 4.6 KL/r >200 KL/r >200
84 KL/r >200 1110 KL/r >200 KL/r >200 KL/r >200 2100 KL/r >200 5.1 KL/r >200 KL/r >200 KL/r >200
Beam loads shown are total uniform load, including the channel weight, for a simple span supported at each end that is adequately laterally braced.
Refer to pages 3 - 6 for other beam support conditions.

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