Page 27 - Channel Loads
P. 27

 3⁄8"
X
10 mm
W301SS - 12 Gauge Channel
15⁄8" x 23⁄4" (41mm x 70mm) with 9⁄16" x 11⁄8" Short Slots on 2" centers.
  15⁄8" 7⁄8"
41mm 22mm
  X 70mm YY
23⁄4"
 W301SS Section Properties
 Wt.. Lbs./Ft. (Kg/M)
  Area of Section
2
(cm2)
in.
  X-X Axis
 Y-Y Axis
 4
(cm4)
lx in.
  3
(cm3)
Sx in.
  rx. in.
(cm)
  4
(m4)
ly in.
  3
(cm3)
Sy in.
  ry in.
(cm)
  3 .46 1 .017 0 .608 0 .443
(5.15) (6.56) (25.31) (7.26)
W301SS - Allowable Beam Loads
0 .774 0 .416
(1.97) (17.32)
8.4 * 8.4 8.4 * 8.4 8.4 * 8.4 7.6 6.8 6.0 4.4 4.6 3.0 3.4 2.2 2.6 1.7 2.0 1.4 1.6 1.1
0 .512 0 .64
(8.39) (1.63)
* 1.00 * 1.00 * 1.00
1.00 0.98 0.95 0.92 0.88 0.85 0.82
99.5
94.2
89.3
85.1
80.7
73.3
65.5
50.1
36.1
26.5
  Span
Max. Uniform Load
 Defl. at Load
Uniform Load at Deflection
 Lateral Bracing Reduction
 Span /180
Span /240
Span /360
In
Lbs
 In
 Lbs
Lbs
Lbs
Span
Max. Uniform Load
 Defl. at Load
Uniform Load at Deflection
 Lateral Bracing Reduction
 Span /180
Span /240
Span /360
mm
kN
 mm
 kN
kN
kN
  12
24
36
48
60
72
84
96
1,899 * 1,899 * 1,899 * 1,674 1,341 1,116
954
0 .00 0 .02 0 .07 0 .15 0 .23 0 .34 0 .46 0 .60 0 .76 0 .93
1,899 * 1,899 * 1,899 * 1,674 1,341 1,116
1,899 1,899 1,899 1,674 1,341
* * *
1,899 * 1 .00 1,899 * 1 .00 1,899 * 1 .00 1,494 1 .00
300 8.4 600 8.4 900 8.4
1,200 7.6 1,500 6.0 1,800 5.0 2,100 4.3 2,400 3.8 2,700 3.4 3,000 3.0
* * *
0.06 8.4 0.51 8.4 1.73 8.4 3.68 7.6 5.74 6.0 8.27 5.0 11.26 4.3 14.63 3.4 18.62 2.7 23.11 2.2
* * *
                            837 108 747 120 666
954 0 .98 999 666 0 .95 954 729 486 0 .91 747 558 369 0 .88 594 441 297 0 .85 477 360 243 0 .82
             W301SS - Allowable Column Loads
 Unbraced Height
 Max. Slot Face Load
 Max. Column Load Applied at C.G.
 K = 0.65
 K = 0.80
 K = 1.0
 K = 1.2
 In
  Lbs
  Lbs
  Lbs
  Lbs
  Lbs
  Unbraced Height
 Max. Slot Face Load
 Max. Column Load Applied at C.G.
 K = 0.65
 K = 0.80
 K = 1.0
 K = 1.2
 mm
  kN
  kN
  kN
  kN
  kN
   12
24
36
48
60
72
84
96
108
120
6000
5890
5770
5670
5470
5150
4740
23260
22130
20830
19670
18750
17140
15240
13310
11420
9620
23040
21520
20000
18820
16850
14500
12140
9890
7860
6370
22700
20730
19080
16850
13900
10990
8320
6370
5030
4070
22330
20000
17990
14500
10990
7860
5770
4420
KL/r >200
KL/r >200
300 26.7 103.5
450 26.5 101.3
600 26.2 98.6
750 25.9 95.7
900 25.7 92.9
1050 25.4 90.2
1200 25.2 87.8
1500 24.4 83.7
1800 23.1 77.0
2100 21.3 68.7
102.6 101.1
99.5 96.8
95.9 92.5
92.5 88.5
89.3 85.1
86.4 81.9
84.0 75.8
75.8 62.9
65.5 50.1
55.1 38.2
                   4280
3800
3370
         * Load limited by spot weld shear
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.
ZSi-Foster Channel Load Data zsi-foster.com – 27 –
  
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