Page 12 - Channel Loads
P. 12

W200SS - 12 Gauge Channel
15⁄8" x 15⁄8" (41mm x 41mm) with 9⁄16" x 11 ⁄8" Short Slots on 6" centers
   15⁄8" 7⁄8"
3⁄8"
XX
0.72"
YY
  15⁄8"
10 mm
41mm 18mm
41mm 22mm
 W200SS 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)
   W200SS - Allowable Beam Loads
12 3,132 0 .01 3,132 3,132 3,132 1 .00 300 14.1 0.35
24 1,566 0 .06 1,566 1,566 1,566 1 .00 600 7.1 1.39
36 1,044 0 .13 1,044 1,044 819 0 .93 900 4.7 3.13
14.1 14.1 14.1
0 .652
(1.66)
1.00 1.00 0.94 0.87 0.82 0.78 0.74 0.71 0.68 0.65
49.6
35.1
24.1
17.3
13.5
10.9
9.1
7.6
KL/r >200
KL/r >200
1 .91 0 .561 0 .188 0 .207 0 .579 0 .238
(2.84) (3.62) (7.83) (3.39) (1.47) (9.91)
0 .293
(4.80)
 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
               48 783
60 630
72 522
84 450
96 387
108 351
120 315
12
24
36
48
60
72
84
96
108
120
0 .23 783 693 459 0 .87 1,200 3.5 5.53
0 .35 594 441 297 0 .82 1,500 2.8 8.72
7.1
4.7
3.5
2.7
7.1 7.1
4.7 3.8
3.2 2.1
2.0 1.4
1.4 1.0
1.0 0.7
0.8 0.5
0.6 0.4
0.5 0.3
54.0 52.0
44.7 39.7
35.1 29.0
27.3 21.4
21.4 16.5
17.3 13.5
14.5 11.3
12.5 9.6
10.9 8.3
        0 .51 414 306 207 0 .77 1,800 2.4 12.52 1.9
0 .70 306 225 153 0 .74 2,100 2.0 16.85 1.4
0 .89 234 171 117 0 .70 2,400 1.8 22.13 1.1
1 .15 180 135 90 0 .67 2,700 1.6 27.93 0.8
1 .42 144 108 72 0 .65 3,000 1.4 34.39 0.7
                     W200SS - 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
   3,870 12,430
3,620 10,830
3,250 8,970
2,800 7,300
2,410 5,940
2,110 4,850
1,870 4,060
1,680 3,490
1,530 3,060
1,390 2,710
12,120 11,640
9,970 8,830
7,780 6,420
6,030 4,710
4,710 3,650
3,820 2,970
3,210 2,490
2,760 2,120
2,410 1,830
2,120 KL/r >200
11,110
7,780
5,330
3,820
2,970
2,410
1,990
1,670
KL/r >200
KL/r >200
300 17.3 55.4
600 16.1 48.4
900 14.5 40.3
1,200 12.6 32.9
1,500 10.9 26.8
1,800 9.5 22.0
2,100 8.5 18.4
2,400 7.6 15.8
2,700 6.9 13.8
3,000 6.3 12.3
9.6
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.
– 12 –
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