Page 76 - ZSi-Foster Engineering Catalog - Electronic Version 2
P. 76

W701 Channel Loads 19 Gauge - 13⁄16" x 13⁄16" (21mm x 21mm)
   Channel Part No.
  Wt./Ft. Lbs. (Kg/M)
  Area of Section Sq. in. (Sq. cm)
  X-X Axis
 Y-Y Axis
 4 (lx cm4)
lx in.
  3 (Sx cm3)
Sx in.
  rx. in. (rx. cm)
  4 (ly cm4)
ly in.
  3 (Sy cm3)
Sy in.
  ry in. (ry cm)
  W701
0.51
(0.76)
* 0.01
* 0.05
* 0.12
0.20
0.28
0.40
0.53
0.78
1.13
1.43
0.149
(0.96)
Section Properties
0.007 0.018 0.222
(0.29) (0.29) (0.56)
W701 - Allowable Beam Loads
0.014
(0.58)
0.034
(0.56)
0.307
(0.78)
0.6 * 0.6 * 0.4
0.2
0.2 0.1 NR NR NR NR
12.1
8.9
5.7
3.7
2.5
**
**
**
**
**
  Span
 Max. Uniform Load (W)
 Deflection at Load (W)
   Uniform Load at Deflection
 Span /180
 Span /240
 Span /360
In
 Lbs
  In
  Lbs
  Lbs
  Lbs
 Span
Max. Uniform Load (W)
 Deflection at Load (W)
   Uniform Load at Deflection
 Span /180
 Span /240
 Span /360
mm
kN
 mm
  kN
  kN
  kN
   12
18
24
30
36
42
48
60
72
84
140
140
140
120
100
 90
 80
 60
 50
 40
140 * 140 * 140 *
140 * 140 * 140 *
140 * 120 80
100 80 50
300 0.6 450 0.6 600 0.6 750 0.5 900 0.4
1,050 0.4 1,200 0.4 1,500 0.3 1,800 0.2 2,100 0.2
* 0.35
* 1.20
* 2.83
0.6
0.6
0.6
* * *
0.6 0.6 0.5 0.4 0.2 0.2 0.1 NR NR NR
* *
                            70
50
40
30
NR
NR
50 40 40 30 30 NR NR NR NR NR NR NR
4.74 0.5
6.83 0.3
9.76 0.2
12.96 0.2
18.98 0.1
27.33 NR
34.72 NR
                                          W701 - 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
18
24
30
36
42
48
60
72
84
820
790
740
670
580
490
420
3,150
2,930
2,570
2,180
1,770
1,390
1,070
3,040
2,690
2,210
1,710
1,250
920
700
2,910 2,690
2,330 1,960
1,710 1,250
1,150 800
800 560
590 **
** **
300
450
600
750
900 1,050 1,200 1,500 1,800 2,100
3.6
3.5
3.3
3.0
2.6
2.2
1.9
**
**
**
14.1 13.6
13.1 12.1
11.6 10.0
13.0
10.5
7.8
5.3
3.7
2.7
**
**
**
**
                 ** 680 ** ** **
** ** ** ** **
** ** ** ** **
9.8
8.1
6.4
4.9
3.2
**
**
7.8
5.7
4.2
3.2
**
**
**
         * Load limited by spot weld shear
** KL ⁄ r > 200
NR = Not Recommended
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 20 -23 for other beam support conditions.
Refer to page 77 for load reduction factor for an unbraced beam length.
– 76 –
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