Page 45 - ZSi-Foster Engineering Catalog - Electronic Version 2
P. 45

   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)
  W300
W300 Channel Loads 12 Gauge - 15⁄8" x 13⁄8" (41mm x 35mm)
Section Properties
1.73 0.508 0.123 0.158 0.491 0.208
(2.57) (3.28) (5.12) (2.59) (1.25) (8.66)
W300 - Allowable Beam Loads
0.256 0.64
(4.20) (1.63)
12.0 12.0 12.0
6.0 6.0 6.0
4.0 4.0 2.8
3.0 2.3 1.6
2.0 1.5 1.0
1.4 1.0 0.7
1.0 0.8 0.5
0.8 0.6 0.4
0.6 0.4 0.3
0.5 0.4 0.3
48.9 47.1 45.0
40.7 36.6 32.7
32.7 27.8 23.8
26.4 21.5 17.6
21.5 16.8 13.7
17.6 13.7 10.7
14.8 11.3 **
12.6 8.7 **
10.7 ** **
8.7 ** **
   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 2,650 0.02
24 1,320 0.07
36 880 0.15
48 660 0.26
60 530 0.41
72 440 0.59
84 380 0.81
96 330 1.05
108 290 1.31
120 260 1.62
12 3,480 11,260
24 3,260 9,830
36 2,980 8,260
48 2,640 6,890
60 2,340 5,780
72 2,080 4,880
84 1,860 4,130
96 1,680 3,550
108 1,480 3,110
120 1,280 2,740
** KL ⁄ r > 200
NR = Not Recommended
2,650 2,650 2,650
1,320 1,320 1,320
300 12.0 0.40
600 6.0 1.63
900 4.0 3.66
1,200 3.0 6.46
1,500 2.4 10.16
1,800 2.0 14.63
2,100 1.7 19.62
2,400 1.5 26.21
2,700 1.3 32.92
3,000 1.2 40.65
    880 880
660 500
430 320
300 220
220 160
170 130
130 100
110 80
600
340
210
150
110
80
70
50
                W300 - 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
   10,980 10,550
9,100 8,150
7,280 6,180
5,860 4,760
4,760 3,720
3,890 3,010
3,270 2,470
2,790 1,890
2,330 **
1,890 **
10,080
7,280
5,280
3,890
3,010
2,330
**
**
**
**
300 15.5 50.1
600 14.5 43.9
900 13.3 37.1
1,200 11.8 31.0
1,500 10.5 26.1
1,800 9.3 22.1
2,100 8.4 18.7
2,400 7.6 16.1
2,700 6.8 14.1
3,000 5.8 12.4
Beam Loading of Punched Channels
                            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.
ZSi-Foster Engineering Catalog
Load for punched channel is obtained by multiplying the loads shown by the following reduction factors:
SS - Channel with Short Slots. . . . . . . . . . . . . . 0.90 SL - Channel with Long Slots . . . . . . . . . . . . . . 0.90 H - Channel with Holes . . . . . . . . . . . . . . . . . . . 0.95 KO - Knock-Out Channel. . . . . . . . . . . . . . . . . . 0.95
WARNING: These products can expose you to chemicals including lead, which is known to the State of California to cause cancer, and which is known to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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