AS - 142 - A | Channels

Call to order - 704-375-0776

Notes: Stock in pre-galvanized, plain, powder coated Super-Green in 10 & 20 ft lengths. Also available in Stainless Steel 304 & 316 alloys. Other materials, finishes and lengths are available upon request.

Weight: Wt/100 Ft: 352

Section Properties
Wt./Ft. Lbs	Area of Section Sq. In.	X-X Axis I in4	X-X Axis S in3	X-X r in.	X-X Axis I in4	Y-Y Axis S in3	Y-Y Axis r in.
3.52	1.001	0.61	0.441	0.779	0.413	0.5	0.64
I = Moment of Inertia S = Section Modulus r = Radius of Gyration

Static Beam Loads
Span	Max Allow. Uniform Load	Defl. at Uniform Load	Uniform Load at. Span/180 Defl.	Uniform Load at Defl. Span/240 Defl.	Uniform Load at Defl. Span/360 Defl.	Weight of Channel	Lateral Bracing Reduction Factor
12	2,960*	0.01	2,960*	2,960*	2,960*	3.5	1.00
18	2,960*	0.02	2,960*	2,960*	2,960*	5.3	1.00
24	2,960*	0.04	2,960*	2,960*	2,960*	7.0	1.00
30	2,960*	0.06	2,960*	2,960*	2,960*	8.8	1.00
36	2,470	0.08	2,470	2,470	2,470	10.6	1.00
42	2,110	0.11	2,110	2,110	2,110	12.3	1.00
48	1,850	0.15	1,850	1,850	1,660	14.1	1.00
60	1,480	0.23	1,480	1,480	1,060	17.6	0.98
72	1,230	0.33	1,230	1,110	740	21.1	0.95
84	1,060	0.46	1,060	810	540	24.6	0.91
96	930	0.60	830	620	410	28.2	0.88
108	820	0.75	660	490	330	31.7	0.85
120	740	0.93	530	400	270	35.2	0.82
144	620	1.34	370	280	180	42.2	0.75
168	530	1.82	270	200	140	49.3	0.69
180	490	2.09	240	180	120	52.8	0.66
192	460	2.38	210	160	100	56.3	0.63
216	410	3.01	160	120	80	63.4	0.57
240	370	3.72	130	100	NR	70.4	0.51

Column Loading Data
Unbraced Height	Max Allow. Load at Slot Face	Max Column Load @ C.G. k=0.65	Max Column Load @ C.G. k=0.80	Max Column Load @ C.G. k=1.00	Max Column Load @ C.G. k=1.20
12	5,950	23,150	23,040	22,870	22,660
18	5,890	22,890	22,660	22,280	21,820
24	5,810	22,540	22,130	21,470	20,690
30	5,710	22,090	21,470	20,470	19,320
36	5,590	21,560	20,690	19,320	17,770
42	5,460	20,940	19,800	18,040	16,110
48	5,310	20,260	18,820	16,670	14,370
60	4,970	18,700	16,670	13,790	10,940
72	4,590	16,950	14,370	10,940	7,850
84	4,190	15,100	12,060	8,300	5,770
96	3,780	13,210	9,850	6,360	4,410
108	3,360	11,360	7,850	5,020	**
120	2,990	9,590	6,360	4,070	**
144	2,400	6,690	4,410	**	**
168	**	4,910	**	**	**
180	**	4,280	**	**	**
192	**	3,760	**	**	**
216	**	**	**	**	**
240	**	**	**	**	**

#Bearing Load may limit load

NR = Not Recommended

**Not recommended - KL/r exceeds 200

Notes

The beam capacities shown above include the weight of the strut beam. The beam weight must be subtracted from these capacities to arrive at the net beam capacity.
Allowable beam loads are based on a uniformly loaded, simply supported beam. For capacities of a beam loaded at mid span at a single point, multiply the beam capacity by 50% and deflection by 80%.
The above chart shows beam capacities for strut without holes. For strut with holes, multiply by the following:
- OS by 88%
- OS3 by 90%
- RS ( 9/16 holes ) by 88%
- RS3 ( 9/16 holes ) by 88%
- RS-MOD ( 3/4 holes ) by 85%
- RS-MOD2 ( 9/16 holes ) by 88%
- KO by 82%

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AS - 142 - A

Notes