AS - 172 - 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: 278

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.
2.78	0.794	0.184	0.210	0.481	0.293	0.360	0.607
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	1,850*	0.01	1,850*	1,850*	1,850*	2.8	1.00
18	1,850*	0.03	1,850*	1,850*	1,850*	4.2	1.00
24	1,760	0.06	1,760	1,760	1,760	5.6	1.00
30	1,410	0.09	1,410	1,410	1,290	7.0	1.00
36	1,180	0.13	1,180	1,180	890	8.3	1.00
42	1,010	0.18	1,010	980	660	9.7	1.00
48	880	0.23	880	750	500	11.1	1.00
60	710	0.37	640	480	320	13.9	1.00
72	590	0.53	450	340	220	16.7	0.97
84	500	0.72	330	250	160	19.5	0.94
96	440	0.94	250	190	130	22.2	0.92
108	390	1.18	200	150	100	25.0	0.89
120	350	1.46	160	120	80	27.8	0.87
144	290	2.10	110	80	60	33.4	0.82
168	250	2.86	80	60	40	38.9	0.77
180	240	3.29	70	50	NR	41.7	0.74
192	220	3.74	60	50	NR	44.5	0.72
216	200	4.74	NR	NR	NR	50.0	0.67
240	180	5.85	NR	NR	NR	55.6	0.62

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	4,480	18,240	18,090	17,840	17,550
18	4,390	17,880	17,550	17,030	16,410
24	4,260	17,390	16,830	15,940	14,930
30	4,110	16,780	15,940	14,650	13,220
36	3,930	16,060	14,930	13,220	11,390
42	3,740	15,260	13,810	11,700	9,560
48	3,540	14,380	12,620	10,160	7,810
60	3,110	12,470	10,160	7,250	5,040
72	2,690	10,470	7,810	5,040	3,500
84	2,290	8,520	5,780	3,700	**
96	1,960	6,700	4,430	2,830	**
108	1,700	5,300	3,500	**	**
120	1,480	4,290	2,830	**	**
144	**	2,980	**	**	**
168	**	**	**	**	**
180	**	**	**	**	**
192	**	**	**	**	**
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 mjust be subtracted from these capacitites 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 midspan 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 - 172 - A

Notes