Unistrut P3001 - 1-5/8" x 2 3/4", 12 Gauge, Back-to-Back
Metal Framing Channel

The Unistrut P3001 is a 1-5/8" x 2-3/4" back-to-back channel. The P3001 is slightly shorter than the P1001 and has a 12 ga (.105") wall.

Resources

• P3001 Submittal PDF
• Related Channel Nuts
• Aluminum and Stainless Steel PDF
• Complete Unistrut Catalog

Elements of Section - P3001
Area of Section	1.000 in2 (6.5 cm2)
	Axis 1-1	Axis 2-2
Moment of Inertia (I)	0.591 in4 (24.6 cm4)	0.407 in4 (16.9 cm4)
Section Modulus (S)	0.430 in3 (7.0 cm3)	0.501 in3 (8.2 cm3)
Radius of Gyration (r)	0.769 in (2.0 cm )	0.638 in (1.6 cm )

Raw steel conforms to the following ASTM specifications:

GAUGE	FINISH	ASTM NO.
12	GR & HG	A1011 SS GR 33
	PG	A653 GR 33
14	GR & HG	A1011 SS GR 33
	PG	A653 GR 33
16	GR & HG	A1011 SS GR 33
	PG	A653 GR 33
19	GR	A1008
GR = Perma-Green® III PG = Pre-Galvanized Zinc HG = Hot-Dipped Galvanized

 

Part No.	Finish	Length (ft)	Weight Per Foot
P3001-10-GR	Perma-Green® III	10'	3.400 Lbs.
P3001-20-GR	Perma-Green® III	20'	3.400 Lbs.
P3001-10-PG	Pre-Galvanized Zinc	10'	3.400 Lbs.
P3001-20-PG	Pre-Galvanized Zinc	20'	3.400 Lbs.
P3001-10-HG	Hot-Dipped Galvanized	10'	3.604 Lbs.
P3001-20-HG	Hot-Dipped Galvanized	20'	3.604 Lbs.
P3001-10-ZD	Perma-Gold™	10'	3.400 Lbs.
P3001-20-ZD	Perma-Gold™	20'	3.400 Lbs.
P3001-10-PL	Plain	10'	3.400 Lbs.
P3001-20-PL	Plain	20'	3.400 Lbs.
View the Unistrut Finish Specifications PDF for detailed specifications on all finishes. GR = Perma-Green® III PG = Pre-Galvanized Zinc ZD = Perma-Gold™ HG = Hot-Dipped Galvanized PL = Plain

Column Loading - P3001
Unbraced Height (in)	Allowable Load at Slot Face (lbs)	Max Column Load Applied at C.G.
		K=0.65 (lbs)	K=0.80 (lbs)	K=1.0 (lbs)	K=1.2 (lbs)
24	5,740	21,780	21,200	20,430	19,720
36	5,620	20,520	19,720	18,830	17,680
48	5,520	19,400	18,570	16,570	14,260
60	5,330	18,510	16,570	13,670	10,810
72	5,030	16,850	14,260	10,810	7,730
84	4,630	14,990	11,930	8,180	5,680
96	4,190	13,090	9,720	6,260	4,350
108	3,720	11,230	7,730	4,950	*
120	3,300	9,460	6,260	4,010	*
144	2,620	6,590	4,350	*	*
*KL/r > 200 See notes below for more information

Beam Loading - P3001
Span (in)	Max Allowable Uniform Load (lbs)	Defl at Uniform load (in)	Uniform Loading at Deflection			Lateral Bracing Reduction Factor
			Span /180 (lbs)	Span /240 (lbs)	Span /360 (lbs)
24	*2,960	0.03	*2,960	*2,960	*2,960	1.00
36	2,400	0.08	2,400	2,400	2,400	1.00
48	1,800	0.15	1,800	1,800	1,610	1.00
60	1,440	0.23	1,440	1,440	1,030	0.98
72	1,200	0.33	1,200	1,080	720	0.95
84	1,030	0.46	1,030	790	530	0.92
96	900	0.59	810	610	400	0.88
108	800	0.75	640	480	320	0.85
120	720	0.93	520	390	260	0.82
144	600	1.34	360	270	180	0.76
168	510	1.81	260	200	130	0.70
192	450	2.38	200	150	100	0.64
216	400	3.01	160	120	80	0.58
240	360	3.72	130	100	-	0.52
*Load limited by weld shear See notes below for more information

Notes:

1. Beam loads are given in total uniform load (W Lbs) not uniform load (w lbs/ft or w lbs/in).

2. Beam loads are based on a simple span and assumed to be adequately laterally braced. Unbraced spans can reduce beam load carrying capacity. Refer to the linked page for reduction factors for unbraced lengths from 2 to 20 feet.

3. For pierced channel, multiply beam loads by the following factor:

• "KO" Series .......95%
• "T" Series ..........85%
• "HS" Series .......90%
• "SL" Series ........85%
• "H3" Series ........90%
• "DS" Series ........70%

4. Deduct channel weight from the beam loads.

5. For concentrated midspan point loads, multiply beam loads by 50% and the corresponding deflection by 80%. Follow this link for information regarding other load conditions.

6. All beam loads are for bending about Axis 1-1.

Sample calculation #1:

Here is a sample calculation to demonstrate the beam loading charts, and the load reduction factors.

Say we have an 6’ span of P1000sl, and want to see what the load capacity is for a point load.

Per the charts, P1000 is good for a maximum allowable uniform load (not load per foot) of 560 lbs. In referencing the notes below, we have the following load reductions:

- X .85 for the sl

- X .5 for a point load in the center

- X .78 load reduction per page 56

Therefore 560 lbs x .85 x .5 x .78 = 185 lbs.

Sample Calculation #2.

Say we have a 5’ span of P1001, and want to see the load capacity for a point load.

Per the charts, p1001 is good for a maximum allowable uniform load (not load per foot) of 1,910 lbs. In referencing the notes below, we have the following load reductions:

- X .5 for a point load in the center

- X .97 load reduction

Therefore 1,910 lbs x .5 x. 97 = 926 lbs.

Note that these assume that the strut connection is able to handle the load. It is the responsibility of you and your Engineer to review all calculations and connections, and to verify that all items are installed per Unistrut requirements. Unistrut Service Company takes no responsibility for the misuse of information provided. Local codes may dictate more stringent requirements.

Available Piercings and Combinations
P3001T

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