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Unistrut P5000 - 1-5/8" x 3-1/4", 12 Gauge Metal Framing Channel

UNISTRUT P5000 Framing

The Unistrut P5000 1-5/8" x 3-1/4" channel is our tallest standard member and has a 12 ga (.105") wall.

Part No. Finish Length (ft) Weight Per Foot
P5000-10-GR Perma-Green® III 10' 3.050 Lbs.
P5000-20-GR Perma-Green® III 20' 3.050 Lbs.
P5000-10-PG Pre-Galvanized Zinc 10' 3.050 Lbs.
P5000-20-PG Pre-Galvanized Zinc 20' 3.050 Lbs.
P5000-10-HG Hot-Dipped Galvanized 10' 3.233 Lbs.
P5000-20-HG Hot-Dipped Galvanized 20' 3.233 Lbs.
P5000-10-ZD Perma-Gold™ 10' 3.050 Lbs.
P5000-20-ZD Perma-Gold™ 20' 3.050 Lbs.
P5000-10-PL Plain 10' 3.050 Lbs.
P5000-20-PL Plain 20' 3.050 Lbs.

View the Unistrut Finish Specifications PDF for detailed specifications on all finishes.

  • GR = Perma-Green® III
  • PG = Pre-Galvanized Zinc
  • HG = Hot-Dipped Galvanized
  • ZD = Perma-Gold™
  • PL = Plain
  • SS = Stainless Steel (304)
  • ST = Stainless Steel (316)

Available Piercings and Combinations

P5000HS

P5000KO

P5000SL

P5000T


Dimensional Data for Pierced & Slotted Channels

  • DS = Double Slotted. Slots are 2-3/4" (70mm) x 7/8" (22mm). 3-1/2"(89mm) on Center with 3/4"(19mm) spacing between slots.
  • HS = Round Holes on one side. Holes are 9/16" (14mm) in Diameter. 1-7/8" (48mm) on Center.
  • H3 = Round Holes on all three sides. Holes are 9/16" (14mm) in Diameter. 1-7/8" (48mm) on Center.
  • KO = Knockouts. Knockouts are 7/8" (22mm) in Diameter. 6" (152mm) on Center.
  • SL = Long Slots. Slots are 3" (76mm) x 13/32" (10.3mm). 4"(102mm) on Center.
  • T = Slotted. Slots are 1-1/8" (29mm) x 9/16" (14mm). 2"(51mm) on Center.

Elements of Section - P5000

Area of Section 0.897 in2 (5.8 cm2)
Axis 1-1 Axis 2-2
Moment of Inertia (I) 1.098 in4 (45.7 cm4) 0.433 in4 (18.0 cm4)
Section Modulus (S) 0.627 in3 (10.3 cm3) 0.533 in3 (8.7 cm3)
Radius of Gyration (r) 1.107 in (2.8 cm ) 0.695 in (1.8 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

Column Loading - P5000

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 5,650 16,870 15,180 12,850 10,600
36 4,690 13,140 10,600 7,650 5,660
48 3,560 9,550 6,860 4,790 3,660
60 2,730 6,680 4,790 3,450 2,710
72 2,160 4,980 3,660 2,710 2,170
84 1,760 3,950 2,960 2,240 1,820
96 1,500 3,270 2,500 1,930 1,580
108 1,310 2,800 2,170 1,690 1,390
120 1,170 2,450 1,930 1,510 *
144 980 1,980 1,580 * *
168 850 1,670 1,340 * *

*KL/r > 200
See notes below for more information

Beam Loading - P5000

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 5,260 0.03 5,260 5,260 5,260 0.98
36 3,500 0.07 3,500 3,500 3,500 0.85
48 2,630 0.12 2,630 2,630 2,630 0.70
60 2,100 0.18 2,100 2,100 1,920 0.55
72 1,750 0.26 1,750 1,750 1,330 0.44
84 1,500 0.36 1,500 1,470 980 0.38
96 1,310 0.47 1,310 1,120 750 0.33
108 1,170 0.59 1,170 890 590 0.30
120 1,050 0.73 960 720 480 0.28
144 880 1.06 670 500 330 0.24
168 750 1.43 490 370 240 0.22
192 660 1.88 370 280 190 0.21
216 580 2.35 300 220 150 0.19
240 530 2.95 240 180 120 0.18

*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.

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