Strut Services Group, Inc.

Unistrut Alabama

P3001T

$

P3001T – 1-5/8″ x 2 3/4″, 12 Gage, Back-to-Back, Slotted

Unistrut’s P3001T, often known as 12 Gauge Standard or Deep Back-to-Back Strut Channel, is commonly used for trapeze supports, seismic bracing, ceiling grids, pipe, conduit, duct and cable tray supports, racks, and other general framing.

Product dimensions are 1 5/8″ wide x 2 3/4″ tall x 12 ga. thick, back to back. Slots are sized for a 1/2″ threaded rod or fastener. It has 85% of the capacity of the solid version of the profile.

Our P3001T is available in Pre-Galvanized (PG), Unistrut Defender (DF), Hot-Dip Galvanized (HG), Plain (PL), Green (GR), Zinc Dichromate (ZD), and Stainless Steel (SS or ST).

 

Part No. Length (ft) Finish Product Weight / Ft (lbs/ft)
P3001T 20 PG 3.4
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Beam Loading – P3001T
Beam Loading – P3001T

Span

(in)


Max Allow. Uniform Load

(lbs)


Deflection 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 2,040 0.08 2,040 2,040 2,040 1.00
48 1,530 0.15 1,530 1,530 1,369 1.00
60 1,224 0.23 1,224 1,224 876 0.98
72 1,020 0.33 1,020 918 612 0.95
84 876 0.46 876 672 451 0.92
96 765 0.59 689 519 340 0.88
108 680 0.75 544 408 272 0.85
120 612 0.93 442 332 221 0.82
144 510 1.34 306 230 153 0.76
168 434 1.81 221 170 111 0.70
192 383 2.38 170 128 85 0.64
216 340 3.01 136 102 68 0.58
240 306 3.72 111 85 NR 0.52
Note NR – Not Recommended
Note *Load limited by weld shear
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Column Loading – P3001T
Column Loading – P3001T

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)
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 KL/r>200
120 3,300 9,460 6,260 4,010 KL/r>200
144 2,620 6,590 4,350 KL/r>200 KL/r>200
Elements of Section – P3001T
Area of Section 1.000 in2 (6.5 cm2)
Axis 1-1 Axix 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 cm3) 0.501 in3 (8.2 cm3)
Radius of Gyration (r) 0.769 in (2 cm) 0.638 in (1.6 cm)
Standard Lengths:
  • 10 feet: 10′ or 10’ 1/8” (3.05m) ± 1/8″ (3 mm)
  • 20 feet: 20′ or 20’ 3/8” (6.11m) ± 1/8″ (3 mm)
Special Lengths:
  • Available with a tolerance of ±1/8″ (3 mm). Request quote.
Curved Channel:
  • Many Unistrut channel sections can be supplied with a curve. Contact us for our ordering form, specifications, and instructions.
Load Data:
  • All beam and column load data pertains to carbon steel and stainless steel channels.
  • Load tables apply only to UNISTRUT brand channel. Look for “UNISTRUT” on the product.
  • Load tables and charts are constructed to be in accordance with the SPECIFICATION FOR THE DESIGN OF COLD-FORMED STEEL STRUCTURAL MEMBERS 2007 EDITION published by the AMERICAN IRON AND STEEL INSTITUTE USING ASD METHOD.
  • Loads are based on 33 ksi steel cold formed to 42 ksi.
  • Safety Factor to Yield Strength is 1.67 for Beam Loads and 1.80 for Column Loads.
  • Beam loads are based on a simple beam and are given as a total uniform load (W) in pounds. For proper calculation procedures, refer to our Beam Load Calculation Guide.
  • For bearing loads, reference our bearing loads page.
Welds:
  • Welded channels are spot welded 2″ (51 mm) or 3″ (76 mm) on-center.

Materials & Finishes – Standard:

  • Pregalvanized (PG):  Conforms to ASTM A653 SS GR 33, G90.
  • Unistrut Defender (DF):  Conforms to ASTM A1046 SS GR 33
  • Hot Dip Galvanized (HG):  Steel conforms to ASTM A1011 SS GR 33, Finish conforms to ASTM A123
  • Perma-Green (GR):  Steel conforms to ASTM A1011 SS GR 33, E-Coat finish
  • Perma-Gold (ZD):  Steel conforms to ASTM A1011 SS GR 33, Finish conforms to ASTM B633, Type II SC3
  • Plain (PL):  Conforms to ASTM A1011 SS GR 33

Materials & Finishes – Special Metals:

  • Stainless Steel, Type 304 (SS):  ASTM A240, Type 304 *
  • Stainless Steel, Type 316 (ST):  ASTM A240, Type 316 *
  • Aluminum (EA):  ASTM B221, Type 6063-T6 (Extruded) *

* These materials have different physical properties and performance characteristics. Please contact us for design support.

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