Strut Services Group, Inc.

Unistrut Alabama

P4100SL

$

P4100SL – 1-5/8″ x 13/16″, 14 Gage, Long Slots

Unistrut’s P4100SL has long slots on the back side for use with 3/8″ threaded rod and fasteners. These slots can eliminate the need for field drilling and allow adjustability when installing. The slots are 3″ long with 1″ spacing.

This 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 13/16″ tall x 14 ga. thick; with long slots. The slots are 13/32″ wide x 3″ long, 4″ on center and sized for use with 3/8″ threaded rod or fasteners.

Our P4100SL is available in the following finishes: Pre-Galvanized (PG), Hot-Dip Galvanized (HG), Plain (PL), Green (GR), Zinc Dichromate (ZD) and Stainless Steel (SS).

 

Part No. Length (ft) Finish Product Weight / Ft (lbs/ft)
P4100SL 20 PG 0.87
P4100SL 10 PG 0.87
P4100SL 10 HG 0.87
P4100SL 20 GR 0.87
P4100SL 10 GR 0.87
P4100SL 20 ZD 0.87
P4100SL 20 SS 0.87
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Beam Loading – P4100SL
Beam Loading – P4100SL

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)

24 383 0.11 383 357 238 1.00
36 255 0.24 213 162 111 0.98
48 196 0.44 119 94 60 0.94
60 153 0.67 77 60 43 0.91
72 128 0.96 51 43 26 0.89
84 111 1.32 43 26 17 0.86
96 94 1.67 34 26 17 0.84
108 85 2.16 26 17 9 0.82
120 77 2.67 17 17 9 0.80
144 68 4.09 17 NR NR 0.76
168 51 4.88 NR NR NR 0.73
192 51 7.28 NR NR NR 0.69
216 43 8.64 NR NR NR 0.65
240 43 11.85 NR NR NR 0.61
Note NR – Not Recommended
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Column Loading – P4100SL
Column Loading – P4100SL

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 1,840 5,610 5,210 4,570 3,850
36 1,640 4,660 3,850 2,800 1,960
48 1,310 3,490 2,480 1,590 1,100
60 1,000 2,400 1,590 KL/r>200 KL/r>200
72 770 1,670 1,100 KL/r>200 KL/r>200
Elements of Section – P4100SL
Area of Section 0.290 in2 (1.9 cm2)
Axis 1-1 Axix 2-2
Moment of Inertia (I) 0.026 in4 (1.1 cm4) 0.107 in4 (4.5 cm4)
Section Modulus (S) 0.054 in3 (0.9 cm3) 0.132 in3 (2.2 cm3)
Radius of Gyration (r) 0.298 in (0.8 cm) 0.609 in (1.5 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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