P5501WT - 1-5/8" x 4 7/8", 12 Gage Back-to-Back, Slotted

P5501WT-No-Dimensions.png
Part No. Length (ft) Finish Product Weight / Ft (lbs/ft)
P5501WT 20 PG 4.94
P5501WT 20 HG 5.24
P5501WT 20 GR 4.94
P5501WT 20 PL 4.94
P5501WT 20 ZD 4.94

    Beam Loading

    Beam Loading - P5501WT
    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 * 5,220 0.01 * 5,220 * 5,220 * 5,220 1.00
    36 * 5,220 0.04 * 5,220 * 5,220 * 5,220 1.00
    48 4,097 0.08 4,097 4,097 4,097 0.98
    60 3,281 0.13 3,281 3,281 3,281 0.93
    72 2,737 0.19 2,737 2,737 2,737 0.87
    84 2,346 0.26 2,346 2,346 2,125 0.81
    96 2,049 0.34 2,049 2,049 1,632 0.76
    108 1,819 0.42 1,819 1,819 1,284 0.70
    120 1,641 0.52 1,641 1,564 1,046 0.64
    144 1,369 0.76 1,369 1,088 723 0.53
    168 1,173 1.03 1,063 799 536 0.45
    192 1,029 1.35 816 612 408 0.39
    216 910 1.70 646 485 323 0.34
    240 816 2.09 519 391 264 0.30
    Note *Load limited by weld shear
    Refer to the General Specifications for loading information.

    Column Loading

    Column Loading - P5501WT
    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 8,580 31,810 30,880 29,520 28,100
    36 8,350 29,700 28,100 26,000 24,070
    48 8,080 27,390 25,330 22,910 20,940
    60 7,720 25,170 22,910 20,510 17,170
    72 7,270 23,190 20,940 17,170 12,700
    84 6,780 21,510 18,740 13,430 9,330
    96 6,130 20,110 15,630 10,290 7,150
    108 5,450 17,750 12,700 8,130 5,650
    120 4,800 15,260 10,290 6,590 KL/r>200
    144 3,760 10,830 7,150 KL/r>200 KL/r>200
    168 2,970 7,950 5,250 KL/r>200 KL/r>200
    Refer to the General Specifications for loading information.

    Elements of Section

    Elements of Section - P5501WT
    Area of Section 1.452 in2 (9.4 cm2)
    Axis 1-1 Axix 2-2
    Moment of Inertia (I) 2.805 in4 (116.8 cm4) 0.669 in4 (27.8 cm4)
    Section Modulus (S) 1.151 in3 (18.9 cm3) 0.823 in3 (13.5 cm3)
    Radius of Gyration (r) 1.390 in (3.5 cm) 0.679 in (1.7 cm)

    General Specifications

    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:

    Curved Channel:

    • Many Unistrut channel sections can be supplied with a curve. Click here 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

    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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