P2000KO - 1-5/8" x 1-5/8", 16 Gage; Knock Outs

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Part No. Length (ft) Finish Product Weight / Ft (lbs/ft)
P2000KO 20 GR 1.17
P2000KO 10 GR 1.17
P2000KO 20 PL 1.17
P2000KO 10 PL 1.17

    Beam Loading

    Beam Loading - P2000KO
    Span
    (in)
    Max Allowable 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 1,112 0.06 1,112 1,112 1,112 1.00
    36 741 0.13 741 741 580 0.88
    48 561 0.23 561 485 323 0.75
    60 447 0.36 418 314 209 0.61
    72 371 0.52 285 219 143 0.48
    84 323 0.71 209 162 105 0.41
    96 276 0.91 162 124 86 0.35
    108 247 1.16 124 95 67 0.32
    120 219 1.41 105 76 48 0.29
    144 190 2.12 76 57 38 0.25
    168 162 2.86 57 38 29 0.23
    192 143 3.76 38 29 19 0.21
    216 124 4.64 29 29 NR 0.19
    240 114 5.88 29 NR NR 0.18
    Note NR - Not Recommended
    Refer to the General Specifications for loading information.

    Column Loading

    Column Loading - P2000KO
    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 2,400 6,650 6,080 5,280 4,470
    36 2,050 5,380 4,470 3,370 2,500
    48 1,600 4,090 3,040 2,100 1,590
    60 1,230 2,960 2,100 1,500 1,160
    72 970 2,190 1,590 1,160 910
    84 790 1,720 1,270 950 760
    96 660 1,410 1,060 800 650
    108 570 1,200 910 700 KL/r>200
    120 510 1,040 800 620 KL/r>200
    144 420 830 650 KL/r>200 KL/r>200
    Refer to the General Specifications for loading information.

    Elements of Section

    Elements of Section - P2000KO
    Area of Section 0.342 in2 (2.2 cm2)
    Axis 1-1 Axix 2-2
    Moment of Inertia (I) 0.125 in4 (5.2 cm4) 0.151 in4 (6.3 cm4)
    Section Modulus (S) 0.140 in3 (2.3 cm3) 0.186 in3 (3 cm3)
    Radius of Gyration (r) 0.604 in (1.5 cm) 0.665 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.

    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.