P1000DS - 1-5/8" x 1-5/8", 12 Gage; with Double Slots

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Part No. Length (ft) Finish Product Weight / Ft (lbs/ft)
P1000DS 20 PG 1.73
P1000DS 10 PG 1.73
P1000DS 20 HG 1.834
P1000DS 10 HG 1.834
P1000DS 20 GR 1.73
P1000DS 10 GR 1.73
P1000DS 20 PL 1.73
P1000DS 10 PL 1.73

    Beam Loading

    Beam Loading - P1000DS
    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 1,183 0.06 1,183 1,183 1,183 1.00
    36 791 0.13 791 791 630 0.94
    48 595 0.22 595 532 350 0.88
    60 476 0.35 455 336 224 0.82
    72 392 0.50 315 238 154 0.78
    84 336 0.68 231 175 112 0.75
    96 294 0.89 175 133 91 0.71
    108 266 1.14 140 105 70 0.69
    120 238 1.40 112 84 56 0.66
    144 196 2.00 77 56 42 0.61
    168 168 2.72 56 42 28 0.55
    192 147 3.55 42 35 NR 0.51
    216 133 4.58 35 28 NR 0.47
    240 119 5.62 28 NR NR 0.44
    Note NR - Not Recommended
    Refer to the General Specifications for loading information.

    Column Loading

    Column Loading - P1000DS
    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 3,550 10,740 9,890 8,770 7,740
    36 3,190 8,910 7,740 6,390 5,310
    48 2,770 7,260 6,010 4,690 3,800
    60 2,380 5,910 4,690 3,630 2,960
    72 2,080 4,840 3,800 2,960 2,400
    84 1,860 4,040 3,200 2,480 1,980
    96 1,670 3,480 2,750 2,110 1,660
    108 1,510 3,050 2,400 1,810 KL/r>200
    120 1,380 2,700 2,110 KL/r>200 KL/r>200
    144 1,150 2,180 1,660 KL/r>200 KL/r>200
    Refer to the General Specifications for loading information.

    Elements of Section

    Elements of Section - P1000DS
    Area of Section 0.555 in2 (3.6 cm2)
    Axis 1-1 Axix 2-2
    Moment of Inertia (I) 0.185 in4 (7.7 cm4) 0.236 in4 (9.8 cm4)
    Section Modulus (S) 0.202 in3 (3.3 cm3) 0.290 in3 (4.8 cm3)
    Radius of Gyration (r) 0.577 in (1.5 cm) 0.651 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.