P3300HS - 1-5/8" x 7/8", 12 Gage, Round Holes

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Cut Sheet
Part No. Length (ft) Finish Product Weight / Ft (lbs/ft)
P3300HS 10 PG 1.3
P3300HS 20 PG 1.3
P3300HS 10 HG 1.378
P3300HS 20 HG 1.378
P3300HS 20 GR 1.3
P3300HS 10 GR 1.3
P3300HS 20 PL 1.3
P3300HS 10 PL 1.3
P3300HS 20 SS 1.3
P3300HS 20 ST 1.3

    Beam Loading

    Beam Loading - P3300HS
    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)
    24 540 0.10 540 540 360 1.00
    36 360 0.22 324 243 162 1.00
    48 270 0.40 180 135 90 1.00
    60 216 0.62 117 90 54 0.98
    72 180 0.89 81 63 36 0.97
    84 153 1.20 63 45 27 0.96
    96 135 1.59 45 36 27 0.94
    108 117 1.96 36 27 18 0.93
    120 108 2.48 27 18 18 0.92
    Refer to the General Specifications for loading information.

    Column Loading

    Column Loading - P3300HS
    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 2,360 7,740 7,260 6,350 5,390
    36 2,120 6,470 5,390 3,990 2,810
    48 1,760 4,910 3,550 2,270 1,580
    60 1,380 3,440 2,270 1,460 KL/r>200
    72 1,080 2,390 1,580 KL/r>200 KL/r>200
    Refer to the General Specifications for loading information.

    Elements of Section

    Elements of Section - P3300HS
    Area of Section 0.395 in2 (2.5 cm2)
    Axis 1-1 Axix 2-2
    Moment of Inertia (I) 0.037 in4 (1.5 cm4) 0.143 in4 (6 cm4)
    Section Modulus (S) 0.072 in3 (1.2 cm3) 0.176 in3 (2.9 cm3)
    Radius of Gyration (r) 0.306 in (0.8 cm) 0.601 in (1.5 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.