P1001C41 - 3-1/4" x 3-1/4", 12 Gage, Quadruple Combination

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Part No. Length (ft) Finish Product Weight / Ft (lbs/ft)
P1001C41 20 PG 7.55
P1001C41 10 PG 7.55
P1001C41 10 HG 8.056
P1001C41 20 HG 8.056
P1001C41 20 GR 7.55
P1001C41 10 GR 7.55
P1001C41 20 PL 7.55
P1001C41 10 PL 7.55

    Beam Loading

    Beam Loading - P1001C41
    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 * 7,040 0.02 * 7,040 * 7,040 * 7,040 1.00
    36 6,380 0.07 6,380 6,380 6,380 1.00
    48 4,790 0.13 4,790 4,790 4,790 1.00
    60 3,830 0.20 3,830 3,830 3,240 1.00
    72 3,190 0.28 3,190 3,190 2,250 0.98
    84 2,740 0.39 2,740 2,480 1,660 0.95
    96 2,390 0.50 2,390 1,900 1,270 0.93
    108 2,130 0.64 2,000 1,500 1,000 0.90
    120 1,910 0.78 1,620 1,220 810 0.87
    144 1,600 1.14 1,130 840 560 0.82
    168 1,370 1.55 830 620 410 0.77
    192 1,200 2.02 630 480 320 0.72
    216 1,060 2.54 500 380 250 0.67
    240 960 3.16 410 300 200 0.62
    Note *Load limited by weld shear
    Refer to the General Specifications for loading information.

    Column Loading

    Column Loading - P1001C41
    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 12,690 46,920 44,980 42,360 39,890
    36 12,250 42,680 39,890 36,660 34,050
    48 11,820 38,740 35,720 32,640 30,430
    60 11,470 35,500 32,640 29,980 28,220
    72 11,180 32,970 30,430 28,220 26,820
    84 10,900 31,040 28,840 27,010 24,870
    96 10,580 29,570 27,680 26,170 19,840
    108 10,310 28,440 26,820 22,310 15,670
    120 10,070 27,560 26,170 18,280 12,700
    144 8,740 26,320 19,840 12,700 8,820
    168 7,360 21,890 14,570 9,330 KL/r>200
    Refer to the General Specifications for loading information.

    Elements of Section

    Elements of Section - P1001C41
    Area of Section 2.221 in2 (14.3 cm2)
    Axis 1-1 Axix 2-2
    Moment of Inertia (I) 1.856 in4 (77.3 cm4) 2.408 in4 (100.2 cm4)
    Section Modulus (S) 1.142 in3 (18.7 cm3) 1.482 in3 (24.3 cm3)
    Radius of Gyration (r) 0.914 in (2.3 cm) 1.041 in (2.6 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.