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Unistrut A3300

Unistrut A3300 - 1-1/4" x 3/4", 14 Gauge Channel, Stainless Steel
Robexstrut is a trusted dealer and supplier of premium-quality unistrut products, including the versatile A3300 unistrut channel. With certifications ensuring reliability, we pride ourselves on offering top-notch channels to meet your framing needs. The unistrut A3300 is available in various grades of stainless steel, ensuring durability and corrosion resistance. We offer these A3300 channels in 1 1/4″ wide x 3/4″ tall x 14 ga. thick, solid and comes in Pre-Galvanized (PG), Plain (PL) and Stainless Steel (SS).
- Chief Sourcing Partner for Unistrut A3300
- Trusted Supplier of Unistrut A3300 in India
- Stockist of A3300 Strut Channel in Mumbai
- 1 1⁄4" Framing System – A3300 Unistrut Channel
Get custom solutions for your Unistrut A3300 metal framing needs—contact us now!
Unistrut A3300 Channel Suppliers in India
Unistrut A3300 Specification
Standard Lengths:
- Up to 12 meters in length.
Dimensions & Weight
- Width: 1-1/4 inches (31.8 mm)
- Depth: 3/4 inch (19.1 mm)
- Gauge: 14
- Weight per Foot: 0.78 lbs/ft
Material :
- Steel (typically stainless steel or galvanized (GI)
- Stainless Steel, Type 304 (SS): ASTM A240, Type 304
- Stainless Steel, Type 316 (ST): ASTM A240, Type 316
Finishes :
- Pregalvanized (PG): Conforms to ASTM A653 SS GR 33, G90
- 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
- Plain (PL): Conforms to ASTM A1011 SS GR 33
Get the Best Deals on Unistrut A3300 Channel, Ready Stock of Stainless Steel Unistrut A3300 for Sale
Features & Applications of Unistrut A3300
- Undergoes several quality and durability tests.
- Punched holes are available for hassle-free installation.
- Custom sizes are available to suit specific project requirements.
- Ideal for supporting electrical and mechanical systems, HVAC installations, and lightweight structural frameworks.
- Perfect for supporting cable trays, conduits, HVAC equipment, and other mechanical installations.
A3300 Unistrut Load Capacity
Bearing Loads on Unistrut A3300 Channel
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| Channel | Bearing Length 1 ¼" (31.8 mm) Maximum Allowable Loads - Lbs (kN) |
Bearing Length 1 ¼" (31.8 mm) Maximum Allowable Loads - Lbs (kN) |
Bearing Length 2 ½" (63.5 mm) Maximum Allowable Loads - Lbs (kN) |
| A3300 | 3,800 16.90 |
1,700 7.56 |
4,300 19.13 |
A3300 - Beam Loading (Imperial)
| 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) | ||||
| 18 | 420 | 0.07 | 420 | 420 | 320 | 1.00 |
| 24 | 320 | 0.12 | 320 | 270 | 180 | 1.00 |
| 36 | 210 | 0.26 | 160 | 120 | 80 | 0.97 |
| 48 | 160 | 0.47 | 90 | 70 | 50 | 0.94 |
| 60 | 130 | 0.75 | 60 | 40 | 30 | 0.91 |
| 72 | 110 | 1.09 | 40 | 30 | 20 | 0.89 |
| 84 | 90 | 1.42 | 30 | 20 | 10 | 0.87 |
| 96 | 80 | 1.88 | 20 | 20 | 10 | 0.85 |
A3300 - Beam Loading (Metric)
| Span MM | Max Allowable Uniform Load kN | Defl. at Uniform Load MM | Uniform Loading at Deflection | ||
| Span/180 kN | Span/240 kN | Span/360 kN | |||
| 600 | 1.4 | 3 | 1.4 | 1.2 | 0.8 |
| 750 | 1.2 | 5 | 1.1 | 0.8 | 0.5 |
| 1,000 | 0.8 | 8 | 0.6 | 0.4 | 0.3 |
| 1,250 | 0.7 | 12 | 0.4 | 0.3 | 0.2 |
| 1,500 | 0.6 | 18 | 0.3 | 0.2 | 0.1 |
| 1,750 | 0.5 | 24 | 0.2 | 0.1 | 0.1 |
| 2,000 | 0.4 | 33 | 0.1 | 0.1 | 0.1 |
A3300 - Column Loading (Imperial)
| Unbraced Height In | Maxiumum Allowable Load at Slot Face Lbs | Maximum Column Load Applied at C.G. | |||
| K = 0.65 Lbs | K = 0.80 Lbs | K = 1.0 Lbs | K = 1.2 Lbs | ||
| 18 | 1,430 | 4,490 | 4,210 | 3,860 | 3,550 |
| 24 | 1,370 | 4,090 | 3,750 | 3,310 | 2,680 |
| 36 | 1,190 | 3,390 | 2,680 | 1,820 | 1,260 |
| 48 | 900 | 2,380 | 1,600 | 1,020 | ** |
| 60 | 680 | 1,550 | 1,020 | ** | ** |
A3300 - Column Loading (Metric)
| Unbraced Height MM | Maxiumum Allowable Load at Slot Face kN | Maximum Column Load Applied at C.G. | |||
| K = 0.65 kN | K = 0.80 kN | K = 1.0 kN | K = 1.2 kN | ||
| 600 | 6.1 | 18.3 | 16.8 | 14.9 | 12.2 |
| 750 | 5.8 | 16.7 | 14.9 | 11.5 | 8.4 |
| 1,000 | 4.9 | 13.8 | 10.4 | 6.8 | 4.7 |
| 1,250 | 3.9 | 10.1 | 6.8 | 4.3 | KL/r>200 |
| 1,500 | 3.1 | 7.1 | 4.7 | KL/r>200 | KL/r>200 |
A3300 - Elements of Section (Imperial)
| Parameter | A3300 | |
| Area of Section | 0.230 | In2 |
| Axis 1-1 | ||
| Moment of Inertia (I) | 0.017 | In4 |
| Section Modulus (S) | 0.038 | In3 |
| Radius of Gyration (r) | 0.269 | In |
| Axis 2-2 | ||
| Moment of Inertia (I) | 0.052 | In4 |
| Section Modulus (S) | 0.083 | In3 |
| Radius of Gyration (r) | 0.477 | In |
A3300 - Elements of Section (Metric)
| Parameter | A3300 | |
| Area of Section | 1.48 | cm2 |
| Axis 1-1 | ||
| Moment of Inertia (I) | 0.69 | cm4 |
| Section Modulus (S) | 0.62 | cm3 |
| Radius of Gyration (r) | 0.68 | cm |
| Axis 2-2 | ||
| Moment of Inertia (I) | 2.17 | cm4 |
| Section Modulus (S) | 1.37 | cm3 |
| Radius of Gyration (r) | 1.21 | cm |
Unistrut A3300 Series

Unistrut A3301
A3301 : 1-1/4″ x 1-1/2″ (31.8 mm x 38.1 mm), 14 Ga, Double Channel
Wt/100 Ft: 156 Lbs (232 kg/100m)
Allowable Moment 2,590 In-Lbs (290 N•m)
14 Gauge Nominal Thickness .075″ (1.9mm)
Unistrut A3300 Channel Applications









Product
- Unistrut Channel
- Stainless Steel Unistrut Channel
- Galvanized Unistrut Channel
- Slotted Channel Strut
- Gi Slotted Channel
- Back To Back Strut
- Solid Strut Channel
- Unistrut P1000
- Unistrut P1001
- Unistrut P1100
- Unistrut P2000
- Unistrut P3000
- Unistrut P3300
- Unistrut P4000
- Unistrut P4100
- Unistrut P4400
- Unistrut P4520
- Unistrut P5000
- Unistrut P5001
- Unistrut P5500
- Unistrut P6000
- Unistrut P7000
- Unistrut A1000
- Unistrut A3300
- Electro Galvanized Unistrut
- SS slotted channel
- SS Back to Back Channel
- Unistrut Plain Channel Bracket
- Unistrut Hardware / Fasteners
- Unistrut Channel Fittings
- Unistrut Pipe & Conduit Clamps
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