
When it comes to construction, every inch and every pound of steel matters. That’s where the C4 x 5.4 channel comes in. Known for its balance of strength and light weight, this channel is a popular pick in the world of structural steel. But what exactly are the C4 x 5.4 channel dimensions, and why do builders, engineers, and fabricators keep coming back to them? Let’s break it down.
What Does C4 x 5.4 Mean?
The designation C4 x 5.4 follows the American Institute of Steel Construction (AISC) standard naming system:
- C = Channel section
- 4 = Nominal depth of 4 inches
- 5.4 = Weight per foot in pounds
To make this clearer, here’s a quick dimension table:
| Specification | Value |
|---|---|
| Section Type | Steel Channel (C-shape) |
| Nominal Depth | 4 inches |
| Weight per Foot | 5.4 lbs |
| Average Flange Width | ~1.58 inches |
| Web Thickness | ~0.184 inches |
| Typical Material | ASTM A36 / ASTM A992 Steel |
Practical Applications of C4 x 5.4 Channel Dimensions
The C4 x 5.4 channel isn’t the biggest or the heaviest steel member out there, but that’s exactly why it’s useful. It’s compact, manageable, and still tough enough for a range of construction and fabrication needs. Here’s where you’ll see it most often:
1. Support for Light Structures
C4 x 5.4 channels are excellent for light framing building projects: temporary structures, sheds, small equipment supports, etc., and have a compact size and low weight. They add stiffness but not unwanted weight to the frame.
2. Bracing and Reinforcement
These channels are frequently used as a "second" bracing system in buildings. They're used as a slurry platform for uniform thickness and a smooth, level finish on floors or to brace cross bracing and reinforcement in beams, platforms, and walkways.
3. Equipment Frames and Machinery Mounts
Industrial fabricators like C4 x 5.4 channels for creating machine bases, skids, and frames. The balance of weight and strength helps equipment stay stable without the need for oversized steel.
4. Vehicle and Trailer Construction
Weight is important for both automobiles and trailers. Often used in supports, ramps, and trailer beds, this channel has flanges that make it easy to machine on all four sides.
5. Architectural and Other Applications
Additionally, the C4 x 5.4 is used in architectural projects for small mezzanines and handrails. Clean designs that don't overpower the overall structure are made possible by its comparatively slim build.
Why Choose C4 x 5.4 Channel Dimensions?
The beauty of the C4 x 5.4 channel is its versatility. It’s not overkill, but it’s not flimsy either. Builders choose it because:
- It’s lightweight, making it easier to transport and install.
- It’s cost-efficient, since you’re not paying for unnecessary steel bulk.
- It’s adaptable, with applications ranging from industrial to residential.
In short, it’s a workhorse in steel form, doing its job quietly but effectively.
Key Takeaway
If your project needs a reliable balance of lightness and strength, the C4 x 5.4 channel dimensions hit the sweet spot. From structural bracing to machinery frames, it’s a go-to option for practical, efficient steel construction.
Looking for high-quality C4 x 5.4 channels?
Trust BobCo Metals, your reliable steel supplier with decades of experience serving builders, fabricators, and DIYers. Whether you need a single piece or a bulk supply, BobCo Metals ensures you get precision-cut steel delivered when and where you need it.
FAQs with Answers
Q1. What does C4 x 5.4 mean in steel channels?
A1. The designation C4 x 5.4 is from the AISC standard system. “C” stands for channel, “4” indicates a nominal depth of 4 inches, and “5.4” means the channel weighs 5.4 pounds per foot.
Q2. What are the typical dimensions of a C4 x 5.4 channel?
A2. The C4 x 5.4 channel has a 4-inch nominal depth, weighs 5.4 lbs per foot, has an average flange width of about 1.58 inches, and a web thickness of around 0.184 inches. It’s typically made from ASTM A36 or ASTM A992 steel.
Q3. Where are C4 x 5.4 channels commonly used?
A3. These channels are used in light framing, reinforcement, equipment bases, vehicle and trailer construction, and small-scale architectural applications like mezzanines or handrails.
Q4. Why do builders prefer C4 x 5.4 channels?
A4. Builders like this channel for its versatility: it’s lightweight, cost-efficient, and adaptable to many projects without being too bulky or too weak.
Q5. Is the C4 x 5.4 channel suitable for vehicle and trailer construction?
A5. Yes, thanks to its strength-to-weight balance, it’s often used for supports, ramps, and trailer beds where minimizing weight without sacrificing strength is key.
Q6. Can I use C4 x 5.4 channels for machinery frames?
A6. Absolutely. Industrial fabricators use them to build stable equipment frames, skids, and mounts that don’t require oversized structural members.
Q7. Where can I buy C4 x 5.4 steel channels in Los Angeles?
A7. Bobco Metals supplies C4 x 5.4 channels with cut-to-size services, bulk ordering, and fast delivery throughout the Los Angeles area.





