When shopping for square tubing or rectangle tubing, one of the most common questions is:
Should I choose 11ga or 14ga steel tubing?
The answer depends on your project, strength requirements, weight, and budget. In this guide, we’ll break down the differences between 11 gauge and 14 gauge steel tubing so you can choose the right material for your build.
What Does “Gauge” Mean?
Gauge refers to the wall thickness of the steel tubing.
With steel tubing:
Lower gauge number = thicker steel
Higher gauge number = thinner steel
Common Tubing Thicknesses
Gauge
Thickness
14ga
0.083"
11ga
0.120"
That means 11ga tubing is significantly thicker and stronger than 14ga tubing.
11ga Steel Tubing
Thickness
11ga tubing has a wall thickness of approximately:
0.120"
Best For
Trailer frames
Heavy-duty fabrication
Structural projects
Welding tables
Equipment frames
Industrial applications
Load-bearing projects
Advantages
✅ Stronger wall thickness ✅ Better impact resistance ✅ More rigid and durable ✅ Better for heavy loads ✅ More weld area strength
Tradeoffs
Heavier
More expensive
Harder to bend/form
14ga Steel Tubing
Thickness
14ga tubing has a wall thickness of approximately:
0.083"
Best For
Light fabrication
Decorative projects
Gates & fencing
Furniture
DIY projects
Light-duty frames
Signs & brackets
Advantages
✅ Lighter weight ✅ Easier to work with ✅ Lower cost ✅ Easier to cut and drill ✅ Great for non-structural builds
Tradeoffs
Less structural strength
Lower dent resistance
Not ideal for heavy loads
Strength Comparison
11ga tubing is noticeably stronger than 14ga tubing.
If your project involves:
heavy weight
trailers
structural support
fabrication equipment
then 11ga is usually the better choice.
If your project is:
decorative
lightweight
non-structural
14ga often works perfectly while saving money and weight.
Weight Difference
Because 11ga tubing has thicker walls, it weighs more per foot than 14ga tubing.
Example:
2" x 2" Square Tubing
Gauge
Approx Weight
14ga
~2.27 lb/ft
11ga
~3.12 lb/ft
That extra thickness adds up quickly on larger projects.
Which One Should You Choose?
Choose 11ga If:
You need maximum strength
The project supports heavy loads
You’re building trailers or structural frames
Durability matters most
Choose 14ga If:
Weight savings matter
The project is light-duty
You want lower material cost
You’re building decorative or DIY projects
Final Thoughts
Both 11ga and 14ga steel tubing are excellent materials, but they serve different purposes.
For heavy-duty fabrication and structural strength, 11ga tubing is the better option.
For lighter projects where weight and cost matter more, 14ga tubing is often the smarter choice.
At JWM Metal Supply, we offer cut-to-size steel tubing in multiple wall thicknesses with fast shipping and a wide selection of precut lengths.
🇺🇸 American Steel ✂️ Cut to Size 🚚 Fast Shipping 🔩 Built for Fabricators, Welders & DIY Projects
