When discussing metal thickness, the term “gauge” is widely used in the U.S. and some other markets. However, gauge does not equal the same thickness across different materials. For example, 16 gauge metal steel does not have the same thickness as 16 gauge aluminum.
At Huaxiao Metal, we supply high-quality aluminum, stainless steel, and carbon steel products globally, so we understand how important it is for engineers, fabricators, and buyers to know the exact conversion from gauge to millimeters and inches.
16 Gauge Metal Thickness Conversion Table
Here is a quick reference table showing the thickness of 16 gauge metal across different materials:
| Material | Thickness (Inches) | Thickness (Millimeters) | Notes / Standards |
|---|---|---|---|
| Standard Steel (Mild) | 0.0598 in | 1.52 mm | ASTM / SAE Gauge Standard |
| Galvanized Steel | 0.0635 in | 1.61 mm | Slightly thicker due to coating |
| Stainless Steel | 0.0625 in | 1.59 mm | ASTM A480 Standard |
| Aluminum | 0.0508 in | 1.29 mm | Aluminum gauge chart (ASTM B209) |
From the table, you can see that 16 gauge aluminum is significantly thinner than 16 gauge metal steel, which is critical when selecting materials for structural strength, weight reduction, or corrosion resistance.
Why Do Gauge Thicknesses Vary by Steel Material?
The gauge system originated in the 19th century and was not standardized across all metals. Over time, different industries adopted slightly different conversion charts. For example:
Steel & Galvanized Steel → Follow steel gauge standards, but zinc coating adds thickness.
Stainless Steel → Slightly thicker than mild steel due to different density and strength considerations.
Aluminum → Lighter and less dense, so gauge charts assign thinner thickness for the same gauge number.
Buyers and engineers should always check the actual mm or inch values, not just the gauge.
Practical Applications of 16 Gauge Metals
Practical Applications of 16-Gauge Metal
16-Gauge Steel → Commonly used in building framing, automotive parts, and heavy-duty housing.
16-Gauge Stainless Steel → Widely used in kitchen appliances, sinks, and building panels.
16-Gauge Galvanized Steel → Preferred for outdoor structures, piping systems, and roofing applications due to its corrosion resistance.
16-Gauge Aluminum → Ideal for lightweight applications such as aerospace, transportation, and decorative panels.
Huaxiao Metal offers custom aluminum sheets, strips, and coils in a variety of thicknesses, including 16 gauge.
How to Measure 16 Gauge Thickness Correctly?
To verify the actual thickness:
Use a digital caliper for accuracy (in mm and inches).
Compare with a gauge conversion chart.
Confirm against the ASTM / ISO standards provided by your supplier.
Pro Tip: Always request a mill test certificate (MTC) from suppliers like Huaxiao Metal to ensure you are receiving the correct thickness material.
FAQ
Is 16 gauge steel stronger than 16 gauge aluminum?
Yes. Even though both are called 16 gauge, steel is thicker and denser than aluminum, making it stronger. However, aluminum is much lighter and corrosion-resistant.
Can 16 gauge aluminum replace 16 gauge steel in applications?
Not directly. Because aluminum is thinner and lighter, it may not provide the same strength. Always check engineering requirements before substitution.
What is the metric thickness of 16 gauge aluminum?
Approximately 1.29 mm, compared to 1.52–1.61 mm for steel.
Which standard does Huaxiao Metal follow for aluminum gauge thickness?
We follow ASTM B209 and international equivalents to ensure consistency for global customers.
In Conclusion
Understanding the exact thickness of 16 gauge metal is crucial in design, engineering, and procurement. While the term “16 gauge” is common, the thickness differs between steel, stainless steel, galvanized steel, and aluminum.
At Huaxiao Metal, we provide high-quality aluminum sheets, coils, and strips with precise thickness control, certified to ASTM and EN standards. Whether you need lightweight aluminum or stronger stainless steel, we can supply the right material for your project.
Contact Huaxiao Metal today to get the latest 16 gauge aluminum sheet prices and supplier information!
