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Aluminum vs. Steel Gates
When choosing a gate, there are several factors to consider—such as the size of the opening, the level of security required, and whether the gate should be a horizontal slide, swing, or vertical lift. You also need to decide between ornamental or standard designs, and choose the material: aluminum or steel.
**Aluminum vs. Steel Security Gates**
Although these materials may seem similar at first glance, their physical properties and internal mechanisms reveal that the choice of material can significantly impact the performance and longevity of your security gate.
So, what is the difference between an aluminum and a steel gate, and which one is best suited for your needs? Here’s a detailed look at both materials to help you make an informed decision.

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**Steel Gates Rust, Aluminum Does Not**
One of the most significant differences between steel and aluminum gates is their resistance to corrosion. Steel is prone to rust, especially in areas where moisture and temperature changes are common. Even galvanized steel can develop rust over time, particularly at welded joints, where the protective coating may wear off. This leads to deterioration, making the gate less attractive and more difficult to maintain.
In contrast, aluminum naturally forms a thin layer of aluminum oxide on its surface, which acts as a protective barrier against corrosion. This oxide layer becomes chemically inert when exposed to water, preventing further oxidation. As a result, aluminum gates maintain their appearance and structural integrity for many years with minimal maintenance.
The long-term durability of aluminum makes it a smarter investment compared to steel. While steel may seem cheaper upfront, the ongoing maintenance and potential replacement costs often outweigh the initial savings.
**What Are Aluminum Alloy Gates?**
TYMETAL uses high-quality aluminum alloys such as 6063-T6 and 6105-T6, specifically designed for gate frames and tracks. These alloys offer enhanced corrosion resistance, tensile strength, and yield strength, ensuring the structural integrity of the gate remains intact over time.
Aluminum gates are not only durable but also lightweight, providing greater strength per pound compared to steel. This lighter weight reduces the effort needed to operate the gate, lowering energy consumption and increasing reliability—both important for security and safety.
**Aluminum vs. Steel Gate Roller Safety**
Another advantage of aluminum gates is their enclosed roller system. Unlike steel gates, which often use exposed rollers that require regular lubrication, aluminum gates feature sealed ball bearings that require no maintenance. This eliminates the risk of mechanical failure due to neglect and ensures smooth operation regardless of weather conditions.
Additionally, the enclosed design removes dangerous pinch points associated with exposed rollers, making aluminum gates a safer option for users.
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**Aluminum Gates & Aluminum Gate Designs**
TYMETAL offers a wide range of aluminum gates tailored to meet different needs. From heavy-duty cantilever slide gates that can close openings up to 60 feet (120 feet when doubled) to vertical lift gates ideal for high-traffic areas with limited space, we have a solution for every application.
Our box Frame cantilever slide gates are particularly well-suited for environments where gravity and wind exert constant pressure. The combination of a lightweight design and a strong truck track system reduces strain on the operator, improving efficiency and extending the life of the mechanism.
For applications where a sliding gate isn’t feasible, our heavy-duty swing gates provide a reliable alternative, especially in areas with uneven ground or challenging terrain.
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**Extensive Inventory of Aluminum Gates to Fit Your Need, No Matter How Complicated**
Whether your project involves unique architectural constraints or complex operational requirements, our team of experienced engineers and fabricators can design custom aluminum gates that meet your exact specifications. We specialize in creating robust, secure, and aesthetically pleasing solutions for even the most challenging installations.
**Matched-System Aluminum Gates Mean Highest Quality**
Unlike other manufacturers, TYMETAL produces matched-system gates, meaning all components come from a single source. This ensures compatibility, simplifies installation, and improves overall performance by eliminating issues caused by mismatched hardware.
**Your TYMETAL Corp. Gate Comes with Complete Support**
Choosing TYMETAL means more than just getting a high-quality aluminum gate—you also gain access to comprehensive support from our dedicated team. From technical assistance and field service to detailed specifications and custom drawings, we’re committed to helping you achieve the best results.
**Contact TYMETAL for Gate Specs & Drawings**
If you're looking for a reliable, durable, and secure aluminum gate solution, TYMETAL has been leading the industry for over 25 years. With thousands of successful installations, we understand the importance of precision, quality, and customer satisfaction.
When it comes to closing openings, TYMETAL is the best choice—providing unmatched performance, reliability, and support.
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