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Another popular choice is galvanized steel sheet metal. Steel offers high tensile strength, making it an ideal option for RV roofs that require a robust structure to withstand weathering and potential impacts. Galvanization provides a protective coating that helps prevent rust formation and corrosion, thereby enhancing the lifespan of the roof. While steel is heavier than aluminum, its strength-to-weight ratio can be advantageous in specific designs where structural integrity is paramount.
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One of the key factors that contribute to the strength of a stainless steel cable is its composition. The 3% refers to the percentage of Molybdenum in the stainless steel, which enhances its corrosion resistance and strength. The 16% refers to the percentage of Chromium, which further improves the corrosion resistance of the cable.