When investing in a top-tier security screen door crafted from 316 Marine Grade Stainless Steel mesh, it's crucial to note that some manufacturers opt for the more economical Grade 304. However, Grade 304, although offering some corrosion resistance, pales in comparison to the superior protection provided by Marine Grade 316. If you're uncertain about the disparity between these grades, this article will elucidate why Marine Grade 316 Stainless Steel stands out as the ultimate choice for securing your door.
Corrosion
Corrosion is the result of oxidation, causing surface deterioration, commonly seen as rusting in metals like steel. Security screens, often made of steel, are highly susceptible to corrosion, especially in coastal areas where salt spray worsens the issue.
Stainless Steel
Stainless steel, valued for its corrosion resistance, is ideal for security screens. It contains chromium, forming a protective layer against corrosion. Grade 304 and Marine Grade 316 stainless steel are both resistant to corrosion due to chromium content, but Grade 304 is more prone to corrosion due to a lacking component.
Grade 304 Stainless Steel
Grade 304 stainless steel is versatile and widely used outdoors in various applications. Comprising 18% chromium and 8% nickel, it offers good resistance to moderate acids and bases, suitable for kitchen environments. Despite its benefits, it can corrode in chloride-rich areas, leading to localized pitting and tea staining.
Marine Grade 316 Stainless Steel
Marine grade 316 stainless steel, an upgrade from Grade 304, contains 2% to 3% molybdenum, enhancing its corrosion resistance against seawater and chemicals. It's durable, easy to handle, and provides superior protection from salt spray compared to Grade 304. Marine grade 316 is widely used in industries and medical fields where minimal metallic contamination is essential.
The Verdict?
Marine grade 316 stainless steel is the top choice for resisting chlorides like salt spray. Despite a slightly higher cost, is it worth it?
The answer: If you're within 5 kilometers of the coast, chances are you're exposed to salt spray. With roughly 80% of Australians living near the coast, opting for Grade 316 is a smart move for enhanced corrosion resistance.
Choosing WeaveTec™️ Security Screens with premium Stainless Steel Mesh ensures long-term protection for your home. Our screens have exceeded the 10,000 Hour Salt Spray Test, simulating 100 years of coastal exposure.