Stainless Steel INOX

Stainless steel is a highly durable and corrosion-resistant alloy primarily composed of iron, with a minimum of 10.5% chromium content by mass, which forms a passive layer of chromium oxide on the surface, preventing further surface corrosion. This layer is only a few atoms thick, but it is stable and self-repairing if damaged mechanically or chemically. Other elements like nickel, molybdenum, titanium, and copper can be added to enhance specific properties like formability, strength, and resistance to corrosion. Stainless steel is known for its low maintenance, luster, and strength-to-weight advantage. It is also environmentally friendly as it is 100% recyclable, and the majority of new stainless steel comes from old re-melted stainless steel scrap, thereby completing the full life cycle.

Among the various grades of stainless steel, 303, 304, and 316 are particularly notable. Grade 303 stainless steel is known for its machinability, owing to the addition of sulfur which improves its machinability but slightly reduces its corrosion resistance compared to other grades. Grade 304 stainless steel, also known as A2 or 18/8 stainless steel, is the most common grade; it offers excellent corrosion resistance and is highly versatile, making it suitable for a wide range of applications. Grade 316 stainless steel, also known as marine-grade stainless steel, contains molybdenum, which significantly enhances its resistance to corrosion, particularly against chlorides and marine environments. This makes it an ideal choice for applications in harsher conditions where higher corrosion resistance is required.

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