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Stainless steel 18/8, 316, and 304 are very closely related. Read this article to see what sets them apart and what stainless steel type will be better for your exact project needs.
18/8, also called 304, is a type of austenitic stainless steel with a face-centered cubic (FCC) crystal structure, primarily composed of 18% chromium and 8% nickel. It falls under the ASTM A240 standard. Equivalent grades include SUS304 (JIS) and X5CrNi18-10 (EN).
Specifically, 18-8 grade stainless steel contains 18% chromium and 8% nickel, which contribute to its durability and corrosion resistance. This type of stainless steel performs better against corrosion compared to the 400 series.
18/8 stainless steel means the composition of stainless steel containing 18% chromium and 8% nickel. Its precursor is 20-7 stainless steel, invented by German metallurgists Benno Strauss and Eduard Maurer. It was first introduced in America during a symposium held by ASTM in 1924.
18-8 stainless steel is an alloy containing approximately 18% chromium and 8% nickel, and the addition of other elements such as carbon and manganese. The most common grade of 18-8 stainless steel is 304, which is known for its excellent corrosion resistance, durability, and ease of fabrication.
The steel containing 18% chromium and 8% nickel includes 304 and its variants 304L, 304N and 304LN. 18/8 steel is the most widely used material, has excellent corrosion resistance in mild environments, and has good weldability and mechanical properties.
18-8 stainless steel - Learn about its physical properties, industrial uses, and how it shapes everything from household appliances to aerospace components.
18/8 stainless steel is strong, weldable, ductile, and easy to fabricate. In addition, it can be polished to have attractive and useful surface finishes, which is why it is the most popular type of stainless steel used in a wide range of applications.
The numbers 18/8 represent the composition of this steel; it is 18% chromium and 8% nickel, making it very resistant to corrosion and oxidation.18/8 stainless steel is also highly durable and easy to fabricate.
18-8 and 304 are two of the most popular and widely used stainless steel grades. They are both austenitic stainless steels, which means they have a face-centered cubic crystal structure and contain at least 18% chromium and 8% nickel.