18/8 What is stainless steel?

BusinessSales / Service

  • Author Nikhil Jain
  • Published February 27, 2022
  • Word count 254

18/8 Stainless Steel

Stainless steel, any one of the families of alloy steels, usually contains 10 to 30 percent chromium. Combined with low carbon content, chromium provides remarkable resistance to corrosion and heat. Other components, such as nickel, molybdenum, titanium, aluminum, niobium, copper, nitrogen, sulfur, phosphorus or selenium, can be added to increase corrosion resistance in specific environments, increase oxidation resistance and provide exceptional properties.

The "grade" of stainless steel indicates its condition, endurance and temperature resistance. The numbers (18/8, 18/10, etc.) are the stainless steel design and predict the amount of chromium and nickel in the product.

18/8 What is stainless steel?

18/8 stainless steel is 304-grade stainless steel, the most widely used and flexible austenitic type of stainless steel. Number 18/8 indicates that the steel is composed of 18% chromium and 8% nickel, making it highly resistant to corrosion and oxidation.

18/8 stainless steel is also highly durable and can be easily manufactured. The metal is easy to clean and is available in various forms and finishes.

18/8 stainless steel can also be known as austenite steel or 304-grade steel.

18/8 stainless steel is an excellent metal for:

Automatic trimming and molding

Kitchen appliances

Wheel cover

Truck bodies

Exhaust manifolds

Storage tanks

Pressure piping and ducts

The percentage of nickel and chromium in this grade of stainless steel gives the metal good corrosion resistance properties, especially in moderate caustic and acidic solutions. It works the same way in most non-critical situations except welding. If stainless steel is to be welded, stainless steel 304L grade is preferred, as it offers more excellent resistance to intergranular corrosion

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