What are the differences between 304/316 quality stainless steel varieties?
304/316 grade stainless steel grades are two of the commonly used grades of stainless steel. Here are some of the differences between 304 and 316 grade stainless steels:
Chemical coating: 304 stainless steel is an alloy containing 18% chromium and 8% nickel. In addition, a small amount of molybdenum (0.08-0.10%) chains. 316 stainless steel is an alloy containing 16-18% chromium, 10-14% nickel and 2-3% molybdenum. Molybdenum content helps 316 better corrosion resistant use.
Corrosion resistance: Both 304 and 316 stainless steels are highly resistant to corrosion. However, 316 stainless steel has a higher corrosion resistance, especially in salty and chemical environments. Therefore, it may be preferred for applications with exposure to seawater or aggressive chemicals.
Uses: 304 stainless steel is generally used for general purposes. For example, it is widely used in many industries, such as kitchenware, ornaments, auto parts, pipelines. 316 stainless steel is especially preferred in areas such as maritime, chemical processing, pharmaceutical industry.
Machinability: 304 stainless steel is a type of steel that borders and is easier to form. 316 stainless steel may have a higher strength compared to 304, which somewhat erodes its machinability. However, suitable teams and processing techniques can also be successfully crafted using the two materials.
Cost: In general, 316 stainless steel can be more expensive than 304 stainless steel due to its higher nickel and molybdenum content. Therefore, the cost factor must be considered along with other factors such as application requirements and corrosion resistance.
These factors illustrate some of the key differences between 304 and 316 stainless steels. Which quality to choose is determined based on expected requirements and budget.
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