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What is 304 stainless steel? How is 304 stainless steel pipe?
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What is 304 stainless steel?
304 stainless steel is a common type of stainless steel, with a density of 7.93 g/cm3.It is also known in the industry as 18/8 stainless steel. It can withstand high temperatures of 800 degrees, has good processing performance, and high toughness, and is widely used in the industrial and furniture decoration industries as well as in the food and medical industries.
Common marking methods in the market include 06Cr19Ni10, SUS304, where 06Cr19Ni10 generally indicates production according to national standards, 304 generally indicates production according to ASTM standards, and SUS304 indicates production according to Japanese standards.
304 is a versatile stainless steel that is widely used to make equipment and components that require good overall performance (corrosion resistance and formability). To maintain the inherent corrosion resistance of stainless steel, the steel must contain more than 18% chromium and more than 8% nickel. 304 stainless steel is a grade of stainless steel produced according to American ASTM standards.
For 304 stainless steel, the Ni element in its composition is very important, as it directly determines the corrosion resistance and value of 304 stainless steel.
The important elements in 304 are Ni and Cr, but it contains more than just these two elements. The specific requirements are defined by product standards. The common industry judgment is that as long as the Ni content is greater than 8% and the Cr content is greater than 18%, it can be considered 304 stainless steel. This is also why this type of stainless steel is referred to as 18/8 stainless steel in the industry. In fact, the relevant product standards have very clear specifications for 304, and these product standards have some differences for stainless steel of different shapes.
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