SS321 stainless steel ，SS316 stainless steel ，SS321 vs SS316

18/10 stainless steel contains 18% chromium and 10% nickel. This high nickel content makes it more corrosion resistant and more resistant to corrosion than 304 stainless steel.

1.4301 stainless steel is one of the most common stainless steel grades, also known as 304 stainless steel.

The main components of 304 stainless steel include 18% chromium and 8% nickel. This high chromium and high nickel composition makes it have excellent corrosion resistance. 430 stainless steel mainly contains more than 16% chromium and no nickel, which makes it less corrosion resistant.

SS304 (AISI 304) is the most commonly used stainless steel in the manufacture of other stainless steel materials and is usually purchased in the cold or annealed condition. Similar to SUS304, SS304 also contains 18% Cr and 8% Ni, hence the name 18/8.

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