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Type 304 stainless steel is used in enclosures, storage tanks, pressure vessels and tubing or piping. Type 316 stainless steel is an austenitic chromium-nickel stainless and heat-resisting steel with superior corrosion resistance as measured up to other chromium-nickel steels when exposed to many types of chemical corrodents.
Stainless 316 contains more nickel than stainless 304, while 304 contains more chromium than 316. Stainless 304 usually consists of 18% chromium and 8% nickel. Stainless 316 is made up of 16% chromium, 10% nickel and 2% molybdenum. The two steel grades are comparable in appearance, chemical makeup and characteristics.
316 also contains silicon, manganese, and carbon, with the majority of the composition being iron. A major difference between 304 and 316 stainless steel is the chemical composition, with 316 containing a significant amount of molybdenum; typically 2 to 3 percent by weight vs only trace amounts found in 304.
JIS G4304/JIS G4305 SUS304 SUS304L SUS316L Stainless Steel Sheet/Plate, find complete details about JIS G4304/JIS G4305 SUS304 SUS304L SUS316L Stainless Steel Sheet/Plate, Stainless Steel Sheet, Stainless Steel Plate, G4305 Stainless Steel Sheet - China Kaysen Steel Industry
316 grade is the second-most common form of stainless steel. It has almost the same physical and mechanical properties as 304 stainless steel, and contains a similar material make-up. The key difference is that 316 stainless steel incorporates about 2 to 3 percent molybdenum.
It is generally considered one of the most widely-used austenitic stainless steels. 316, with its addition of molybdenum, is considerably more resistant to corrosive environments than 304. 316 is more suitable for sea water environments and marine applications.
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