Stainless steel has always been a highly versatile material with excellent reputation. Since human use, stainless steel products, decorative parts, pipes and other related products have been continuously developed. Now in life, you can see stainless steel with just two glances. Figure, then the question is coming, what is the difference between 304 stainless steel and 316 stainless steel that are also food-grade stainless steel?
Stainless steel is an alloy steel. By adding various trace elements to ordinary steel, such as: molybdenum, nickel, chromium, manganese, etc., thereby enhancing the strength, hardness, toughness, corrosion resistance, high temperature resistance, etc. of the material itself Since the invention of stainless steel, there are more than one hundred types of stainless steel known in the world.
Facts have proved that the nickel content of 304 is less than 316. In theory, the higher the nickel content, the better the corrosion resistance of the material. The nickel element has good ductility. The excellent corrosion resistance makes it more stainless. One of the important alloying elements.
In the industry, the content of alloy elements in the material is generally used to judge whether the product is qualified; for example, 304 stainless steel, generally speaking, as long as the nickel content is greater than 8% and the chromium content is greater than 18%, it can be considered as qualified, so 304 stainless steel The name of 18/8 stainless steel.
Compared with 304 stainless steel, 316 stainless steel is obviously added with molybdenum element, which can get better corrosion resistance and high temperature resistance. It can be said that 304 can do 316 can do, 304 can not do 316 can also be said; plainly , 316 stainless steel is an enhanced version of 304 stainless steel.
So these two types of steel are put together. In addition to the price advantage of 304 stainless steel, the rest are slightly inferior to 316 stainless steel. From the perspective of consumers, whether it is food machinery, kitchen utensils, medical Equipment, 316 stainless steel is the best choice, but only if you can accept the high price of 316; and from the perspective of the manufacturer, 304 stainless steel is the best choice for cost reasons. It can also meet the national production standards for related stainless steel products.
So the answer is not much to say, 304 stainless steel and 316 stainless steel except for the alloy elements (316 contains molybdenum), the application fields are also different, some with weak corrosion or harsh environment still need to use 316 stainless steel, 304 stainless steel It’s just that the price is slightly cheaper.
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