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In daily life, there are more and more stainless steel pipe products that can be seen everywhere, and the stainless steel pipe materials used are also different. Some use 304 material and some use 316 material. People often ask which is more expensive than 304 stainless steel pipe and 316. In fact, the two are similar. It is more expensive than 316. Today I will share with you the difference between the two.
The density of 304 stainless steel is 7.93g/cm3, and the density of 316 stainless steel is 8.03g/cm3. In essence, there is no obvious difference between the two, and they are both a kind of many stainless sheets of steel, which have the characteristics of acid resistance, alkali resistance, easy processing and high toughness. But if you divide it carefully, you can see the difference between the two materials.
First of all, in terms of application, 304 stainless steel pipes are widely used, and they have good corrosion resistance. It can be used for anti-theft windows, stair handrails, guardrails, anti-theft doors, automobile exhaust pipes, medical equipment, etc.
On the basis of 304, 316 has added elements of Ni, Cr, and Mo, which have higher density, better corrosion resistance, and high-temperature resistance than 304, so it is widely used in various industrial fields (seawater equipment, chemistry, dyes), papermaking, oxalic acid, fertilizer, and other production equipment).
Secondly, the comparison of chemical composition and performance: the chemical name of 304 stainless steel pipe is: 06Cr19Ni10, and the chemical name of 316 stainless steel pipe is: 06Cr17Ni12Mo2. 06 means the carbon content is lower than 0.08, Cr19 means the chromium content is 19, and NI10 means the nickel content is 10. Among them, the element that determines the rust and corrosion resistance of stainless steel pipes is nickel, and its price is relatively expensive.
The purity and thickness of 304 and 316 are different. 316 has better corrosion resistance and better rust resistance. So the price will be more expensive.
Of course, the two have different uses and different usage scenarios. When using stainless steel pipes, we choose the appropriate stainless steel pipes according to the applicable scenarios. In some places, 316 stainless steel pipes are not necessarily required. For example, in dry areas in the north, 304 stainless steel pipes are enough. , Good corrosion resistance, and not easy to rust. However, if it is used in the southern coastal areas, sewage treatment plants, etc. need to use 316, which is not easy to corrode.
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