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Posted on Feb 09, 2021 by Relaxbottles Admin
SUS 304 is also refer as 18.8 stainless steel in the industry. It is now recognized as a healthy material because it can be used in medical treatment and implanted in the human body. For SUS304, the Ni element in its composition is very important, as it will directly determines the corrosion resistance of SUS304 and its value. The important elements in SUS304 are Ni, Cr, but are not limited to these two elements. The specific requirements are stipulated by the product standard. Common judgments in the industry consider that as long as the Ni content is greater than 8% and the Cr content is greater than 18%, it can be considered as SUS304. This is why the industry calls this type of stainless steel as 18.8 stainless steel.
SUS201 and SUS304 are the commonly used stainless steels in the stainless steel industry. SUS201 contains manganese, and the corrosion performance is general, long-term drinking water containing iron and manganese exceeds the standard can cause loss of appetite, vomiting, diarrhea, gastrointestinal disorders, stool disorders and other diseases. SUS201 color will be darker than SUS304, this is because SUS304 contains more chromium. Other than that, it has excellent corrosion resistance and better resistance to intergranular corrosion.
Stainless steel vacuum flasks are generally available in SUS201, SUS202, SUS304 and SUS316. The two most common are SUS201 and SUS304. Although the materials are different, most stainless steel thermal flasks are produced by these two materials as they look the same. Usually, a normal person can not identify them. Even those who work in the stainless steel industry may not be able to distinguish between SUS201 and SUS304.
Although it is hard to distinguish them, but there are a few points you can judged them:
In addition, judging from the material of the stainless steel thermal flask, there is also a misunderstanding, which is the word “stainless” of the stainless steel thermal flask. It also will rust under certain conditions, whereby if you improperly uses it for acidic drinks such as tea, coffee, milk and other acidic substances, it will naturally rust if it is used in an environment or condition that exceeds its corrosion resistance.
There are several possibilities for the stainless steel thermal flasks to rust:
Relax® is a team of local designers, marketers & product specialists with more than 12 years in making stainless steel thermal flasks, all our thermal flasks are guarantee made of SUS304. We come together with a common goal which is to create a brand with products of good quality & functional design at reasonable price which we are proud to share among our friends and families. Every inspirational quotes and messages showcased in our products represents our vision which is to inspire happy living and create an upbeat community.
Each of our bottle & flask represents:
We believe in Real Quality, Reasonable Price.
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