What's the difference between 316, 304 and 201 stainless steel used into making vacuum flasks / thermos?
Posted on4 Years ago
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5612
There are many different kind of vacuum flasks on the market, ranging in price from tens of dollars to several hundred dollars. So why are the prices of these vacuum flasks so different?
One of the key factors is which stainless steel is used in these vacuum flasks. These stainless steels are divided into three types, 201, 304 and 316 stainless steel. What is the difference between them? Table below show the comparison between 316, 304 and 201 Stainless Steels:
|
Type |
Characteristics |
Cost |
|---|---|---|
|
316 |
Strong acid and alkali resistance, better oxide corrosion resistance |
High |
|
304 |
Corrosion resistance and stamping performance are generally far better than 201 |
Moderate |
|
210 |
Easy to oxidize and rust |
Low |
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