How to choose stainless steel?

Stainless steel is very common in everyday life, from machines and components to buildings. If you are struggling with how to choose stainless steel, then congratulations, you have come to the right place, this article will teach you how to choose and buy stainless steel!


1. What is the most rust-proof stainless steel?

In the past, we mentioned the principle that stainless steel does not rust. It is known that the higher the nickel content of stainless steel, the better the rust resistance. 316 has the highest nickel content and the best rust resistance.


2. What is the highest grade of stainless steel?

Top1: 304 stainless steel 300 series is the largest and most widely used series. Type 304: The most famous brand is Type 304, also known as 18/8 and 18/10 because of its composition of 18% chromium and 8%/10% nickel.

Top2: 316 stainless steel The second most common austenitic stainless steel is type 316.


3. What is the safest food grade stainless steel?

316 is usually a better choice, making it a food grade stainless steel container. 316 SS offers greater chemical resistance in a variety of applications, especially when dealing with salts and acidic compounds such as lemon or tomato juice. Click to view products


4. How to distinguish fake stainless steel?

Poor quality stainless steel will cause surface discoloration after prolonged use. It is easily covered and contaminated by oil and water. It is not easy to clean, easy to rust, and easy to breed bacteria. To determine the quality of stainless steel, not only look at the surface, but also check whether there is "material" inside. You can buy a bottle of "stainless steel measuring fluid" for more than 10 yuan. "Stainless steel test solution" is also called "stainless steel test solution", "manganese test solution package", "manganese test solution", etc.

Test method: Clean the surface of the stainless steel to ensure there is no stain; after grinding off the surface coating, drop a drop of test liquid on the peeling surface (the best choice for peeling is at the edge of the cut, and observe the color change of the stainless steel in the test area; compare the color of the stainless steel The color, or time it takes to turn red, roughly determines the grade of stainless steel.

Fake 201 stainless steel: It turns red after about 5 seconds, and the red color is the same as the color on the color card after 10 seconds.

201 stainless steel: turns red after about 50 seconds, the red color is the same as the color on the color chart.

202 stainless steel: turns red after about 1 minute.

301 stainless steel: turns red after about 3 minutes and is very light in color. Please look carefully.

304 stainless steel: No change within 3 minutes, the color may become darker, but there is no red color.

316 Stainless Steel: No color change visible for about 10 minutes.
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