8th of May ,2021

How to choose & buy stainless steel?

  How to choose & buy stainless steel?

In daily life, stainless steel is very common, ranging from machines and components to buildings. If you are entangled in how to choose stainless steel, then congratulations, you have come to the right place, this article is to teach you how to choose & buy stainless steel!

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

In the past, we mentioned the principle of why stainless steel does not rust. If you are interested, you can check it out . As we all know, 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 stainless steel?

Top1 : 304 stainless steel (You can click here to view "What is 304 stainless steel?" introduction

The 300 series is the largest and most widely used series. Type 304 : The most famous brand is type 304 , which is also called 18/8 and 18/10 because of its composition of 18 % chromium and 8 % /10 % nickel . 

Click to view the product


Top2 : 316 stainless steel

The second most common austenitic stainless steel is Type 316 .

There is also a comparison of related 304 and 316 stainless steel!


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 has greater chemical resistance in a variety of applications, especially when dealing with salt and more acidic compounds (such as lemon juice or tomato juice). Click to view the product

4.How do you distinguish counterfeit stainless steel?

Stainless steel of poor quality will discolor the surface after a long time of use. It is easy to be covered and stained by oil and water. It is not easy to clean, easy to be rusted, and easy to breed bacteria.

To identify the quality of stainless steel, you should not only look at the surface, but also check whether there is " material " inside . You can buy a bottle of " stainless steel measuring solution " for more than 10 yuan from here.


 " Stainless steel testing solution " is also called " stainless steel testing solution ", " manganese testing kit ", " manganese testing solution " and so on.

Test method: clean the surface of stainless steel to ensure that there is no stain; after grinding off the surface coating, apply a drop of the test solution to the decoating (the best choice for decoating is on 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 or turn red Time, roughly determine the grade of stainless steel.

Fake 201 stainless steel: It turns red in about 5 seconds, and the red color will be the same as on the color chart after 10 seconds.

201 stainless steelclick to view product details ): It turns red in about 50 seconds, and its red color will be the same as that on the color chart.

202 stainless steel click to view product details ) : It turns red in about 1 minute.

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

304 stainless steelclick to view product details ) : There is no change in 3 minutes, and the color may become darker, but there is no red.

316 stainless steelclick to view product details ) : No color change can be seen in about 10 minutes.


Okay, that's it for today. If you want to learn more about stainless steel, welcome to visit steelltd.com . We are an excellent steel supplier in China with professional stainless steel knowledge. JM company provides various stainless steel customization and sales services. The stainless steel mentioned in this article is our best-selling product , you can click on the link to view it . If you have any needs or professional knowledge questions, please feel free to contact our customer service and consult.  

send us a message