How to choose the right stainless steel products
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How to choose the right stainless steel products

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By:Lebon

Jun 22,2026

How to choose the right stainless steel products

 

1. Reasons why stainless steel products will rust:

1. Steel factor: that is, the internal alloy composition of stainless steel. In fact, stainless steel is an alloy. However, the size of the surface roughness. Determines whether it is easy to rust.

Because the smaller the surface roughness is, the smaller the surface roughness is. From the microscopic level, the area in contact with the air is smaller, so it is not easy to be oxidized.

 

2. Processing technology factors: stainless steel does not rust. It is because oxygen is combined on its surface to form a passivation film (that is, an oxide film). The formation of the passivation film during processing, such as a small extension of a leveling machine, a small amount of grinding by a grinding machine, etc.

All can cause the formation of oxide film, of course, including the annealing of bright annealing furnace under the protection of full hydrogen, a passivation film can be well formed.

Of course, when processing and producing stainless steel, there are many reasons that easily cause stainless steel to rust, such as the high content of thiophane in the grinding oil and so on.

 

2. A good way to choose stainless steel products:

1. Choose a reliable manufacturer

Among the stainless steel products on the market, some unscrupulous manufacturers use stainless steel products that have been found to contain three harmful elements of lead, cadmium and arsenic. The steel used in these stainless steels may be derived from recycled scrap steel materials. Therefore, consumption When purchasing, the buyer must carefully select the manufacturer, and the material is selected from the first-class genuine products of well-known steel mills.

 

2. Choose the right type of stainless steel

For example, austenitic stainless steel is suitable for containers that are in contact with food for a long time, while martensitic stainless steel is not suitable for food because it is not corrosion-resistant.

 

3. Maintenance points

Stainless steel is not corrosion resistant in all cases. In salt water, stainless steel can also corrode, lose its shiny appearance, and present a safety hazard.

Therefore, all stainless steel products should be cleaned with detergent and dried after use; in order to prevent corrosion, stainless steel should not be immersed in acidic solutions for a long time.

 


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