stainless steel and zinc plated steel reaction,Stainless Steel and Zinc - Plated Steel: An Introduction Stainless steel and zinc - plated steel are two common types of
Stainless Steel and Zinc - Plated Steel: An Introduction
Stainless steel and zinc - plated steel are two common types of metal materials in our daily life. Stainless steel is known for its corrosion resistance, mainly due to the presence of chromium in it. It has a shiny and smooth surface, and is often used in kitchen utensils, like knives and forks, and also in some building materials for exterior decoration.
On the other hand, zinc - plated steel is steel that has been coated with a layer of zinc. This coating process is mainly to protect the steel from rusting. Zinc is more reactive than steel in many cases, so it will sacrifice itself to protect the underlying steel when exposed to corrosive environments, such as in humid air or in contact with water.
The Reaction between Stainless Steel and Zinc - Plated Steel
When stainless steel and zinc - plated steel are in contact, in most normal circumstances, there is not a significant chemical reaction that would cause major problems. However, if they are in a corrosive environment, such as in a highly salty or acidic environment, some electrochemical reactions might occur.
The difference in their electrochemical potentials can lead to a situation where the zinc - plated steel may start to corrode preferentially. This is because zinc has a different electrochemical behavior compared to stainless steel. The zinc will act as an anode in an electrochemical cell, and the stainless steel may act as a cathode, which can cause the zinc to be oxidized and corrode over time.
Applications and Considerations
In some applications where both stainless steel and zinc - plated steel are used together, engineers need to consider this potential interaction. For example, in a mechanical assembly where parts made of these two materials are close to each other, measures may need to be taken to prevent excessive corrosion of the zinc - plated steel. This could involve using insulating materials between the two parts or applying protective coatings on the zinc - plated steel.
In construction projects, if stainless steel and zinc - plated steel are both used in the structure, proper design and maintenance are crucial. This is to ensure that the overall integrity of the structure is maintained and that the appearance of the materials is not affected by unwanted corrosion reactions.
Questions and Answers
Question 1: Can stainless steel cause the zinc - plated steel to corrode faster when they are in contact?Answer: In some corrosive environments, such as highly salty or acidic ones, stainless steel can cause the zinc - plated steel to corrode faster because of the difference in their electrochemical potentials. The zinc - plated steel may act as an anode and corrode preferentially.
Question 2: What are the ways to prevent reaction between stainless steel and zinc - plated steel?Answer: One way is to use insulating materials between the two parts when they are used together in an assembly. Another way is to apply additional protective coatings on the zinc - plated steel. Also, proper design and maintenance in construction projects can help prevent unwanted reactions between them.
Below is,stainless steel and zinc plated steel reactionpartial price list| Category | Market Price | Use Cases |
| 316 stainless sheet | 1040$/Ton | Train cars, ships |
| 316 stainless steel sheet metal | 1042$/Ton | Stair handrails, walls |
| 1 2 stainless steel plate | 1089$/Ton | Building exterior walls, roofs |
| 430 stainless steel plate | 1109$/Ton | Automobile shells, body parts |
