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Carbon Steel Plate VS. Stainless Steel Plate

The difference between carbon steel plate and stainless steel plate is mainly reflected in chemical composition, appearance, corrosion resistance, wear resistance, price, ductility and magnetism. ‌

1. Different chemical composition
Carbon steel plate refers to steel with a carbon content of less than 2%, which has high hardness, strength and toughness. Stainless steel plate refers to steel with chromium, nickel and other elements added to it, forming a dense chromium oxide layer on the surface of the steel, which has the characteristics of corrosion resistance, wear resistance and beauty.

2. Different appearance ‌
Carbon steel plate is mainly composed of carbon and iron, so its color is gray and the surface is relatively rough; while stainless steel contains metals such as chromium and nickel, showing a bright silver color, smooth appearance and good gloss. ‌

carbon steel plate

‌3. Different corrosion resistance ‌
Stainless steel contains chromium, which can form a chromium oxide protective film on the surface, effectively preventing the steel from being degraded and corroded, so it has better corrosion resistance; while carbon steel has a low chromium content and cannot form such a protective film, so it has poor corrosion resistance and is easy to rust. ‌

4. Different wear resistance‌
Carbon steel has a higher hardness than stainless steel, so it performs better in terms of wear resistance; while stainless steel has poor wear resistance, it still performs well in many applications.

‌5. Different prices‌
Other alloys need to be added during the production process of stainless steel, resulting in higher costs and therefore higher prices; while carbon steel does not require the addition of a large amount of other alloys, has lower costs and is relatively cheap.

6. Different ductility ‌
Stainless steel contains a higher nickel content, which makes it more ductile; while carbon steel has a lower nickel content and poorer ductility.

‌7. Different magnetism ‌
Stainless steel has a lower iron content and is usually not attracted by magnets; while carbon steel has a higher iron content and is magnetic and can be attracted by magnets. ‌

Difference in application scenarios:

Application scenarios of carbon steel plates:
Carbon steel plates have high hardness and strength, and are suitable for manufacturing heavy-load machines and equipment, such as ships, bridges, and construction machinery. They are also widely used in industries such as automobiles, trains, and air transportation. In addition, carbon steel plates also have many applications in the construction field, such as making bridges, subway tunnels, water plants, and sewage treatment plants.

Application scenarios of stainless steel plates:
Stainless steel plates are widely used in the construction field due to their good corrosion resistance and aesthetics. Such as making indoor and outdoor decorations, doors and windows, railings, kitchen and bathroom furniture and decorations. Stainless steel plates are also widely used in food processing, medical equipment, chemical industry, etc., because they can ensure the hygiene and safety of products.

Conclusion: 
Although both carbon steel plates and stainless steel plates are metal plates, their material properties and application scenarios are different. Carbon steel plates are suitable for manufacturing heavy machinery and equipment, while stainless steel plates are suitable for application scenarios that require corrosion resistance and aesthetics. When purchasing, you should choose according to actual needs and environmental conditions to achieve the best use effect.

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