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what is better Galvanized sheet or stainless steel

Views: 277     Author: Site Editor     Publish Time: 2023-08-28      Origin: Site


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Galvanized sheet and stainless steel are two common metallic materials that have some notable differences in appearance, properties, and uses.

1. What is galvanized sheet?

Galvanized sheet is a metal material that uses steel as the base material and coats a layer of zinc on the surface. The galvanizing process is usually done by hot dipping or electroplating. Galvanizing can effectively prevent steel from rusting and corroding in wet or corrosive environments, thereby prolonging its service life. Galvanized sheets are commonly used in construction, automobiles, home appliances, and more.

2. What is stainless steel?

Stainless steel is an alloy steel that contains at least 10.5% chromium. Chromium can form a protective layer called "oxide film" to protect steel from corrosion and pollution. Stainless steel can be divided into many different grades, each with different chemical compositions and properties. Stainless steel is commonly used to make kitchen utensils, chemical containers, medical equipment and other fields.

3. The difference between galvanized sheet and stainless steel

1. Different chemical composition

Galvanized sheets are obtained by galvanizing steel sheets, while stainless steels are alloy steels that contain at least 10.5% chromium. The chemical composition of the two is different, causing them to have different physical and chemical properties.

2. Different corrosion resistance

Although the surface of the galvanized sheet is coated with a layer of zinc, the steel is still prone to rust when the zinc layer is worn or corroded. Stainless steel has high corrosion resistance because it contains chromium, which forms an oxide film.

3. The color and appearance are different

Galvanized sheets are usually gray or silver in color, while stainless steel can come in different colors and finishes including gloss, matt and color coatings.

4. Different hardness and strength

Stainless steel is generally stronger and harder than galvanized sheet, while also being more difficult to machine and form. Galvanized sheet is easier to machine and form than stainless steel, but has relatively low strength.

5. Different prices

Generally speaking, stainless steel is more expensive than galvanized sheet, because its manufacturing process is more complicated, and its corrosion resistance, strength and other properties are better.

6. Different application scenarios

Because of its good corrosion resistance and strength, stainless steel is often used to make high-quality products such as medical equipment, food processing equipment, etc. While galvanized sheet is usually used in the fields of construction, automobiles, home appliances, etc., because its relatively low cost and good corrosion resistance are sufficient to meet the needs of these fields.

    In general, both galvanized sheet and stainless steel are common metal materials, and they differ in chemical composition, corrosion resistance, color and appearance, hardness and strength, price and application scenarios, etc. The selection of suitable materials should be based on specific needs and application scenarios to ensure that the product has good performance and service life.

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