What is DD11 hot-rolled pickling plate?

DD11 hot-rolled pickling plate is a steel plate product that belongs to the European standard EN 10111, and its material is low carbon steel. DD11 represents the material and strength grade of the steel plate, where D represents low-carbon steel, and 11 represents a minimum tensile strength of 170 to 360 megapascals (MPa). And it has also undergone hot rolling process and pickling process at high temperature. It has the characteristics of good surface finish, high dimensional accuracy and strong corrosion resistance. It is widely used in automobile manufacturing, electrical appliance manufacturing, building materials and other fields.

What is the chemical composition of DD11 hot-rolled pickling plate?

DD11 hot-rolled pickling plate is a kind of low-carbon steel, and its chemical composition generally meets the following standards:

Carbon content (C): 0.08% or less

Manganese content (Mn): 0.3-0.6%

Phosphorus content (P): 0.02% or less

Sulfur content (S): 0.02% or less

In addition, it may also contain other elements such as silicon, aluminum, titanium, etc. These chemical compositions can be adjusted according to different standards and requirements.

What are the mechanical properties of DD11 hot-rolled pickled plate?

The mechanical properties of DD11 hot-rolled pickled plate depend on its specific processing and treatment methods and chemical composition and other factors, and generally meet the following standards:

Tensile strength: 270-440 MPa

Yield strength: 170-360 MPa

Elongation: For example, the minimum elongation is 28%, it means that the length of the material can be extended to 1.28 times the original length before the material breaks

These values can be adjusted according to different standards and requirements. It should be noted that these values are for reference only and actual values may vary.

Physical properties of DD11 hot-rolled pickling plate

The physical properties of DD11 hot rolled pickled plate are an important consideration when selecting this material for any industrial application. The surface of the board is smooth without rust, scale or oil stains. This makes cleaning and maintenance easy, which is crucial for hygiene-conscious applications.

DD11 hot rolled pickled plate has a uniform thickness and width making it ideal for use in the automotive industry where precision is critical. It also has excellent ductility and formability properties, making it suitable for deep drawing applications.

The steel plates can withstand high temperatures without warping or deforming, making them ideal for construction projects such as bridges and buildings. Additionally, its high strength-to-weight ratio means that less material can be used to achieve the same results as other types of steel plates.

Another advantage of DD11 hot-rolled pickled plate is its corrosion resistance due to the presence of chromium on its surface. This characteristic makes it ideal for outdoor applications where exposure to moisture and other elements can cause rust.

The physical properties of DD11 hot rolled pickled plate make it an excellent choice for many different industrial applications. Its strength, durability, corrosion resistance and ease of maintenance all contribute to its popularity in various industries around the world.

What are the characteristics of DD11 hot-rolled pickling plate?

DD11 hot-rolled pickled plate is a kind of cold-rolled steel plate. After pickling, the surface is smoother and the size is more accurate. Its main features are as follows:

High strength: DD11 hot-rolled pickling plate has high strength and can be used to manufacture parts that need to withstand high pressure.

Good machinability: Since the surface of DD11 hot-rolled pickling plate is flat and smooth, it is not easy to be scratched or deformed during processing, and has good machinability.

Excellent formability: DD11 hot-rolled pickled sheet can be used to produce parts of various shapes through various forming methods, and has excellent formability.

Excellent weldability: DD11 hot-rolled pickled plate has excellent weldability and can be easily welded in various types.

Process of DD11 hot-rolled pickling plate

The process of DD11 hot-rolled pickling plate is generally as follows:

Feeding: transport the cooled DD11 hot-rolled plate to the coiler by crane or forklift, and enter the pickling line.

Pre-pickling treatment: Before pickling, the surface of the steel plate needs to be cleaned. Methods such as copper brushes, abrasive discs, and solvents are usually used.

Pickling: The steel plate is immersed in an acid bath for corrosion treatment. Pickling is generally divided into several steps of prewashing, main washing, neutralization and water rinsing. Among them, the main washing is the key link, and parameters such as pickling time, acid liquid ratio and temperature need to be controlled to ensure that the surface of the steel plate is completely removed from oxides, scales and other pollutants.

Cleaning: After pickling, the steel plate needs to be cleaned to remove residual acid and impurities. Cleaning is generally done by spraying water or soaking.

Derusting: After cleaning, the steel plate needs to be derusted. Derusting methods include mechanical methods and chemical methods, commonly used are shot peening and electrolytic derusting.

Intermediate inspection: After derusting, an intermediate inspection of the steel plate is required. The inspection content includes aspects such as surface quality, thickness and size.

Cleaning: After the intermediate inspection, the steel plate needs to be cleaned again to remove residual pollutants and impurities.

Oiling: Finally, after cleaning, the steel plate needs to be oiled to prevent oxidation and rust on the surface of the steel plate.

Cutting: After oiling, the steel plate is cut into the required size by the coiler, and the operations such as packaging and marking are carried out.

The above is the process of DD11 hot-rolled pickling plate.

What are the uses of DD11 hot-rolled pickling plate?

DD11 hot-rolled pickled sheet is widely used in many fields due to its good surface quality and mechanical properties. Here are some common application scenarios:

Automobile manufacturing: DD11 hot-rolled pickled sheet can be used in the production of automobile bodies, such as doors, hoods, roofs and other components.

Electrical appliance manufacturing: DD11 hot-rolled pickling sheet can be used to manufacture home appliances, such as refrigerators, washing machines, microwave ovens, etc.

Building materials: DD11 hot-rolled pickled board can also be used as building materials, such as for roofing, siding and partition walls, etc.

Container manufacturing: DD11 hot-rolled pickling plate is suitable for manufacturing various containers, such as oil barrels, water barrels, garbage cans, etc.

In a word, DD11 hot-rolled pickling plate is widely used in fields requiring high surface quality and high strength, has good material properties and economy, and is a commonly used steel plate product.