Color coated steel coils PPGI PPGL System 1

Color coated steel coils PPGI PPGL

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 100000 m.t./month

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colour coated steel

painting colour steel , zinc coated steel , lead coated steel

Standard:	AISI,ASTM,BS,DIN,GB,JIS	Grade:	DX51D,SGCC,SPCC,CGCC	Thickness:	0.17-1.5mm
Place of Origin:	Taian China (Mainland)	Brand Name:	HengJi	Model Number:	HJ
Type:	Steel Coil	Technique:	Cold Rolled	Surface Treatment:	RAL color cremated, oiled, skin passed
Application:	building metal roofing components,house appliance	Width:	914-1250mm	Length:	customized
price:	favorable price	Our Customers	Steel force, Stemcor, Duferco, Samsung , G&G,Hyosung,CNBM

Packaging & Delivery

Packaging Detail:	standard export packing or customized
Delivery Detail:	15 days after prepayment

Specifications:

galvanized steel coil:
1.Thickness:0.17mm-1.5mm
2.Zinc coated:40g-275g/2
3.Standard:dx51d+z,sgcc

We manufacture Galvanized Steel Coils,Pre-painted Galvanized Steel Coils , etc

Prepainted steel coil features:

1. Zinc coating :40-120g(as reauired)

2. thickness:0.17-1.2mm
3. width:914-1250mm(900mm,1215mm,1250mm,1000mm the most common)

4. coil id:508m610mm

5. coil weight: 3-12(as required)

6. surface treatment:RAL color

Galvanized steel coil features:

1. Zinc coating :40-275g( as required)

2. thickness:0.17-1.2mm
3. width:914-1250mm(900mm,1215mm,1250mm,1000mm the most common)

4. coil id:508m610mm

5. coil weight: 3-12(as required)

6. surface treatment: cremated, oiled, skin passed

7. Spangle: regular,small, zero

8.Application: With excellent cold bending molded manufacturablity, good decoration effect, strong anti-corrosion ability, galvanized steel coils and sheets are also pollution-free and easily recycled. Accordingly, they can be used as final products and basic plates of color coated steel coils and widely applied in construction, home appliances, decoration, ect.

Product name	steel coil,galvanized steel,galvanized steel coil
Material	DX51D, SGCC, SPCC, CGCC, DX51D
Normal thickness	0.17-1.2mm
Normal width	900mm,914mm, 1000mm, 1200mm, 1220mm, 1250mm
Coil weight	3-12ns
Certificate	BV & SGS
Original	Shandong,China
Payment terms	L/C or T/T
Delivery time	within 15 ~ 25 days after 30% prepayment

Q: How do steel strips perform in high-stress or high-load applications?: Steel strips perform exceptionally well in high-stress or high-load applications. Due to their inherent strength, durability, and resistance to deformation, they can withstand heavy loads, maintain structural integrity, and provide reliable performance under extreme conditions.

Q: What are the different methods for plating steel strips?: There are several different methods for plating steel strips, each with its advantages and limitations. Some common methods include: 1. Electroplating: This method involves immersing the steel strip in an electrolyte bath containing metal ions of the desired plating material. When an electric current is passed through the bath, the metal ions are attracted to the steel strip, forming a thin layer of the desired metal on its surface. Electroplating allows for precise control over the plating thickness and can be used to apply a wide range of metals, such as zinc, nickel, or chromium. 2. Hot-dip galvanizing: This process involves immersing the steel strip in a bath of molten zinc. The high temperature causes a metallurgical reaction between the steel and the zinc, resulting in the formation of a zinc-steel alloy coating. Hot-dip galvanizing provides excellent corrosion resistance and is commonly used for outdoor applications, such as in construction or automotive industries. 3. Electroless plating: In this method, a chemical deposition process is used to deposit a metal coating onto the steel strip without the need for an electric current. The process relies on a controlled chemical reaction between the steel surface and a plating solution. Electroless plating offers uniform coating thickness and can be applied to complex shapes, making it suitable for precision components or electronics. 4. Mechanical plating: This technique involves tumbling the steel strip with metal powder, glass beads, and a special chemical mixture in a rotating barrel. The centrifugal force generated during tumbling causes the metal powder to impact and adhere to the steel strip, creating a mechanical bond. Mechanical plating is commonly used for parts that require a thick, durable, and uniform coating, such as fasteners or hardware. 5. Thermal spraying: This method involves heating the plating material, typically in powder or wire form, and propelling it onto the steel strip using compressed air or a similar mechanism. The high-velocity impact of the sprayed particles results in a coating adhering to the steel surface. Thermal spraying is often used for applying materials with high melting points, such as ceramic or metallic coatings, to provide wear resistance or thermal insulation. It is important to consider the specific requirements of the application, such as corrosion resistance, durability, or aesthetic appeal, when selecting the appropriate plating method for steel strips.

Q: What is the typical hardness range for steel strips?: The typical hardness range for steel strips varies depending on the specific type and application, but it generally falls between 20 and 60 on the Rockwell C scale.

Q: Can steel strips be used in the construction of storage tanks?: Yes, steel strips can be used in the construction of storage tanks. Steel strips are commonly used to form the shell of storage tanks due to their high strength, durability, and resistance to corrosion. These strips can be shaped and welded together to create a robust and secure structure for storing various substances.

Q: How are steel strips used in the agricultural industry?: Steel strips are widely used in the agricultural industry for various applications. One of the main uses of steel strips is in the fabrication of agricultural machinery and equipment. These strips are used to construct the frames, chassis, and structural components of tractors, harvesters, plows, and other farm machinery. Steel strips are also used in the manufacturing of storage and handling systems for agricultural products. They are commonly used to build silos, grain bins, and storage tanks. These steel structures provide a secure and durable solution for storing grains, seeds, and other agricultural commodities. Additionally, steel strips are utilized in the construction of livestock enclosures and fencing. They can be formed into panels or wires to create strong and reliable fences to contain livestock and protect crops from animals. Furthermore, steel strips are used for irrigation systems in agriculture. They are formed into pipes and tubing to transport water from sources such as wells, reservoirs, or rivers to the fields. Steel strips are preferred for these applications due to their strength, durability, and resistance to corrosion. Overall, steel strips play a crucial role in the agricultural industry by providing the necessary strength, durability, and versatility required for various applications. They contribute to the efficiency, productivity, and sustainability of agricultural operations, ultimately helping to meet the growing global demand for food and agricultural products.

Q: How are steel strips protected against rust and corrosion?: There are various methods to protect steel strips from rust and corrosion. One way is to apply a protective coating on the surface of the steel. This can be achieved through processes like galvanizing or painting. Galvanizing involves coating the steel with a layer of zinc, which acts as a sacrificial layer. Zinc is more reactive than steel, so it corrodes first and shields the steel beneath. This technique is highly effective, particularly in outdoor or high-humidity environments. Another commonly used method is painting. A layer of paint creates a barrier between the steel and the surrounding environment, preventing direct contact with moisture and oxygen. The paint can be formulated with additives that resist corrosion, providing even greater protection. In addition to coatings, corrosion inhibitors can also be used to safeguard steel strips. These are chemical compounds applied to the steel surface, forming a protective layer. Corrosion inhibitors work by either passivating the steel surface, reducing its reactivity, or by creating a film that prevents the penetration of corrosive substances. Proper storage and handling of steel strips are crucial in preventing rust and corrosion. This involves keeping the strips in a dry environment, away from moisture and corrosive substances. Regular cleaning and maintenance, such as removing any dirt or debris on the surface, also contribute to prolonging the steel's lifespan and preventing corrosion. In summary, a combination of protective coatings, corrosion inhibitors, and proper storage practices is vital to ensure the long-term protection of steel strips against rust and corrosion.

Q: How are steel strips used in the production of metal staircases?: Steel strips are commonly used in the production of metal staircases as they offer several advantages. Firstly, steel strips provide structural support and stability to the staircase framework. They are often used as the main structural components, forming the stringers or supports that hold up the treads and risers. The high strength and rigidity of steel allow for the construction of sturdy and durable staircases that can withstand heavy loads and constant use. Additionally, steel strips are used to create the treads and risers themselves. The strips are often shaped and welded together to form solid and secure steps, ensuring a safe and comfortable walking surface. Steel is a preferred material for this purpose due to its resistance to wear and tear, as well as its ability to withstand various environmental conditions. Moreover, steel strips can be customized to fit the specific design requirements of the staircase. They can be cut, bent, and shaped into different sizes and profiles to create unique and aesthetically pleasing staircases. This versatility allows for the creation of various styles, including straight, spiral, and curved staircases. Lastly, steel strips can be finished with different coatings or treatments to enhance their appearance and protect them from corrosion. This ensures that the metal staircases maintain their visual appeal and functionality over time, even in demanding environments. In summary, steel strips play a crucial role in the production of metal staircases by providing structural support, forming the treads and risers, allowing for customization, and offering protection against corrosion. Their strength, durability, and versatility make them an ideal choice for constructing safe and visually appealing staircases.

Q: How are steel strips processed for surface bending?: Steel strips are processed for surface bending using a variety of methods. The first step in the process is to select the appropriate steel grade and thickness for the desired application. Once the steel strips are chosen, they are cleaned and prepared for bending. One common method of surface bending steel strips is through the use of roll forming machines. These machines consist of a series of rollers that gradually bend the steel strip into the desired shape. The strip is fed through the machine, and each roller applies a small amount of force to bend the strip little by little. This process allows for precise and consistent bending of the steel strip. Another method used for surface bending is press braking. This technique involves the use of a hydraulic or mechanical press to bend the steel strip. The strip is placed between a punch and a die, and pressure is applied to the strip, causing it to bend. Press braking is suitable for both small and large bends, and it allows for more complex shapes to be formed. In some cases, heat may be applied to the steel strip to aid in the bending process. This is known as hot bending and is commonly used for thicker steel strips. The strip is heated to a specific temperature and then bent into the desired shape. The heat softens the steel, making it more malleable and easier to bend. After the surface bending process is complete, the steel strips may undergo additional treatment such as annealing or tempering to improve their strength and durability. These treatments help to remove internal stresses caused by the bending process and enhance the overall performance of the steel. In conclusion, steel strips can be processed for surface bending through methods such as roll forming, press braking, and hot bending. Each of these techniques offers unique advantages and is chosen based on factors such as the desired shape, thickness of the strip, and the specific requirements of the application.

Q: How are steel strips used in the production of electrical contacts?: Steel strips are essential in the manufacturing process of electrical contacts because they possess the required strength and conductivity for dependable electrical connections. Typically, these strips are composed of high-quality steel alloys that exhibit excellent electrical conductivity and favorable mechanical properties. To achieve the desired form of electrical contacts, the steel strips first undergo precise cutting, followed by various manufacturing procedures. Stamping or punching techniques are commonly employed to create the necessary shape, whether it be flat or curved contacts. Once the contacts are shaped, they often undergo plating or coating with a thin layer of precious metals, such as silver or gold. This plating not only enhances the electrical conductivity but also provides resistance to corrosion, ensuring long-lasting reliability in the electrical connections. Steel strips are also widely used as the foundational material for bimetallic contacts, which are particularly useful in devices where temperature fluctuations can impact electrical connections. Bimetallic contacts consist of two different metals bonded together, with one strip made of steel and the other made of a material with a distinct coefficient of thermal expansion. This combination allows the contacts to adapt to varying temperatures, guaranteeing dependable electrical connections. In conclusion, steel strips are indispensable in the production of electrical contacts due to their ability to provide the necessary strength, conductivity, and adaptability for a wide range of applications. Whether employed as standalone contacts or as components of bimetallic structures, steel strips serve as the backbone for reliable electrical connections in numerous devices and systems.

Q: How are steel strips processed for galvanizing?: Steel strips are processed for galvanizing through a series of steps to ensure proper adhesion and corrosion resistance of the galvanized coating. The process typically involves the following steps: 1. Surface Preparation: The steel strips are first cleaned through various methods to remove any dirt, oil, or rust present on the surface. This can be done through chemical cleaning, mechanical cleaning (such as shot blasting), or a combination of both. 2. Pickling: After surface preparation, the steel strips are immersed in a pickling solution, usually a diluted acid, to remove any remaining scale or oxides. This step helps to create a clean and chemically reactive surface for the galvanized coating to adhere to. 3. Fluxing: Once the pickling process is complete, the steel strips are rinsed to remove any residual acid and then immersed in a flux solution. The flux solution helps to prevent oxidation of the steel surface prior to galvanizing and promotes the formation of a uniform and smooth zinc coating. 4. Galvanizing: The steel strips are then passed through a bath of molten zinc at a high temperature. The zinc reacts with the steel surface to form a metallurgical bond, creating a protective zinc coating. The thickness of the coating can be controlled by controlling the speed at which the steel strips pass through the zinc bath. 5. Cooling and Quenching: Once the steel strips are galvanized, they are cooled to solidify the zinc coating. This can be done through air cooling or by quenching the strips in water. The cooling process helps to ensure the integrity and durability of the galvanized coating. 6. Inspection and Quality Control: After cooling, the galvanized steel strips are inspected for any defects or inconsistencies in the coating. This can include visual inspection, measurement of coating thickness, adhesion tests, and other quality control measures. Any defects found may require corrective actions or rework before the steel strips can be considered ready for further processing or use. Overall, the process of galvanizing steel strips involves a combination of surface preparation, chemical reactions, and quality control measures to provide a durable and corrosion-resistant coating. This coating not only enhances the longevity of the steel but also provides an aesthetically pleasing finish for various applications in industries such as construction, automotive, and manufacturing.

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