Prepainted galvanized steel coils PPGI PPGL

Prepainted galvanized steel coils PPGI PPGL System 1

Prepainted galvanized steel coils PPGI PPGL System 2

Prepainted galvanized 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

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: What are the different methods for embossing steel strips?: There are several different methods for embossing steel strips, each with its own advantages and applications. 1. Roll embossing: This is the most common method, where the steel strip is passed through a set of rolls with engraved patterns. The rolls press against the strip, creating the desired embossed design. Roll embossing is widely used in industries such as automotive, construction, and decorative applications. 2. Heat embossing: In this method, the steel strip is heated and then pressed onto a patterned die. The heat softens the metal, allowing it to take the shape of the die. Heat embossing is often used for intricate or detailed designs that would be difficult to achieve with roll embossing. 3. Laser embossing: This is a non-contact method where a laser beam is used to create the embossed pattern on the steel strip. The laser removes material from the surface, generating the desired design. Laser embossing offers high precision and flexibility, making it suitable for complex and customized patterns. 4. Press embossing: Also known as stamping, press embossing involves using a hydraulic or mechanical press to force the steel strip against a die. The die has the desired pattern engraved on it, and the pressure of the press transfers the pattern onto the strip. Press embossing is commonly used for large-scale production and can achieve deep and uniform embossing. 5. Photochemical etching: This method involves applying a photoresist to the steel strip and then exposing it to ultraviolet light through a patterned mask. The exposed areas are chemically etched away, leaving the embossed design on the strip. Photochemical etching allows for intricate patterns and is often used for decorative or artistic purposes. Each of these methods has its own advantages and limitations, and the choice of method depends on factors such as the desired design, production volume, precision requirements, and cost considerations.

Q: How are steel strips processed for gasketing?: To ensure the gasket production requirements are met, steel strips go through a series of steps. Initially, the strips are received in the desired width and thickness, and defects or surface imperfections that could impact gasket quality are inspected. Next, the strips undergo a cleaning process to eliminate any dirt, oil, or contaminants, guaranteeing proper adhesion during manufacturing. This typically involves utilizing chemical agents, mechanical scrubbing, and rinsing. Following the cleaning process, the steel strips are often annealed to enhance their ductility and reduce internal stresses. Annealing involves heating the strips to a specific temperature and gradually cooling them, softening the material for easier gasket formation. Once annealed, the strips are cut to the desired length using various methods like shearing or slitting, depending on gasket design requirements. After cutting, the strips may undergo additional processing, such as stamping or punching, to create specific shapes or features essential for accurate dimensions and precise gasket fitting. Finally, the processed steel strips are typically coated with a protective layer, such as zinc or other corrosion-resistant materials, to enhance durability and prevent rust and corrosion that could affect gasket performance. In conclusion, the process of gasketing steel strips involves inspection, cleaning, annealing, cutting, shaping, and coating. These steps are crucial in ensuring the strips meet specifications and provide reliable sealing properties in various applications.

Q: What are the different lengths available for steel strips?: Steel strips are available in a variety of lengths to suit different applications and requirements. The lengths of steel strips can range from a few inches to several feet, depending on the intended use and the industry. Common lengths for steel strips can be found in standard sizes such as 12 inches, 24 inches, 36 inches, and so on. However, custom lengths can also be obtained by cutting longer strips to the desired size. Additionally, steel strips can be supplied in rolls or coils, which can have varying lengths depending on the thickness and width of the strip. Ultimately, the length of steel strips is determined by factors such as the specific industry, the intended use, and the customer's specifications.

Q: How are steel strips protected during storage?: Various methods are employed to safeguard steel strips during storage, with the aim of averting damage and corrosion. One prevalent approach involves applying a protective coating onto the surface of the steel strips. This coating effectively acts as a shield, separating the steel from the surrounding environment, thereby obstructing any contact between the metal and moisture or other corrosive substances. Furthermore, to further minimize the risk of corrosion, it is common practice to store steel strips in a controlled environment with low levels of humidity. To protect against physical harm, steel strips are frequently stored on racks or in specialized containers to limit contact with other objects. Additionally, proper handling and stacking techniques are implemented to avert any bending or warping of the strips. Regular inspections and maintenance play a crucial role in promptly addressing any indications of corrosion or damage, thus prolonging the lifespan of the steel strips.

Q: What is the typical coefficient of thermal expansion of steel strips?: The coefficient of thermal expansion for steel strips can vary depending on the specific type of steel and its composition. The typical range for this coefficient is between 10 and 14 ppm/°C. This means that for every degree Celsius increase in temperature, the steel strip will expand by approximately 10-14 parts in length per million parts of its original length. It is important to consider that this value can be influenced by factors like the presence of alloying elements and the specific heat treatment applied to the steel. Therefore, it is recommended to refer to the specific technical data or manufacturer's specifications to determine the precise coefficient of thermal expansion for a particular grade or alloy of steel strip.

Q: What are the main safety precautions when working with steel strips?: The main safety precautions when working with steel strips include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toe boots to protect against potential injuries. It is essential to handle steel strips with care to avoid cuts or abrasions, and to ensure that they are properly secured to prevent them from falling or shifting. Additionally, workers should be trained on safe lifting techniques and be cautious of sharp edges or corners to prevent any accidents.

Q: Can steel strips be used in the production of electrical connectors?: Yes, steel strips can be used in the production of electrical connectors. Steel is a commonly used material in the manufacturing of electrical connectors due to its various properties. Steel strips are often used to create the connector bodies or conductive elements within the connectors. Steel offers several advantages for electrical connectors. It is a strong and durable material, providing excellent mechanical strength and resistance to deformation. This ensures that the connectors can withstand the rigors of use and maintain a secure connection over time. Additionally, steel has good electrical conductivity, allowing for efficient transmission of electrical signals. It also has high thermal conductivity, which helps in dissipating heat generated during electrical operations. These properties make steel strips suitable for use in electrical connectors, as they can effectively transfer electrical current and handle the associated heat. Moreover, steel is readily available and cost-effective, making it an economical choice for connector production. It can be easily formed, stamped, or machined to create the desired shape and features required for connectors. This versatility allows for the manufacturing of a wide range of connector types and sizes to meet various electrical connection needs. However, it is worth noting that steel strips may need additional surface treatments or coatings to prevent corrosion or enhance conductivity, depending on the specific application requirements. Overall, steel strips are a reliable and widely used material in the production of electrical connectors, thanks to their strength, conductivity, and cost-effectiveness.

Q: How are steel strips used in the marine industry?: Steel strips are commonly used in the marine industry for various applications such as constructing ship hulls, bulkheads, decks, and other structural components. These steel strips provide strength, durability, and corrosion resistance, ensuring the integrity and longevity of marine vessels in harsh marine environments.

Q: Can steel strips be used in the manufacturing of boat hulls?: Yes, steel strips can be used in the manufacturing of boat hulls. They are commonly used in larger vessels due to their strength, durability, and ability to withstand harsh marine environments.

Q: How are steel strips leveled or straightened?: Steel strips are widely utilized in various industries, including automotive, construction, and manufacturing. Before further processing, it is crucial to level and straighten these strips. The process of leveling or straightening steel strips encompasses multiple techniques to ensure their flatness and accuracy. The roller leveling process stands as one of the primary methods employed for leveling steel strips. This process involves passing the steel strip through a series of rollers arranged in an alternating pattern. These rollers exert pressure on specific points of the strip, effectively stretching and bending it to eliminate any undesired curvature or waviness. The rollers are adjusted accordingly to achieve the desired levelness, and the strip is continuously fed through the rollers until the desired flatness is attained. Another commonly used method is the stretcher leveling process. In this technique, the steel strip undergoes clamping at both ends and is then stretched beyond its yield point. This stretching action allows the strip to elastically deform, effectively eliminating any residual stresses and straightening it. Subsequently, the strip is released and returns to its original length, albeit with reduced internal stresses that contribute to its flatness. Precision leveling represents an additional technique employed for leveling steel strips. This method utilizes advanced machinery equipped with multiple bending and stretching stations. The strip is fed through these stations, where controlled bending and stretching forces are applied to rectify any irregularities. The precision leveling process can achieve high levels of accuracy, ensuring the strip's flatness within narrow tolerances. Furthermore, laser leveling has emerged as a modern and technologically advanced method. Laser beams are utilized to scan the surface of the steel strip, accurately measuring its height variations. The collected data is then employed to adjust the leveling machinery, eliminating any deviations and achieving a perfectly flat strip. To summarize, various techniques, such as roller leveling, stretcher leveling, precision leveling, and laser leveling, are employed to level or straighten steel strips. These methods aim to remove undesired curvature or waviness and achieve the desired flatness, thereby ensuring the quality and usability of the steel strips in diverse industrial applications.

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