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: Are steel strips suitable for making hinges?: Yes, steel strips are suitable for making hinges. Steel is a strong and durable material that can withstand heavy loads and repetitive movements, making it an excellent choice for hinge construction. Steel strips can be shaped, bent, and welded to create the desired hinge design, providing stability and smooth operation. Additionally, steel is resistant to corrosion and can be treated with various coatings to enhance its longevity. Overall, steel strips are a reliable and commonly used material for manufacturing hinges in a wide range of applications, including doors, cabinets, and machinery.

Q: How are steel strips used in the aerospace industry?: Steel strips are used in the aerospace industry for various purposes, including manufacturing aircraft components, such as structural parts, fasteners, and fittings. These strips are often used for their high strength and durability, providing stability and structural integrity to the aircraft. Additionally, they can be used in the fabrication of landing gear, engine mounts, and other critical components that require high strength and resistance to extreme conditions. Overall, steel strips play a crucial role in maintaining the safety and reliability of aircraft in the aerospace industry.

Q: What is the purpose of steel strips?: The purpose of steel strips is to provide strength, durability, and stability in various applications such as construction, manufacturing, automotive, and packaging industries. They are commonly used as reinforcement in concrete structures, as raw material for making various products, and in packaging to secure and protect goods during transportation.

Q: How are steel strips used in the production of aircraft structures?: Steel strips are an essential component in the production of aircraft structures, playing a crucial role in ensuring the strength, stability, and durability of the aircraft. These strips are primarily used in the manufacturing of various structural elements such as frames, ribs, and stringers. One of the primary applications of steel strips in aircraft structures is the construction of frames and bulkheads. These frames provide the structural support and rigidity to the aircraft, allowing it to withstand the various forces and stresses encountered during flight. Steel strips are used to form the frame members, which are then welded or riveted together to create a rigid structure. Steel strips are also used in the production of ribs, which are integral components of the wing and fuselage structures. Ribs provide the necessary shape and strength to the wings, ensuring aerodynamic efficiency and structural integrity. Steel strips are formed into the desired shape and then attached to the wing or fuselage structure, providing the necessary support and stability. Additionally, steel strips are used in the manufacturing of stringers, which are longitudinal structural members that run along the length of the aircraft's fuselage or wings. Stringers provide additional strength and stiffness to the aircraft structure, helping to distribute the loads evenly. Steel strips are formed into the desired shape and then attached to the skin of the aircraft, providing reinforcement and preventing deformation. In summary, steel strips are extensively used in the production of aircraft structures to provide strength, stability, and durability. They are used in the construction of frames, ribs, and stringers, which are crucial components of the aircraft's structure. By incorporating steel strips into the manufacturing process, the aircraft can withstand the rigors of flight and ensure the safety of passengers and crew.

Q: How are steel strips processed for fire resistance?: Steel strips are typically processed for fire resistance by applying a coating or treatment that enhances their ability to withstand high temperatures. This can involve processes such as galvanizing, where a layer of zinc is added to protect the steel from heat and corrosion. Another method is the application of intumescent coatings, which expand when exposed to fire, forming a protective barrier that insulates the steel. These treatments help to improve the fire resistance of steel strips, making them suitable for applications in fire-prone environments.

Q: What are the specifications for tolerance in steel strips?: Tolerance specifications for steel strips are subject to variation based on the intended application and industry standards. However, there are some general specifications to consider: 1. Thickness Tolerance: Steel strips must satisfy specific thickness requirements, typically represented as a tolerance range. For instance, a steel strip with a specified thickness of 5mm may have a tolerance range of ±0.1mm, allowing the actual thickness to range from 4.9mm to 5.1mm. 2. Width Tolerance: Similarly, the width of steel strips must meet specified requirements. Width tolerance is usually expressed as a tolerance range or a maximum deviation from the specified width. For example, a steel strip with a specified width of 100mm may have a tolerance range of ±0.5mm, allowing the actual width to range from 99.5mm to 100.5mm. 3. Flatness Tolerance: Steel strips must adhere to flatness requirements to ensure an even surface without significant deviations. Flatness tolerance is often expressed as the maximum distance between the strip and a perfectly flat reference surface. For instance, a steel strip with a flatness tolerance of 0.1mm/1000mm means that the strip's surface can deviate up to 0.1mm from a perfectly flat plane for every 1000mm of length. 4. Surface Quality: Steel strips must possess a specific surface finish and quality, which can be specified according to industry standards like ASTM or ISO. Surface quality requirements may include parameters such as roughness, visual defects, and cleanliness. 5. Edge Condition: The edges of steel strips may also have specific tolerance requirements, encompassing parameters like burrs, sharpness, or the presence of any defects. It is important to note that these specifications can vary depending on the intended use of the steel strips, such as automotive, construction, or industrial applications. Therefore, consulting the relevant industry standards or customer specifications is crucial to determine the precise tolerance requirements for steel strips in a specific context.

Q: How are steel strips tempered for increased hardness?: Heat treatment is a process used to increase the hardness of steel strips by tempering them. This process involves subjecting the strips to controlled heating and cooling cycles, which alter their microstructure and strengthen the material. To begin, the strips are heated to a specific temperature called the austenitizing temperature. This temperature varies depending on the type of steel and the desired hardness. The strips are then held at this temperature for a certain period of time to ensure even distribution of heat. After the austenitizing process, the strips are rapidly cooled, a process known as quenching. Quenching can be done using different methods such as oil, water, or air, depending on the desired properties of the final product. The rapid cooling transforms the microstructure of the steel, resulting in increased hardness. Following quenching, the strips are tempered. Tempering involves reheating the steel to a lower temperature, typically between 300-700 degrees Celsius (572-1292 degrees Fahrenheit), for a specific duration. This step is crucial as it relieves internal stresses caused by quenching and further modifies the microstructure. The tempering temperature and duration are carefully chosen to achieve the desired hardness and toughness. Higher tempering temperatures result in lower hardness but increased toughness, while lower tempering temperatures lead to higher hardness but reduced toughness. In conclusion, increasing the hardness of steel strips through tempering involves controlled heating, rapid cooling through quenching, and subsequent tempering at specific temperatures. By manipulating the steel's microstructure, the desired hardness can be achieved, making the strips suitable for applications requiring strength and durability.

Q: How are steel strips used in the shipbuilding industry?: Steel strips are used in the shipbuilding industry for various purposes such as constructing the hull, reinforcing structural components, and creating interior fittings. They are shaped and welded together to form the framework of the ship, providing strength, stability, and durability to withstand the harsh marine environment. Additionally, steel strips are used for fabricating decks, bulkheads, and other essential parts of the ship, ensuring its overall structural integrity.

Q: How are steel strips used in the production of hinges and hardware?: Due to their durability and strength, steel strips are vital in the production of hinges and hardware. Typically made from high-quality steel alloys, these strips offer excellent resistance to corrosion, wear, and tear. In the manufacturing process, the desired size and shape of the hinges or hardware determine the specific lengths and widths into which steel strips are cut. Techniques such as stamping, pressing, or rolling are then used to shape, bend, and form these strips. By carefully manipulating the steel strips, hinge leaves, pins, or brackets, the necessary components of hinges and hardware are created. These components are assembled and welded together to ensure a secure and sturdy connection. The use of steel strips in hinge and hardware production allows for customization and design flexibility. Different thicknesses and widths of steel strips can be utilized to meet specific strength and load-bearing requirements. Additionally, treating or coating the steel further enhances its performance, such as through galvanization to provide additional protection against rust and corrosion. In summary, steel strips are essential in hinge and hardware production as they provide the necessary strength, durability, and versatility required for these components. Their use guarantees that hinges and hardware can withstand daily use and deliver reliable functionality for various applications.

Q: How do steel strips perform in fire-resistant applications?: Steel strips perform exceptionally well in fire-resistant applications. Due to their inherent strength and high melting point, steel strips can withstand high temperatures for an extended period without deformation or structural failure. They effectively act as a barrier, preventing the spread of fire and providing structural stability to the application. Additionally, steel strips have excellent heat transfer properties, allowing them to dissipate heat efficiently and further enhance their fire-resistant capabilities. Overall, steel strips are a reliable and effective choice for fire-resistant applications.

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