16 Gauge 4 X 8 Sheets of Aluminum - Cold Rolled Steel Sheet Wholesale from China Factory

16 Gauge 4 X 8 Sheets of Aluminum - Cold Rolled Steel Sheet Wholesale from China Factory System 1

16 Gauge 4 X 8 Sheets of Aluminum - Cold Rolled Steel Sheet Wholesale from China Factory System 2

16 Gauge 4 X 8 Sheets of Aluminum - Cold Rolled Steel Sheet Wholesale from China Factory

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 1000 m.t./month

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Product Description:

Hot rolled coils/plates
Type: steel coil and steel plates
Material: SS400-Q235-Q345-SPHC
Width:1250mm 1500mm 1800mm 2000mm

HOT-ROLLED COIL/PLATES(Material: SS400-Q235A/B-SPHC)
2.00*1250/1500L	3.50*1250/1500L	5.75*1250/1500L	11.50*1250/1500L
2.30*1250/1500L	3.75*1250/1500L	7.50*1250/1500L	11.75*1250/1500L
2.50*1250/1500L	4.50*1250/1500L	7.75*1250/1500L	13.50*1250/1500L
2.75*1250/1500L	4.75*1250/1500L	9.50*1250/1500L
3.00*1250/1500L	5.50*1250/1500L	9.75*1250/1500L

PATTERN-ROLLED COIL/PLATES(Material: Q235A-Q235B)
3.00*1250L	3.75*1250L	4.75*1250L	5.75*1250L
3.50*1250L	4.50*1250L	5.50*1250L	7.50*1250L

MIDDEL-PLATE(Material: Q235A/B-Q345A/B)
8*1800/2000L	16*1800/2000L	25*1800/2000L	45*1800/2000L
10*1800/2000L	18*1800/2000L	30*1800/2000L	50*1800/2000L
12*1800/2000L	20*1800/2000L	35*1800/2000L
14*1800/2000L	221800/2000L	401800/2000L

Name	galvanized steel coil dx52d z gi
Grade	GB/T-12754: 2006, JIS3302, EN 10142, ASTM A653, JIS G3302, SGCC/SGCH, GB/T2518, European Standard, ASTM A792, JIS G3321, JIS G3317
BASE PLATE	Cold rolled steel sheet, hot dipped zinc coated steel sheet hot dipped A-Z coated steel sheet
EQUIPMENT	Double coating double baking;
CAPACITY	5000Mt/week
SIZE	Thickness 0.18mm—2mm, width 40mm—1250mm
ZINC COATING	40g-275g /m2
PAINT THICKNESS	Top:20+-5um, back:5-7um
COIL WGT	3Mt - 8Mt
COIL ID	φ508mm,φ610mm
BASE SHEET	Cold rolled steel sheet, hot dipped zinc coated steel sheet (small, regular or zero spangle), hot dipped A-Z coated steel sheet
SURFACE PAINT	EP, PE, HDP, SMP, PVDF
COLOR SERIES	RAL color number series

Applications of cold rolled steel sheet coil :

1) Automotive bodies: filters, fuel tanks, etc.

2) Construction materials: roofings, welding pipes,

3) Electric and electronic appliances: computer cans, etc.

4) Steel cans: containers, etc.

5) Steel furniture: washing machines, refrigerators, microwaves, etc.

6) Drums

7) Office equipment: printer, recorders, etc.

8) Motors and transformers

Process of cold rolled steel sheet coil :

Pay off reel-double cut shear-welder-notcher-entry accumulator-pre cleaning section-furnace-hot bridle-zinc pot-air knife-after cooler-water quench-dryer- skin pass mill-dryer-tension leveler-dryer-chemical coater-chemical oven-cooler-exit accumulator-oiler-exit shear-tension reel.

Features of cold rolled steel sheet coil :

1) cold rolled steel coils prices is manufactured to have a long durability, strong corrosion resistance and shiny surface.

2) cold rolled steel coils prices features excellent forming properties, paintability, weldability, and is suitable for fabrication by forming, pressing and bending.

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Cold Rolled Steel Sheet Wholesale from China Factory

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FAQ:

1.Q: What about leadtime ?

A: Normally the leadtime is 60days after we receive the deposit and confirm the details. All the press machines we use is the best quality in China Yangli brand. The press machine leadtime from Yangli is 50days, the best leadtime we can give is 60days.

2.Q: What's the lead time for moulds?

A: Normally the mould leadtime is 45 days after we confirm all the details with customer. Our professional mechanical enginners from Austria will design the mould according to the samples from customer, or by the specifications offered by customers.

3.Q:What kinds of mould you can make? and what is your strong point for the moulds?

A: we can make wrinkle wall mould and smooth wall mould both. For wrinkle wall mould we can make, 79" pan, fish pan, bbq pan. For smooth wall mould we can make muffin cup, and cake cup, tar cup,etc. We can also make 2 or 3 portion conatiner moulds as long as you offer us sample or specifications. Our strong points are all our moulds are WEDMLS cut, which makes the mould more accurate and precise. Important materials likestainless steel parts we make in Austria. We also recut after heat treatment, which most of makers do not take this process.

Q: What are the different methods of bending aluminum sheets?: There are several methods of bending aluminum sheets, each with its own advantages and limitations. Some of the commonly used methods include: 1. Press Brake Bending: This method involves clamping the aluminum sheet between a punch and a die on a press brake machine. The sheet is then bent by applying force through the punch, which pushes against the die. Press brake bending is ideal for high-volume production and can achieve precise and consistent bends. 2. Roll Bending: Also known as a three-roll bending process, this method uses a set of three rollers to gradually bend the aluminum sheet into the desired shape. Roll bending is suitable for creating cylindrical or conical shapes and is often used in industries like automotive and aerospace. 3. Stretch Bending: In this method, the aluminum sheet is clamped at both ends while a stretching force is applied in the middle. The sheet is elongated and bent simultaneously, resulting in a curved shape. Stretch bending is commonly used for producing curved profiles with a smooth and uniform finish. 4. Heat Bending: By applying heat to the aluminum sheet, it becomes more pliable and can be easily bent into desired shapes. Heat bending is often performed using a heat gun or an oven to soften the metal, followed by manual or mechanical bending. This method is useful for creating complex and intricate shapes. 5. Incremental Bending: This method involves bending the aluminum sheet in multiple steps or increments, gradually increasing the bend angle with each step. Incremental bending allows for greater control over the bending process and is commonly used for forming U-shaped or V-shaped bends. 6. Roll Forming: In roll forming, the aluminum sheet is fed through a series of rollers, each gradually bending the sheet a little more. This continuous process is ideal for producing long and consistent bends, often used in the production of aluminum profiles and extrusions. It is worth noting that the choice of bending method depends on factors like the desired bend angle, the thickness and grade of the aluminum sheet, the required precision, and the volume of production.

Q: How are aluminum sheets typically packaged for shipping?: Aluminum sheets vary in their packaging for shipping, depending on their size and quantity. One way to package them is by binding them together using metal or plastic straps. These sheets are stacked with a layer of protective material between each sheet, like foam or cardboard, to prevent any scratches or damage. The bundle is then tightly secured with straps to keep them intact during transit. For smaller quantities or smaller sheets, aluminum sheets can be packed in boxes or crates. The sheets are cautiously arranged inside the box or crate, often separated by protective material to avoid any rubbing or contact. The box or crate is then sealed and labeled for shipping purposes. There are instances where aluminum sheets are packaged on pallets. Multiple sheets are stacked on a pallet, also with protective material between each sheet. To ensure stability during transportation, the sheets are fastened to the pallet using stretch wrap or shrink wrap. Irrespective of the chosen packaging method, it is crucial to properly label the packages with pertinent information such as contents, weight, dimensions, and any special handling instructions. This measure guarantees that the aluminum sheets are handled and shipped correctly, minimizing the risk of damage or loss during transit.

Q: This question asks about the distinctions between aluminum sheets that are produced domestically versus those that are imported.: <p>Yes, there can be differences between domestic and imported aluminum sheets. These differences may include quality standards, material composition, thickness, surface finish, and price. Domestic sheets are often produced to meet local standards and regulations, while imported sheets may adhere to different international standards. The manufacturing process and raw materials used can also vary, leading to differences in durability, strength, and workability. Additionally, imported sheets might have different certifications or come from countries with lower production costs, which can affect the price. However, it's important to note that not all imported aluminum sheets are of lower quality; some may be of higher quality or have specific characteristics that are not available domestically.</p>

Q: What are the different types of alloys used for anodized aluminum sheets?: There are several different types of alloys that can be used for anodized aluminum sheets, each with its own unique properties and applications. Some of the commonly used alloys include: 1. 1000 series alloys: These alloys are primarily made of pure aluminum and are known for their excellent corrosion resistance. They are commonly used for anodized aluminum sheets in various industries, including architecture, automotive, and aerospace. 2. 5000 series alloys: These alloys contain magnesium as the primary alloying element, which provides enhanced strength and excellent weldability. They are often used for anodized aluminum sheets in applications that require high strength and resistance to atmospheric corrosion. 3. 6000 series alloys: This series of alloys is known for its excellent combination of strength, extrudability, and corrosion resistance. The most commonly used alloy in this series for anodized aluminum sheets is 6061, which is widely used in structural components, marine applications, and consumer electronics. 4. 7000 series alloys: These alloys are known for their exceptional strength and are typically used in applications that require high-performance materials. The most common alloy in this series for anodized aluminum sheets is 7075, which is widely used in aerospace and defense industries. 5. 2000 series alloys: These alloys are primarily used in applications that require high strength and excellent fatigue resistance. They are commonly used in the aerospace industry for anodized aluminum sheets. It's important to note that the choice of alloy for anodized aluminum sheets depends on the specific requirements of the application, including desired strength, corrosion resistance, and other mechanical properties.

Q: How do you ensure the flatness of large aluminum sheets?: To ensure the flatness of large aluminum sheets, there are several key steps that can be taken: 1. Material selection: Start by choosing high-quality aluminum sheets that are specifically manufactured for flatness. These sheets should have consistent thickness and minimal internal stress to minimize the chances of warping. 2. Proper storage: Store the aluminum sheets in a controlled environment to avoid exposure to extreme temperature fluctuations or humidity. This will help prevent any potential expansion or contraction of the metal, which can lead to warping. 3. Handling and transportation: When moving or transporting the aluminum sheets, ensure that they are supported evenly to prevent any bending or flexing. Use appropriate lifting and handling equipment to avoid excessive strain on the sheets. 4. Machining and processing: During the machining and processing steps, it is crucial to use proper techniques and equipment to maintain flatness. Employ precision machinery that is capable of handling large sheets and has features to minimize distortion or bending during cutting, drilling, or forming processes. 5. Heat treatment: If necessary, heat treatment can be employed to relieve any residual stress in the aluminum sheets. Thermal stress relief techniques, such as annealing, can help reduce internal stress and improve flatness. 6. Quality control: Implement a rigorous quality control process to ensure the flatness of the aluminum sheets. This can include regular inspections using precision measuring instruments, such as straightedges or laser scanners, to detect any deviations from flatness. If any issues are identified, corrective actions can be taken promptly. By following these steps, manufacturers can ensure the flatness of large aluminum sheets, which is crucial for various industries such as aerospace, automotive, construction, and manufacturing.

Q: Can aluminum sheets be used for automotive heat shields?: Yes, aluminum sheets can be used for automotive heat shields. Aluminum is a popular choice for heat shields in the automotive industry due to its excellent thermal conductivity and heat resistance properties. It has a high melting point and can effectively dissipate heat, making it suitable for protecting various components from excessive heat exposure. Additionally, aluminum sheets are lightweight and easy to shape, allowing for custom designs to fit specific automotive applications. Overall, aluminum sheets are a reliable and cost-effective option for automotive heat shields.

Q: What are the different methods of polishing aluminum sheets?: There are several methods for polishing aluminum sheets, including mechanical polishing, chemical polishing, and electro-polishing. Mechanical polishing involves using abrasives, such as sandpaper or polishing compounds, to physically remove imperfections and create a smooth surface. Chemical polishing utilizes a mixture of acids and other chemicals to dissolve the surface layer of the aluminum, resulting in a polished finish. Electro-polishing involves using an electric current to remove surface material and create a smooth, shiny surface. Each method has its own advantages and may be chosen depending on the desired finish and the specific requirements of the aluminum sheet.

Q: how to make aluminum products bright? How to polish or clean the products punch formed by 0.3mm aluminum sheet?: you can try to grind it with magnetic grinder.

Q: Explain the distinctions between aluminum and steel sheets in terms of their properties and applications.: <p>Aluminum sheets and steel sheets differ in material composition, weight, strength, and applications. Aluminum sheets are lightweight, corrosion-resistant, and have good thermal conductivity, making them ideal for applications requiring light weight and resistance to corrosion. Steel sheets, on the other hand, are heavier, stronger, and more durable, suitable for structural applications where high strength is required. Steel is also magnetic, which aluminum is not, and has a higher melting point. However, steel is more prone to rust compared to aluminum, which requires protective coatings or treatments in many applications.</p>

Q: Can aluminum sheets be anodized in different finishes?: Yes, aluminum sheets can be anodized in different finishes. Anodizing is an electrochemical process that enhances the natural oxide layer on aluminum, making it thicker and more durable. This process can be customized to achieve various finishes such as clear, colored, or even textured surfaces. The type of finish depends on factors like the alloy composition, anodizing method, and the desired appearance. Anodized aluminum sheets are widely used in various industries including architecture, automotive, and electronics due to their corrosion resistance, aesthetic appeal, and ability to retain color over time.

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