The Cheap Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302

The Cheap Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302 System 1

The Cheap Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Hot-dip Zinc Coating Steel Building Roof Walls
1.Structure of Hot-Dip Galvanized Steel Sheet Description：

Hot-dip galvanized steel coils are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial applications. Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.

2.Main Features of the Hot-Dip Galvanized Steel Sheet：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent anticorrosive property

• High strength

• Good formability

• Good visual effect

3.Hot-Dip Galvanized Steel Sheet Images

The Cheap Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302

4.Hot-Dip Galvanized Steel Sheet Specification

Standard: ASTM, JIS,EN

Grade: CS, DX51D+Z,SGCC, SS 230~550,S220GD+Z~S550GD+Z, SGC340~SGC570

Thickness: 0.18mm~5mm

Width: max 2000mm

Coil weight:3-12 MT

Coil ID:508/610mm

Surface structure: zero spangle, regular spangle or minimum spangle

Surface treatment: Chromate treatment, Oiled/dry, skinpassed/non-skinpassed

Packing: Standard seaworthy export package

Technology test results:

Processability	Yield strength	Tensile strength	Elongation %	180°cold-bending
Common PV	-	270-500	-	d=0,intact,no zinc removal
Mechanical interlocking JY	-	270-500	-	d=0,intact,no zinc removal
Structure JG	>=240	>=370	>=18	d=0,intact,no zinc removal
Deep drawn SC	-	270-380	>=30	d=0,intact,no zinc removal
EDDQ SC	-	270-380	>=30	d=0,intact,no zinc removal

5.FAQ of Hot-Dip Galvanized Steel Sheet

We have organized several common questions for our clients，may help you sincerely：

1.How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

2. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-30 days, but the shipment will depend on the vessel situation.

Q: How are steel coils used in the production of electrical motors?: Steel coils are used in the production of electrical motors as they serve as the core component of the motor's electromagnetic system. These coils are wrapped around an iron core, creating an electromagnetic field when electricity flows through them. This electromagnetic field generates the necessary force that allows the motor to convert electrical energy into mechanical energy, enabling the motor to function and perform various tasks.

Q: What are the different types of steel coil surface defects?: There are several different types of steel coil surface defects that can occur during the manufacturing or handling process. Some of the common types include: 1. Rust: Rust is a common surface defect that occurs when the steel coil is exposed to moisture or oxygen. It appears as a reddish-brown discoloration on the surface of the coil. 2. Scratches: Scratches are superficial marks that can occur during handling or transportation of the steel coil. They can vary in depth and severity, ranging from light surface scratches to deep gouges. 3. Stains: Stains are another type of surface defect that can occur due to exposure to chemicals or other substances. They can appear as discolored patches on the surface of the coil, and may be difficult to remove. 4. Roll marks: Roll marks are impressions or indentations that can occur during the rolling process. They are caused by uneven pressure or misalignment of the rolls, and can appear as lines or patterns on the surface of the coil. 5. Edge wave: Edge wave is a defect that occurs when the edges of the coil are not perfectly flat. It can cause the edges to appear wavy or uneven, and may affect the overall appearance and performance of the coil. 6. Oil spots: Oil spots are surface defects that occur when oil or lubricants used in the manufacturing process are not properly removed. They can appear as dark spots or patches on the surface of the coil, and may affect the adhesion of coatings or paints. 7. Pitting: Pitting is a defect that appears as small, shallow depressions or pits on the surface of the coil. It can be caused by factors such as corrosion, uneven cooling, or impurities in the steel. 8. Holes: Holes are more severe surface defects that can occur due to a variety of reasons, such as corrosion, mechanical damage, or manufacturing errors. They can range in size and can significantly affect the structural integrity of the coil. It is important to address these surface defects promptly to ensure the quality and performance of the steel coil. Regular inspections, proper handling, and appropriate surface treatments can help minimize the occurrence of these defects.

Q: How are steel coils used in the production of HVAC ductwork?: Steel coils are used in the production of HVAC ductwork as they are rolled into thin sheets and then formed into the desired shape to create the ducts. The coils provide strength and durability to the ductwork, ensuring it can withstand the high temperatures and pressure of air conditioning and heating systems.

Q: Can i use steel shot in a remington 870 wingmaster full choke 30 inch barrel. the shotgun is in great shape and about 20 or 25 years old probably. thank you. the steel shot i have got is 12 gauge 2 3/4 in 1550 velocity 1 1/16 oz 2 shot winchester xpert high velocity steel shot: Remington Steel Shot

Q: Hi! does anyone know where can i find a building with a structure of steel frames, i need to do an analysis for school so i need joint details, girder details and such! PLEASE help me! thanks: if u need to analyse a steel framed structure for joint details the best example would be of a mechanic workshop...the truss of such a workshop is always supported on a portal frame and in most of the case thats a steel structure...do keenly observe the joints at the footing plates that is connected to the girder section...nd also observe the joints in truss of such a frame....myslf m a civil engg. student.

Q: How are steel coils coated for color and aesthetics?: Color and aesthetics can be added to steel coils through a process known as coil coating. This process involves applying a layer of paint or coating material to the surface of the steel coil in order to enhance its appearance and protect it against corrosion. To start the coil coating process, the steel surface is thoroughly cleaned and pre-treated. This step ensures that the surface is free from any contaminants and provides a suitable base for the coating to adhere to. The pre-treatment process may include cleaning, degreasing, and chemical treatment to improve the adhesion and durability of the coating. Once the surface is prepared, the coil is fed through a continuous coating line. In this line, the coating material, usually a liquid paint, is applied to both sides of the steel coil using various methods such as roll coating, spray coating, or electrostatic coating. The coating material is carefully chosen to achieve the desired color, texture, and durability. After the coating is applied, the coil undergoes a curing process. During this process, the coil is heated to allow the coating material to dry and bond to the steel surface. This ensures a strong and long-lasting finish that can withstand exposure to different environmental conditions. Moreover, coil coating technology allows for additional treatments to enhance the aesthetics of the steel coil. For instance, the coil can undergo embossing, where a pattern is pressed onto the surface, creating a textured or three-dimensional appearance. Additionally, other decorative techniques like printing, laminating, or adding metallic effects can be used to achieve specific aesthetic effects. In conclusion, the coil coating process not only adds color and aesthetics to steel coils but also provides a protective layer that increases their lifespan and resistance to corrosion. This makes them suitable for a wide range of applications, including roofing, automotive parts, appliances, and construction materials.

Q: How are defects in steel coils detected and resolved?: Defects in steel coils are typically detected through visual inspections, as well as non-destructive testing techniques such as ultrasonic testing and magnetic particle inspection. Once identified, the defects can be resolved through various methods including grinding, welding, or cutting and replacing the affected area. The specific resolution method depends on the nature and severity of the defect.

Q: How are steel coils used in the production of electrical transmission towers?: Steel coils are used in the production of electrical transmission towers in various ways. Firstly, steel coils are often used to manufacture the structural components of the towers, such as the main support columns and crossarms. These components need to be strong and durable to withstand the weight and stress of the transmission lines, and steel coils provide the necessary strength and stability. Additionally, steel coils are also used to fabricate the brackets and braces that reinforce the transmission towers. These brackets and braces help to distribute the load evenly and provide additional support to the structure. Steel coils can be easily shaped and welded into the required forms, making them ideal for creating these intricate components. Moreover, steel coils are commonly used to create the foundation and anchor bolts that secure the transmission towers to the ground. These bolts need to be strong and resistant to corrosion, as they play a crucial role in maintaining the stability and integrity of the entire tower structure. Steel coils are often treated with galvanization or other protective coatings to enhance their durability and prevent rusting. Overall, steel coils are an essential material in the production of electrical transmission towers due to their strength, durability, and versatility. They enable the construction of sturdy tower structures that can support the weight of the transmission lines and withstand various environmental conditions.

Q: How are steel coils used in the manufacturing of automotive exhaust systems?: Steel coils are used in the manufacturing of automotive exhaust systems as the primary material for producing pipes and tubing. These coils are processed and formed into various shapes and sizes to create the necessary components, such as the main exhaust pipe and smaller sections for mufflers and catalytic converters. The steel's strength and durability make it an ideal choice for withstanding the high temperatures and corrosive nature of exhaust gases, ensuring the longevity and functionality of the system.

Q: I have an old classical guitar, which uses nylon strings. ive never really liked the sound produced by the nylon, so im curious if you can use a classical guitar with acoustic guitar steel strings. thanks!: NO ! NO! NO! Do not put steel strings on a classical guitar!! The increased tension can actually damage the guitar by causing the top to warp and can eventually pull the bridge right off of the guitar! I have seen it happen more than once! Ignore the other post, they are wrong! Classical guitars are designed to use nylon strings only!

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