• Hot Dip Galvanized Steel Coil in High Quality System 1
  • Hot Dip Galvanized Steel Coil in High Quality System 2
  • Hot Dip Galvanized Steel Coil in High Quality System 3
Hot Dip Galvanized Steel Coil in High Quality

Hot Dip Galvanized Steel Coil in High Quality

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
10000 m.t./month

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Hot-dip Galvanized Steel Building Roof Walls 
1.Structure of Hot-Dip Galvanized Steel Sheet or Coil:


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 Hot-Dip Galvanized Steel Sheet or Coil:

• Excellent process capability

• Smooth and flat surface

• Workability, durability 

• Excellent anticorrosive property

• High strength

• Good formability


3.Images of Hot-Dip Galvanized Steel Sheet:


Hot Dip Galvanized Steel Coil in High Quality


Hot Dip Galvanized Steel Coil in High Quality


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: 0.1mm~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:

ProcessabilityYield strengthElongation %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>=30d=0,intact,no zinc removal
EDDQ SC -270-380>=30d=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 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.

3. 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 do steel coils contribute to earthquake resistance in structures?
Steel coils contribute to earthquake resistance in structures by providing strength and flexibility. When incorporated into the structural design, steel coils can absorb and dissipate the energy generated during an earthquake, reducing the impact on the building. This helps prevent the structure from collapsing or suffering major damage. Additionally, steel coils enhance the overall stability and rigidity of the building, making it more resistant to seismic forces.
Q:Can steel coils be coated with anti-fingerprint materials?
Yes, steel coils can be coated with anti-fingerprint materials. These coatings are designed to reduce the visibility of fingerprints and smudges, making the steel coils more resistant to marks and easier to clean.
Q:What are the different types of steel coil surface treatments for durability?
There are several different types of steel coil surface treatments that can enhance the durability of the material. 1. Hot-dip galvanizing: This process involves immersing the steel coil in a bath of molten zinc, creating a protective zinc coating on the surface. Hot-dip galvanizing provides excellent corrosion resistance and can extend the lifespan of the steel coil. 2. Electro-galvanizing: In this method, a thin layer of zinc is electrodeposited onto the surface of the steel coil. Electro-galvanizing offers good corrosion resistance and is commonly used for indoor applications or where a thinner coating is desired. 3. Powder coating: Powder coating involves applying a dry powder paint to the surface of the steel coil and then curing it under heat. This creates a durable, uniform, and attractive finish that is resistant to chipping, scratching, and fading. 4. Organic coatings: Organic coatings, such as acrylics, polyesters, or fluoropolymers, are often applied to steel coils to provide protection against corrosion, UV rays, and other environmental factors. These coatings can enhance the durability and aesthetics of the steel coil. 5. Chromate conversion coating: This treatment involves applying a thin layer of chromate onto the surface of the steel coil. Chromate conversion coatings provide corrosion resistance and can improve the adhesion of subsequent paint or powder coating layers. Each of these surface treatments offers unique benefits in terms of corrosion resistance, durability, and appearance. The choice of treatment depends on the specific application requirements and the level of protection needed for the steel coil.
Q:On how to reinforce steel coils in a container
They can be strapped to the floor with wire ropes and locks
Q:How do steel coil manufacturers handle custom orders?
Steel coil manufacturers handle custom orders by first understanding the specific requirements and preferences of the customer. They then work closely with the customer to determine the desired specifications, including dimensions, thickness, width, coating, and any other specific requirements. The manufacturer uses their expertise and production capabilities to customize the steel coils accordingly. This may involve adjusting the production process, modifying machinery settings, or using different materials. Effective communication and collaboration between the manufacturer and the customer play a crucial role in ensuring the successful fulfillment of custom orders.
Q:Can steel coils be customized in terms of size and thickness?
Yes, steel coils can be customized in terms of size and thickness. Manufacturers have the capability to produce steel coils in various sizes and thicknesses to meet the specific requirements of different industries and applications.
Q:Can steel coils be used in the food processing industry?
No, steel coils are not typically used in the food processing industry due to the risk of contamination and potential health hazards. Food-grade materials such as stainless steel are preferred for their hygienic properties and ability to withstand high sanitary standards.
Q:I want to start getting throwing knives and i was wondering what material is best for quality, but still cheap. I also saw some 440 stainless steel knives that i liked and wanted to know if the material was good
For throwing knives, 440 isn’t necessarily a bad choice. Does it list whether it is 440c or 440b? That matters somewhat. The advantages of 440 Stainless is that it’s relatively hard (for a stainless), it resists rust significantly, and it’s not so hard that it would shatter or break. On the down side 440 is notorious for not taking or holding an edge, but for a throwing knife, that’s probably not much of an issue. If you’re looking for something to train with, you’re fine here. It’s plenty of steel enough to stick in wood or other targets. Odds are it won't bend if you slam it into some wood. If it lands on concrete, eh, it's going to scratch and all that jazz, and it might hurt the tip if it hits first, but as has been said, you can use a file or grinder to get the tip back.
Q:What are the factors to consider when selecting a supplier for steel coils?
When selecting a supplier for steel coils, there are a few key factors to consider. Firstly, the quality of the steel coils is crucial. It is important to assess the supplier's reputation, certifications, and track record for delivering high-quality products. Secondly, pricing and cost-effectiveness play a significant role. Comparing prices and negotiating favorable terms with different suppliers is essential to ensure competitive pricing. Additionally, the supplier's reliability and ability to meet delivery schedules must be thoroughly evaluated. Timely delivery is vital to avoid disruptions in production. Lastly, considering the supplier's location, proximity to the manufacturing facility, and their overall customer service and support are also important factors to take into account.
Q:what is the chemical process that makes steel harder when it is heated and cooled rapidly?what does the heating of it do to the atoms?what does the cooling of it do to the atoms?what makes tempered steel so strong compared to untempered steel?
You can't temper all steels. Generally the material must be a high-carbon or tool steel. Different alloys temper differently, and tempering is usually done to get a specific set of characteristics, so you must know what you are working with and use the right methods and temperature. If you do it wrong, the material may be hard but too brittle for the purpose or have other issues. It can be simple, such as heating to a dull red, carbonizing the surface (use an acetylene rich flame until it blackens the surface) and oil quenching. Do that to a piece of tool steel (like a screwdriver) and it will case (surface) harden it to the point you can't scratch it with a file. Tempering changes the way the molecular structure in the metal is linked and oriented.

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