Hot-Dip Galvanized Steel Sheets in Coils EN

Hot-Dip Galvanized Steel Sheets in Coils EN System 1

Hot-Dip Galvanized Steel Sheets in Coils EN

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 50000 m.t./month

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1.Structure of Hot-Dip Galvanized Steel Sheet in Coils EN 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 in Coils EN：

• 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 in Coils EN Images

Hot-Dip Galvanized Steel Sheets in Coils EN

4.Hot-Dip Galvanized Steel Sheet in Coils EN Specification

Standard: EN

Grade: DX51D+Z,S220GD+Z~S550GD+Z

Thickness: 0.12mm~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 in Coils EN

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

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

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:What are the safety precautions when handling steel coils?: When handling steel coils, it is important to follow several safety precautions. First and foremost, workers should wear appropriate personal protective equipment (PPE) such as safety gloves, safety glasses, and steel-toed boots to protect themselves from potential injuries. Secondly, it is crucial to ensure that the area is clear of any obstructions or tripping hazards to prevent accidents. Additionally, workers should receive proper training on safe lifting techniques and use of lifting equipment to avoid strain or back injuries. It is also recommended to inspect the coils for any sharp edges or protruding objects before handling them. Lastly, communication and teamwork are essential to ensure the safe handling and maneuvering of steel coils, especially when using heavy machinery or cranes.

Q:What are the common coil defects and their causes?: Some common coil defects include edge wave, center buckle, oil canning, and coil breaks. These defects can occur due to various causes such as improper tension during the coiling process, uneven cooling, material defects, or inadequate lubrication.

Q:What are the different coil winding methods used for steel coils?: There are several different coil winding methods used for steel coils, each with its own advantages and applications. 1. Layer winding: This is the most common method used for steel coils. It involves winding the steel strip or sheet in concentric layers, one on top of the other, to form a coil. This method is ideal for thin, narrow strips and provides good stability and strength to the coil. 2. Cross winding: In this method, the steel strip is wound in a crisscross pattern, alternating the direction of each layer. This helps to distribute the stress evenly across the coil and prevents the coil from becoming unstable. Cross winding is commonly used for thicker or wider steel strips. 3. Spiral winding: This method involves winding the steel strip in a spiral pattern, forming a coil with a gradual increase in diameter. Spiral winding is often used for large or heavy steel coils, as it allows for easy handling and transportation. It also provides good stability and prevents the coil from collapsing. 4. Toroidal winding: This method is used for producing toroidal or donut-shaped coils. The steel strip is wound in a circular path, with each layer placed inside the previous one. Toroidal winding is commonly used in applications such as transformers, where the coil needs to have a specific shape and size. 5. Interleaved winding: This method involves interleaving two or more steel strips together during the winding process. Interleaved winding is used to produce composite coils with different materials or thicknesses. It provides enhanced strength, stability, and allows for customized designs. Each of these coil winding methods has its own advantages and is used based on the specific requirements of the steel coil application. The choice of method depends on factors such as strip thickness, width, tensile strength, and desired coil properties.

Q:How are steel coils inspected for uniformity using statistical analysis?: Steel coils can be inspected for uniformity using statistical analysis through various techniques and procedures. The primary objective is to ensure that the steel coils meet the required specifications and have consistent quality throughout the entire coil. One common method of inspection is to collect a representative sample of steel coils from a batch or production run. These coils are randomly selected to ensure a fair representation of the entire batch. Statistical analysis is then performed on this sample to determine the uniformity of the coils. The first step is to measure various physical properties of the coils, such as thickness, width, weight, and surface defects. These measurements are recorded for each coil in the sample. The collected data is then analyzed using statistical techniques, such as mean, standard deviation, and range calculations. By calculating the mean values of the measured properties, it is possible to determine the average values for thickness, width, weight, etc. These mean values can be compared to the desired specifications to identify any deviations or inconsistencies. The standard deviation provides a measure of the variability or dispersion of the data, indicating how closely the coils conform to the desired specifications. A smaller standard deviation indicates greater uniformity. Additionally, range calculations can be performed to determine the difference between the maximum and minimum values of the measured properties within the sample. A smaller range suggests a higher level of uniformity. Statistical analysis can also involve the use of control charts, such as X-bar and R-charts, to visually monitor the variation in the measured properties over time. These charts provide a graphical representation of the data, allowing for the identification of any trends or out-of-control conditions. Overall, statistical analysis allows for a systematic evaluation of the uniformity of steel coils by providing objective measurements and statistical indicators. By analyzing the collected data, manufacturers can identify any deviations from the desired specifications and take appropriate corrective actions to ensure consistent quality throughout the production process.

Q:What are the common applications of cold-rolled steel coils?: Cold-rolled steel coils are commonly used in various applications such as automotive components, appliances, construction materials, and general manufacturing.

Q:Can steel coils be stored vertically?: Yes, steel coils can be stored vertically.

Q:How are steel coils inspected for color consistency?: Steel coils are inspected for color consistency through visual inspection by trained personnel. They compare the color of the coils against a color standard to ensure uniformity and consistency across the entire batch.

Q:The strip tower height: Causes: the strip has a larger snake shape; the take-up device holds the tension; the setting is unreasonable; the strip goes into the coiler; the centering is not good; the coil tension is not set properly.

Q:I'm currently in an Estimating and Bidding class. I have to estimate two divisions for a multi-million dollar project. The project that I chose is around 6 million dollars and involves constructing a new gas/lighting building. I chose to estimate steel, and my question is, around how much out of the 6 million goes toward just the steel estimate? If it helps, this building is has two floors and is roughly about 100x70 feet. The building not wood construction, but rather steel and brick. How much of that 6 million would go into the steel? I'm not looking for anything exact, just roughly.: That is a little tough to answer given the details. I will try to answer it as best I can. You can send me a message if you need further help and I can get some more details from you. If it is a 6 million dollar project, that is about $428/sf - (6 million divided by 14,000 sf). $428 is a little bit higher end then say, just a Walmart which is a block and steel box. Assuming you have a concrete slab on the first floor, metal deck on the second floor, with steel beams and open web joists framing, steel columns and steel roof framing with a metal deck roof.... you could be approx 10-15% of the total 6 million. Now, this would include the structural steel, not light gauge steel framing for walls. It sounds like you are looking for structural steel, not metal stud framing. Hopefully this helps, I can check back to this thread later to see if you've had to add any more details.

Q:steel can be used to do?: Stainless steel can be used to (1) industrial use stainless steel (2) building decoration use stainless steel;(3) medical equipment (4) life with stainless steel tableware and the Jawaysteel is a great Chinese company, offer various kinds of stainless steel Maybe you can to their advice

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