Hot-Dip Galvanized Steel Sheet and Coil from China

Hot-Dip Galvanized Steel Sheet and Coil from China System 1

Hot-Dip Galvanized Steel Sheet and Coil from China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 watt

Supply Capability:: 15000 watt/month

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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

Hot-Dip Galvanized Steel Sheet and Coil from China

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:

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 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:Are steel coils used in construction?: Yes, steel coils are commonly used in construction. They are used for various applications such as structural framing, roofing, walls, and other components in buildings and infrastructure projects. Steel coils provide strength, durability, and flexibility, making them a popular choice in construction.

Q:How are steel coils inspected for surface finish after processing?: Steel coils are inspected for surface finish after processing through visual inspection techniques such as using specialized lighting and magnification tools to detect any imperfections, scratches, or blemishes on the coil's surface.

Q:How are steel coils used in the manufacturing of oil and gas equipment?: Steel coils are commonly used in the manufacturing of oil and gas equipment due to their durability and strength. They are typically formed into various shapes and sizes to create components such as pipes, tanks, valves, and fittings. These coils are processed and fabricated into these equipment to withstand the demanding conditions of the oil and gas industry, including high pressures, corrosive environments, and extreme temperatures.

Q:Please people suggest me how can I select external finishing for Steel Building as there is a wide range of choice available.: Hi okorder /

Q:How are steel coils inspected for bendability using bend testers?: Steel coils are inspected for bendability using bend testers, which are specialized machines designed to measure the flexibility and bend resistance of the coils. The process involves several steps to ensure accurate and reliable results. Firstly, the steel coil is prepared by securing it firmly in place, usually using clamps or other mechanisms to prevent movement during testing. This ensures that the coil remains stable and allows for consistent and repeatable measurements. Next, the bend tester is set up according to the specified testing parameters. These parameters typically include the desired bend angle, the speed at which the bend is applied, and the number of cycles to be performed. The bend tester is equipped with a bending mechanism that exerts a controlled force on the coil, simulating the bending conditions it may undergo during its application or use. Once the bend tester is set up, the bending process begins. The machine applies a gradually increasing force to the steel coil until it reaches the desired bend angle. This force is carefully measured and monitored throughout the process to ensure accuracy. During the bending process, the machine records and displays important data, such as the applied force, the angle of bend, and any indications of cracking or other defects. This data is crucial for evaluating the bendability of the steel coil and determining whether it meets the required standards. After the desired bend angle is reached, the coil is released from the bending mechanism, and any residual stresses are allowed to relax. This relaxation period is important to observe any potential spring-back effect, where the coil partially returns to its original shape after bending. The amount of spring-back is also measured and recorded for further analysis. Finally, the inspection results are analyzed to determine the overall bendability of the steel coil. If the coil meets the specified bendability criteria, it can be considered acceptable for its intended application. However, if any cracks, fractures, or excessive spring-back are detected, further investigation and analysis may be required to identify the cause and determine appropriate corrective actions. In conclusion, bend testers play a vital role in inspecting steel coils for bendability. Through a controlled and systematic process, these machines accurately measure the flexibility and resistance to bending, helping to ensure the quality and reliability of steel coils used in various industries.

Q:Measures to prevent cold rolling of packaged cold rolled steel coils? Who can give some professional opinions oh?: Cold rolled steel coils are generally sprayed antirust oil, according to user requirements, light, medium, heavy oil 3 types. Nevertheless, if the oil is volatile or in a humid environment, the steel plate comes into contact with the water for a period of time, indicating that it is beginning to rust.

Q:I want to make an object out of stainless steel. Initially, I had planned to get it cut out of stainless steel sheet but several of the edges need to be rounded and I think it would be much cheaper to get it made of cast iron formed in a mold.Yet, it must be stainless steel. Can stainless steel be formed in a mold like iron can ... i.e. poured in liquid form into a mold and harden into shiny stainless steel?Would a regular foundry do this or do I need something special?Thanks.: You have 2 options. Sand casting or investment casting. Stainless steel can be cast with either of these methods. In either case a model or pattern will have to be created. For sand casting the pattern is all that is needed to go to casting. For investment casting the pattern is used to make a wax casting, which is then coated with the investment. The wax is burned out and the metal is then poured into the cavity. If you are making just 1 or 2 pieces you can have waxes machined. This saves the intermediate step Depending on the size machining may still be your best option. Especially if you want just 1 part.

Q:What are the common methods of joining steel coils together?: The common methods of joining steel coils together include welding, mechanical fastening (such as using bolts or screws), and adhesive bonding.

Q:Is boron steel or carbon steel a harder metal? Which one is more flexible?: Boron is classified as a Metalloid element and is located in Groups 13, 14,15, 16 and 17 of the Periodic Table. An element classified as a Metalloid has properties of both metals and non-metals. Some are semi-conductors and can carry an electrical charge making them useful in calculators and computers.

Q:How is the thickness of a steel coil measured?: The thickness of a steel coil is typically measured using a gauge, which is a specialized tool specifically designed for measuring the thickness of materials. The gauge is pressed against the coil, and the reading on the gauge indicates the thickness of the steel.

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