Hot-dip Zinc Coating Steel Building Roof Walls - Chinese Best

Hot-dip Zinc Coating Steel Building Roof Walls - Chinese Best System 1

Hot-dip Zinc Coating Steel Building Roof Walls - Chinese Best System 2

Hot-dip Zinc Coating Steel Building Roof Walls - Chinese Best

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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 - Chinese Best

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

Hot-dip Zinc Coating Steel Building Roof Walls - Chinese Best

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 do the sandpaper grits compare with different coarse levels of steel wool? For example, I'm finishing a homemade entertainment center, and using a tinted polyurethane, and it says to use 000 grade steel wool, but mine is #3, could I use some sanpaper instead, and what grit?: Steel wool and wax is for the final buff after the finish coat. Sanding will scratch the finish and should only be done before the finish coat. Steel wool and wax have been used as the final finish to remove rough areas and buff the finish for a long time.

Q:How are steel coils used in the production of agricultural fencing?: Steel coils are used in the production of agricultural fencing as they are transformed into wires that are woven, welded, or twisted to create durable and sturdy fences. These steel coils are typically made from high-quality steel, which ensures strength and longevity, making them ideal for withstanding the demands of agricultural environments.

Q:How are steel coils used in the production of oil and gas machinery?: Steel coils are used in the production of oil and gas machinery as they provide essential structural support and reinforcement. These coils are typically formed into various components such as pipes, tubes, and casings, which are crucial for drilling, extraction, and transportation processes in the oil and gas industry. The strength and durability of steel coils ensure the reliability and longevity of the machinery, allowing for efficient and safe operations in the oil and gas sector.

Q:Question about steel type used in bridges.?: Do you mean galvanized steel?

Q:Is steel easier to weld?Which is more brittle/less flexible?: Note: the easiest way to join steel to aluminum is to drill holes and BOLT them together...... You cannot WELD steel to aluminum.(except using extreme methods like explosion welding......) For all intents and purposes they are dissimilar metals, meaning they will not bond to each other. Also, aluminum has a much lower melting point than steel. It is possible to join steel and aluminum by *Soldering,* using tin/zinc hard solder. This requires a special flux designed exclusively for soldering aluminum though. The heating process is also a bit delicate as you must avoid overheating the joint. I work as a welder and I've only soldered Al three or four times. Steel is easiest to weld by far. If you set the equipment correctly, a six year-old kid can make a good weld on steel. Aluminum requires special equipment and procedures to weld. It's not easy. The brittleness of aluminum depends on it's alloy content. Most of the aluminum that's used today is not pure, rather it's in the form of aluminum ALLOYS which contain either zinc, magnesium, silicon, or manganese. these elements increase the strength dramatically, but also make it much less ductile. Commercially pure (CP) aluminum is very ductile, but it's also rather weak. Pure aluminum is used to make aluminum foil, as it's so soft and ductile it can easily be rolled paper-thin. The best aluminum alloys can come near in strength to mild steel, but weigh less than half as much as steel. Note that steel itself is an alloy of iron and carbon, Carbon increases the strength of iron in the same way that zinc or magnesium increase aluminum's strength. Most of the commonly used aluminum alloys are somewhat more brittle than mild steel, but not greatly so.

Q:How are steel coils processed for cold rolling or hot rolling?: Steel coils are processed for cold rolling or hot rolling through a series of steps. For cold rolling, the steel coils are first cleaned and pickled to remove any impurities. They are then passed through a series of rolling mills, where the steel is gradually reduced in thickness and elongated. This process improves the steel's strength and surface finish. In contrast, for hot rolling, the steel coils are heated to high temperatures and then passed through a series of rolling mills. The hot rolling process allows for greater deformability and shaping of the steel, resulting in different thicknesses and shapes.

Q:What is the role of steel coils in the oil and gas industry?: Steel coils play a vital role in the oil and gas industry as they are used for various purposes such as storing, transporting, and processing oil and gas. These coils are designed to withstand high pressure and extreme temperatures, making them ideal for applications like oil storage tanks, pipelines, and refineries. Additionally, steel coils are used in the construction of drilling rigs, platforms, and other infrastructure required for oil and gas exploration and production. Overall, steel coils are essential components in the industry, ensuring the safe and efficient extraction, transportation, and processing of oil and gas resources.

Q:How are steel coils shaped into specific forms?: Steel coils are shaped into specific forms through a process known as roll forming. This involves passing the coil through a series of rollers that gradually bend and shape the steel into the desired form.

Q:How are steel coils used in the manufacturing of construction excavators?: Steel coils are used in the manufacturing of construction excavators as they are often the primary material for constructing the structural components of the excavator. These coils are typically processed and shaped into various parts, such as the chassis, boom, arm, and bucket, providing the necessary strength and durability required for heavy-duty construction work.

Q:What are the different methods of edge trimming for steel coils?: There are several different methods of edge trimming for steel coils, including slitting, shearing, and laser cutting. Slitting involves cutting the coil into narrower strips using circular blades. Shearing involves cutting the edges of the coil using a straight blade. Laser cutting uses a high-powered laser to precisely trim the edges of the coil.

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