Hot-dip Zinc Coating Steel Building Roof Walls with Best Quality

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

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

Hot-dip Zinc Coating Steel Building Roof Walls with Best Quality

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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 with Best Quality
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 with Best 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: 0.18mm~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: What are the different types of corrosion protection methods used for steel coils?: There are several types of corrosion protection methods used for steel coils, including galvanization, painting, powder coating, and chemical treatments. Galvanization involves applying a layer of zinc to the steel surface to provide a barrier against corrosion. Painting and powder coating involve applying a protective layer of paint or powder to the steel, which acts as a barrier against moisture and other corrosive elements. Chemical treatments, such as phosphating or chromating, create a protective layer on the steel surface, preventing corrosion. These methods are used to ensure the longevity and durability of steel coils when exposed to harsh environmental conditions.

Q: How are steel coils used in the production of bridges and infrastructure?: Steel coils are used in the production of bridges and infrastructure as they are rolled into different shapes and sizes to form the structural components. These coils are then used to create beams, girders, and columns, providing strength and support to the structures. The flexibility and durability of steel allow for the construction of bridges and infrastructure that can withstand heavy loads, extreme weather conditions, and long-term use.

Q: and which one is better?i'm looking into buying some aftermarket headers, but companies make them in both chrome and stainless steel: For headers go with stainless steel. Chrome holds heat in, and after a while it will discolor due to the high heat of the heads.

Q: What are the different types of steel alloys used in coils?: There are various types of steel alloys used in coils, including carbon steel, stainless steel, galvanized steel, and electrical steel.

Q: How are steel coils protected from chemical damage?: Steel coils are typically protected from chemical damage through various methods such as applying protective coatings or using barrier films. These protective measures act as a barrier between the steel surface and any potentially corrosive chemicals, preventing direct contact and minimizing the risk of chemical damage.

Q: What are the different methods of cutting edge trimming for steel coils?: There are several different methods of cutting edge trimming for steel coils, each with its own advantages and applications. Some of the most commonly used methods include: 1. Shearing: Shearing is a widely used method that involves cutting the edge of the steel coil using a pair of sharp blades. This method is relatively quick and efficient, making it suitable for high-volume production. However, shearing may result in some distortion or burrs along the cut edge. 2. Slitting: Slitting is a process where the steel coil is passed through a set of rotating circular blades that cut the coil into narrower strips. This method is commonly used when precise width control is required, such as in the production of narrow strips or slitting coils into multiple widths. 3. Laser cutting: Laser cutting is a highly precise method that uses a laser beam to cut through the steel coil. This method offers the advantage of producing clean and precise cuts without any distortion or burrs. Laser cutting is often used for complex or intricate shapes that require high accuracy. 4. Plasma cutting: Plasma cutting involves using a jet of ionized gas to cut through the steel coil. This method is particularly suitable for cutting thicker materials or for applications where high cutting speeds are required. Plasma cutting can produce clean and smooth cuts, although the edge may have a slight bevel. 5. Waterjet cutting: Waterjet cutting utilizes a high-pressure jet of water mixed with an abrasive material to cut through the steel coil. This method is highly versatile and can cut through a wide range of materials and thicknesses. Waterjet cutting is known for its ability to produce precise cuts without any heat-affected zone. 6. Sawing: Sawing is a traditional method that involves using a rotating saw blade to cut through the steel coil. This method is commonly used for thicker materials or when a rougher cut is acceptable. Sawing can be performed manually or using automated sawing machines. Each of these methods has its own advantages and considerations, and the choice of method depends on factors such as the required accuracy, production volume, material thickness, and desired edge quality.

Q: Can anyone tell me what that means. I have seen it on knife blades an such. I am assuming it's a formula for the strength of the metal. who does that scale work, and please keep it simple.: 440 is an AISI (American Iron and Steel Institute) material specification. It specifies the precise quantities of carbon and other elements present in the alloy. Here are the constituents of AISI 440 steel: Carbon - 0.6 to 0.75% Chromium - 16 to 18% Manganese - less than 1% Molybdenum - less than 0.75% Phosphorus - less than 0.04% Silicon - less than 1% Sulfur - less than 0.03% Iron makes up the remainder. AISI 440 is a heat-treatable, precipitation-hardening stainless steel.

Q: Bronze came before steel, right? thanks: i dunno

Q: How are steel coils processed for slitting or edge conditioning?: Steel coils are processed for slitting or edge conditioning through a series of steps. First, the coils are uncoiled and fed into a slitting machine, where circular blades cut the coil into narrower strips. These strips are then rewound into smaller coils, ready for further processing. For edge conditioning, the strips are passed through a machine that trims and smoothens the edges, ensuring they are free from any sharp or rough edges. This process enhances the safety and usability of the steel strips for various applications.

Q: What are the common applications of hot-rolled steel coils?: Hot-rolled steel coils are commonly used in various applications such as construction, automotive manufacturing, pipe and tube manufacturing, shipbuilding, and general engineering purposes. They are particularly suitable for projects that require strong and durable materials, as well as those that involve shaping and forming processes.

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