The Cheap Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302

The Cheap Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302 System 1

The Cheap Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302

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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
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

The Cheap Hot-dip Zinc Coating Steel Building Roof Walls JIS G3302

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 are steel coils inspected for chemical composition using spectroscopy?: Steel coils are inspected for chemical composition using spectroscopy by using a technique called laser-induced breakdown spectroscopy (LIBS). In LIBS, a high-energy laser beam is directed onto the surface of the steel coil, causing a small portion of the material to vaporize and form a plasma. The plasma emits characteristic light that is unique to the elements present in the steel. This emitted light is then analyzed by a spectrometer, which separates the light into its individual wavelengths and measures their intensities. By comparing the intensities of the emitted light to known reference spectra, the chemical composition of the steel coil can be determined accurately and efficiently.

Q:What are the common applications of pre-painted steel coils?: Pre-painted steel coils are commonly used in various industries for applications such as roofing, siding, wall cladding, and appliances. They provide a durable and aesthetically pleasing finish, making them ideal for both residential and commercial construction projects. Additionally, pre-painted steel coils are also utilized in automotive manufacturing, electrical enclosures, and industrial equipment due to their corrosion resistance and versatility.

Q:What is the standard diameter of steel coils?: The standard diameter of steel coils can vary depending on the industry and specific application, but it is typically between 24 to 72 inches.

Q:What are the different methods of coil cutting for steel coils?: Coil cutting for steel coils encompasses several methods, each boasting unique advantages and application suitability. The following are some commonly used techniques: 1. Slitting: The most frequently employed coil cutting method involves passing the steel coil through rotating circular blades, resulting in narrower strips. Slitting is ideal for precise dimensions and the production of narrow-width strips. 2. Shearing: Another method, particularly suitable for thicker gauge coils, utilizes a straight blade to cut the coil straight. Shearing is optimal for generating larger width strips and is commonly used with heavier gauge steel coils. 3. Laser Cutting: By employing a high-powered laser beam, laser cutting achieves precise cuts through the steel coil. This technique is renowned for its accuracy and ability to cut intricate shapes and patterns. Laser cutting is often employed for specialized applications where fine details and accuracy are critical. 4. Waterjet Cutting: This versatile method employs a high-pressure jet of water mixed with abrasive particles to cut through the steel coil. It can be used to cut various materials, including steel, and produces clean and precise cuts without heat-affected zones. 5. Plasma Cutting: Plasma cutting employs a high-temperature plasma arc to melt through the steel coil. This efficient technique is well-suited for cutting thick gauges of steel and offers high cutting speeds, making it ideal for industrial applications. 6. Guillotine Cutting: Guillotine cutting utilizes a guillotine-like mechanism to cut through the steel coil. The coil is placed on a table, and a vertically descending blade achieves straight and accurate cuts with minimal burrs. The selection of the coil cutting method depends on factors such as desired strip width and thickness, required precision, production volume, and specific application. To determine the most suitable method for a particular steel coil, it is crucial to consider these factors and consult experts.

Q:What are the common uses of cold rolled steel coils?: Cold rolled steel coils are commonly used in a variety of industries and applications. They are frequently utilized in the automotive industry for manufacturing parts such as automobile bodies, frames, and components. Cold rolled steel coils are also widely employed in construction for producing structural components, roofing, and siding. Additionally, they are used in the manufacturing of appliances, furniture, and various electrical products. The smooth and consistent surface of cold rolled steel coils makes them ideal for applications that require a high-quality finish, such as in the production of kitchen utensils and decorative items.

Q:a steel abr sells for about 879 now...a mith just over 1kany suggestions on which-keyword WHICH steel item to make-which is the best-exp wise, and steel bar conservative wise.: Mining okorder /

Q:How are steel coils used in the manufacturing of metal containers?: Steel coils are used in the manufacturing of metal containers as they are processed into flat sheets or strips, which are then cut, formed, and welded to create the desired shape and size of the container. The coils provide a strong and durable material that can withstand the pressure and weight of the contents inside the container, ensuring its structural integrity and longevity.

Q:What is stainless steel coil used for?: Stainless steel coil is commonly used in various industries for manufacturing a wide range of products such as appliances, automotive parts, cookware, construction materials, and even surgical instruments. Its corrosion-resistant properties and durability make it an ideal material for these applications.

Q:I would like to buy a new cold steel recon 1 folding knife. My concern is the knife is made in Taiwan, will the quality of blade/overall make is lower quality compare with those made in US/JAPAN? The plan is use as an EDC, any good suggestion with similar style? Most important to me is reliability, 2)sharpness, 3) maintance than 4)cost. Anyone can point me into right direction? Please share, Thanks in advance.: I think that 440 stainless steel is pretty good. I like Gerber,Kershaw knives in 440 stainless steel. D2 steel is also as good or better than 440. I am not sure of Taiwan/China steel.

Q:I have taylormade burner steel irons and I was wondering what would the flex of steel be if you were to compare it to graphite shafts, like regular, stiff, super stiff, etc...THANKS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!: If i understand you correctly, i think you misunderstand shafts. Steel shafts vs. graphite shafts these days is more of a competition of weights, not flexibility. Both steel and Graphite have different flex profiles available from Ladies (L) to super stiff (X). Graphite may feel a little more whippy than steel because of the lighter weight. Shafts will vary by company as well. Stiff from True temper may not be as stiff as one from Aldila, or vice verse. You can also make a shaft play stiffer or more flexible by where you cut the length. This is called tipping. Take more from the bottom and it will be stiffer, more from the grip end and it will play more flexible.

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