Hot-dip Zinc Coating Steel Building Roof Sheets Prime Quality

Hot-dip Zinc Coating Steel Building Roof Sheets Prime Quality System 1

Hot-dip Zinc Coating Steel Building Roof Sheets Prime Quality

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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 Sheets Prime 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: 0.1mm~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: Can steel sheets be used for elevator flooring or platforms?: Yes, steel sheets can be used for elevator flooring or platforms. Steel is a durable and strong material that can withstand heavy loads, making it suitable for elevator flooring. Additionally, steel sheets can be customized to meet specific design and safety requirements for elevator platforms.

Q: What is the average thermal expansion coefficient of steel sheets?: The specific type of steel and its composition determine the average thermal expansion coefficient of steel sheets. Nonetheless, a widely accepted approximation for the thermal expansion coefficient of steel sheets is approximately 12 x 10^-6 per degree Celsius (12 parts per million per degree Celsius). It is pertinent to mention that this approximation may slightly deviate depending on the grade and composition of the steel utilized.

Q: How are steel sheets used in construction?: Steel sheets are commonly used in construction for various purposes such as roofing, wall cladding, and structural support. They provide strength, durability, and resistance to harsh weather conditions. Steel sheets can be formed into different shapes and sizes, making them versatile for a wide range of construction applications.

Q: Can steel sheets be used for food processing applications?: Yes, steel sheets can be used for food processing applications. Stainless steel sheets are commonly used in the food industry due to their corrosion resistance, durability, and ease of cleaning. They are suitable for various food processing equipment, such as conveyor belts, countertops, food storage containers, and cooking surfaces.

Q: How are steel sheets protected during shipping?: Steel sheets are protected during shipping through various measures to prevent damage and ensure their safe delivery. One common method of protection is the use of packaging materials such as cardboard or wooden crates. These crates are specifically designed to hold the steel sheets securely in place, minimizing the risk of movement and potential damage during transportation. In addition to packaging, steel sheets may also be covered with a protective coating or wrap to safeguard them from moisture, dust, and other environmental factors. This coating could be a thin layer of oil, wax, or a specialized rust inhibitor that acts as a barrier against corrosion. To further enhance protection, steel sheets may be stacked and secured using strapping or banding materials, ensuring that they remain in place and do not shift during transit. This prevents any potential impact or friction from causing damage to the sheets. Moreover, shipping companies often employ special handling procedures to minimize the risk of damage. This includes using equipment like forklifts or cranes to load and unload the steel sheets carefully, avoiding any rough handling or accidental drops that could lead to denting or bending. Overall, the combination of appropriate packaging, protective coatings, secure strapping, and careful handling ensures that steel sheets are adequately protected during shipping, minimizing the possibility of any damage occurring and ensuring they arrive in optimal condition to their destination.

Q: Are the steel sheets suitable for agricultural applications?: Yes, steel sheets are suitable for agricultural applications. Steel is a versatile and durable material that can withstand harsh weather conditions and provide long-term structural support. Steel sheets can be used in various agricultural applications such as constructing farm buildings, barns, sheds, and storage facilities. They can also be used for fencing, roofing, and siding purposes. Steel sheets offer excellent strength and resistance to pests, fire, and rot, making them ideal for protecting agricultural equipment and crops. Additionally, steel is recyclable, which makes it an environmentally-friendly choice for sustainable farming practices. Overall, steel sheets are a reliable and cost-effective solution for various agricultural applications.

Q: Can steel sheets be used for water treatment facilities?: Yes, steel sheets can be used for water treatment facilities. Steel is a commonly used material in the construction of water treatment facilities due to its durability, strength, and resistance to corrosion. It is often employed in the fabrication of tanks, pipelines, and other infrastructure components used in water treatment processes.

Q: Are steel sheets suitable for interior wall cladding?: Yes, steel sheets are suitable for interior wall cladding. They offer durability, strength, and a modern aesthetic, making them a popular choice for commercial and residential interiors.

Q: What is the difference between a HRPO and HRSPO steel sheet?: The main difference between a HRPO (Hot Rolled Pickled and Oiled) and HRSPO (Hot Rolled Skin Pass) steel sheet lies in the manufacturing process and the resulting properties of the two types of sheets. HRPO steel sheets are produced by hot rolling a steel slab and then subjecting it to a pickling process where the surface scale is removed using an acid bath. After pickling, the steel sheet is then oiled to provide a protective coating. The pickling process imparts a clean, smooth surface to the sheet, while the oiling helps prevent corrosion and improve formability. HRPO sheets are typically used in applications that require good surface finish and paintability. On the other hand, HRSPO steel sheets undergo an additional skin pass rolling process after pickling and oiling. This process involves passing the sheet through a set of rolls to further improve its surface quality, resulting in a smoother and more uniform surface finish compared to HRPO sheets. The skin pass process also imparts better flatness and dimensional accuracy to the sheet. HRSPO sheets are commonly used in applications that demand higher surface quality, such as automotive panels, appliances, and electrical enclosures. In summary, while both HRPO and HRSPO steel sheets are pickled and oiled, the additional skin pass rolling step in the manufacturing process of HRSPO sheets enhances their surface quality, flatness, and dimensional accuracy, making them suitable for more demanding applications.

Q: Are steel sheets susceptible to rusting?: Steel sheets can indeed be prone to rusting. The composition of steel mainly consists of iron, a metal that has a natural tendency to react with oxygen when in contact with moisture, resulting in the formation of iron oxide, commonly referred to as rust. Consequently, when steel sheets come into contact with water or moisture, rusting can occur gradually. Nevertheless, there exist techniques to hinder or decelerate the rusting process, including the application of protective coatings or the utilization of stainless steel. The latter contains elements like chromium that offer supplementary protection against corrosion.

Send your message to us

*Email

*TEL

*Quantity

*Unit