GI Hot Dipped Galvanized Steel Sheet In Coils

GI Hot Dipped Galvanized Steel Sheet In Coils

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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GI Hot Dipped Galvanized Steel Sheet In Coils

1.Structure of GI Hot Dipped Galvanized Steel Sheet In Coils

GI Hot Dipped Galvanized Steel Sheet In Coils is one kinds of building material on construction.Steel sheet in melting zinc trough, the sticking of a layer of zinc sheet. At present mainly adopts continuous galvanizing process, namely the continuous roll of steel plate in the melt zinc plating tank made of galvanized steel sheet; Alloying of galvanized steel. This kind of steel plate is made by hot dip method, but after the slot, immediately heated to a temperature of about 500 ℃, it make the generation of zinc and iron alloy membrane. This kind of galvanized volumes with good coating of the sex and weldability.

2.Main Features of GI Hot Dipped Galvanized Steel Sheet In Coils.

1) Rust-proof

2) Water-proof

3)Durable using

3. GI Hot Dipped Galvanized Steel Sheet In Coils Images

GI Hot Dipped Galvanized Steel Sheet In Coils

4. GI Hot Dipped Galvanized Steel Sheet In Coils Specification

1)Based raw material: Hot rolled steel coils or Cold rolled steel coils
2) Thickness
3) Width
4)Coating mass
5) Spangle
6)Surface treatment
7)Coil inner diameter

8)Painting kind

9)Painting color

10)Painting thickness

5.FAQ of GI Hot Dipped Galvanized Steel Sheet In Coils

We have organized several common questions for our clients，may help you sincerely：

①How 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.

②How 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.

③How is the properties of the products?

The material and mechanical properties

Material	Tensile test
	Rel (MPa)	Rm (MPa)	Elongation
	Rel (MPa)	Rm (MPa)	1.8~<2.0< span="">	2.0~<2.5< span="">	2.5~<3.2< span="">	3.2~<4.0< span="">	≥4.0
SPHC		≥270	≥29	≥30	≥31	≥32	≥32
SPHD		≥270	≥32	≥33	≥35	≥37	≥39
SPHE		≥270	≥33	≥35	≥37	≥39	≥41
SS330	≥205	330~430	≥26
SS400	≥245	400~510	≥24
SAPH370	≥370	≥255	≥32

Q: How are steel strips coated with zinc?: Steel strips are coated with zinc through a process called galvanization. There are two main methods used for this purpose: hot-dip galvanization and electro-galvanization. Hot-dip galvanization involves immersing the steel strips into a bath of molten zinc at a temperature of around 450 degrees Celsius (842 degrees Fahrenheit). The steel strips are carefully cleaned to remove any impurities and then passed through a series of pre-treatment stages, including acid pickling and fluxing, to enhance the adhesion of the zinc coating. Once the steel strips are properly prepared, they are dipped into the molten zinc bath, where the zinc reacts with the steel surface to form a protective layer. The zinc coating adheres tightly to the steel and provides excellent corrosion resistance. Electro-galvanization, on the other hand, is a process that involves the application of a thin layer of zinc onto the steel strips through an electroplating method. The steel strips are first cleaned and then immersed in an electrolyte solution containing zinc ions. A direct electric current is passed through the solution, causing the zinc ions to be attracted and deposited onto the steel surface. This process allows for a more controlled and precise coating thickness, making it suitable for applications where a thinner coating is desired. Both hot-dip galvanization and electro-galvanization offer effective ways to coat steel strips with zinc, providing them with a protective layer that significantly enhances their durability and resistance to corrosion. The method chosen depends on factors such as the desired coating thickness, application requirements, and cost considerations.

Q: Can steel strips be used in the production of aerospace structures?: Yes, steel strips can be used in the production of aerospace structures. Steel strips offer high strength, durability, and resistance to corrosion, making them suitable for various applications in aerospace engineering, such as structural supports, reinforcement, and fastening components. However, the specific use of steel strips in aerospace structures depends on the design requirements, weight limitations, and other factors, as different materials may be preferred for certain applications to meet specific performance criteria.

Q: Are steel strips suitable for high-temperature applications?: Yes, steel strips are suitable for high-temperature applications. They have excellent heat resistance and can withstand extreme temperatures without losing their structural integrity. Additionally, steel strips have good thermal conductivity, making them an ideal choice for various high-temperature industries such as automotive, aerospace, and power generation.

Q: Can steel strips be used in medical equipment?: Yes, steel strips can be used in medical equipment. Steel strips are commonly used in the medical industry for various applications such as surgical instruments, medical devices, and equipment components. The use of steel strips ensures durability, strength, and resistance to corrosion, making them suitable for medical equipment that requires high quality and reliability.

Q: Can steel strips be used for making springs in mechanical watches?: Yes, steel strips can be used for making springs in mechanical watches. Steel strips are commonly used due to their excellent elasticity and durability, which are crucial qualities for springs in watch mechanisms.

Q: What are the different methods for embossing steel strips?: There are several methods for embossing steel strips, including roller embossing, stamping, and laser engraving. Roller embossing involves passing the steel strip between two roller dies with the desired pattern, imprinting the design onto the surface. Stamping uses a press machine to apply pressure and force a die onto the steel strip, creating the embossed pattern. Laser engraving utilizes a laser beam to remove material from the steel strip, leaving behind the embossed design. These methods offer various options for achieving different embossed patterns and textures on steel strips.

Q: Can steel strips be used in the manufacturing of kitchen appliances?: Yes, steel strips can be used in the manufacturing of kitchen appliances. Steel strips are often used for constructing the bodies and frames of kitchen appliances due to their strength, durability, and resistance to heat and corrosion.

Q: What are the common rust prevention methods for steel strips?: There are several common rust prevention methods for steel strips that are widely used in various industries. These methods aim to protect the steel strips from corrosion and extend their lifespan. 1. Galvanization: This method involves coating the steel strips with a layer of zinc. The zinc acts as a sacrificial anode, which means that it corrodes instead of the steel. Galvanization provides excellent protection against rust and can be achieved through hot-dip galvanizing or electroplating. 2. Coating: Applying a protective coating on the surface of the steel strips helps prevent rust formation. There are various types of coatings available, such as paint, epoxy, enamel, or powder coating. These coatings act as a barrier, shielding the steel from exposure to moisture and corrosive elements. 3. Oil or Wax Coating: Another effective method is applying a thin layer of oil or wax on the steel strips. This coating helps to create a barrier between the steel and the surrounding environment, preventing moisture from coming into direct contact with the metal. 4. VCI (Volatile Corrosion Inhibitor): VCI is a rust prevention method that involves applying chemicals or compounds that release corrosion inhibiting vapors onto the steel strips. These vapors form a protective layer on the metal surface, inhibiting the formation of rust. 5. Storage in a Dry Environment: Proper storage conditions play a crucial role in preventing rust. Keeping the steel strips in a dry environment with low humidity levels minimizes the chances of moisture condensation and rust formation. 6. Regular Maintenance: Regular inspection and maintenance of the steel strips are essential to identify any signs of rust or corrosion early on. Timely cleaning, reapplication of coatings, and addressing any issues promptly can help prevent rust from spreading and causing further damage. It is important to note that the choice of rust prevention method may vary depending on factors such as the specific application, budget, and environmental conditions. Consulting with experts or professionals in the field can help determine the most suitable rust prevention method for steel strips in a given situation.

Q: How are steel strips processed for temperature resistance?: Steel strips undergo a variety of methods and treatments to enhance their temperature resistance. One widely used technique is heat treatment, which involves subjecting the steel strips to controlled cycles of heating and cooling. This process changes the microstructure of the steel, making it more resistant to thermal deformation and ensuring that it retains its strength and integrity even at elevated temperatures. Another method employed is alloying, where specific elements are added to the steel composition to improve its resistance to extreme temperatures. For example, the addition of chromium and nickel creates stainless steel, which exhibits excellent resistance to both high and low temperatures. This alloying process alters the chemical properties of the steel, making it more stable and less susceptible to oxidation or corrosion across different temperature ranges. Applying coatings to the steel strips is also a common approach for enhancing temperature resistance. This entails adding a protective layer, such as zinc or aluminum, which acts as a barrier against heat and prevents the steel from reaching critical temperatures. Coatings can also provide additional benefits like corrosion resistance and insulation. Moreover, cold rolling is frequently employed to enhance the strength and toughness of the steel strips. This process involves passing the steel through a series of rollers at room temperature, which not only improves its mechanical properties but also enhances its ability to withstand temperature fluctuations without compromising its structural integrity. In summary, achieving temperature resistance in steel strips involves a combination of heat treatment, alloying, coating, and cold rolling. These techniques ensure that the steel can endure extreme temperatures, maintain its strength, and withstand the adverse effects of thermal expansion and contraction.

Q: How are steel strips joined together in applications?: Steel strips are commonly joined together in applications through various methods such as welding, riveting, and adhesive bonding. Welding is the most widely used method to join steel strips. It involves melting the edges of the strips and fusing them together, creating a strong and durable bond. Different types of welding techniques can be employed depending on the application requirements, such as arc welding, resistance welding, or laser welding. Riveting is another common method used to join steel strips. It involves inserting a metal rivet through holes drilled in the strips and then deforming the end of the rivet to secure the strips together. This method provides a reliable and secure connection that can withstand high loads and vibrations. Adhesive bonding is a more flexible and versatile method used to join steel strips. It involves applying a specially formulated adhesive or bonding agent between the strips and allowing it to cure. The adhesive forms a strong bond that evenly distributes the load across the joint, providing excellent strength and durability. Adhesive bonding is particularly suitable for joining thin and lightweight steel strips or when a seamless appearance is desired. In some cases, steel strips can also be joined using mechanical fasteners such as screws, bolts, or nuts. These fasteners provide a convenient and removable connection, making them suitable for applications where disassembly or reassembly is required. Overall, the choice of joining method for steel strips depends on factors such as the application requirements, the type and thickness of the steel strips, the expected load and stress conditions, as well as cost and time considerations.

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