High Quality Hot Rolled Steel Sheet
- Loading Port:
- Xingang Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100MT m.t.
- Supply Capability:
- 100000MT m.t./month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
Specification of Hot Rolled Checkered Steel Plate:
1.Advantages of our Hot Rolled Checkered Steel Plate:
a) The unfairness of our checkered steel sheet must be less than 10mm each meter
b) The surface of our hot rolled checkered steel plate is free from bubble, scab, crack, fold, edge delamination and so on.
c) The height of our hot rolled checkered steel plate will be maintained between 0.2~0.3 times to thickness of steel substrate, but more than 0.5mm at least.
2. Other details of Hot Rolled Checkered Steel Plate
Standard | GB T 3277, DIN 5922 |
Grade | Q235, S235JR |
Thickness | 2.5-8.0mm |
Width | 1000-1600mm |
Length | 4000-8000mm |
Note: Dimension of our hot rolled checkered steel sheet can be made according to your requirements, we can futher discuss it.
3. The regular sections we provide are shown in the below table:
Base Thickness(MM) | Allowed Tolerance of Base Thickness(%) | Theoretical Mass (KG/M²) | ||
The Pattern | ||||
Rhombus | Beam | Pea | ||
2.5 | ±0.3 | 21.6 | 21.3 | 21.1 |
3.0 | ±0.3 | 25.6 | 24.4 | 24.3 |
3.5 | ±0.3 | 29.5 | 28.4 | 28.3 |
4.0 | ±0.4 | 33.4 | 32.4 | 32.3 |
4.5 | ±0.4 | 37.3 | 36.4 | 36.2 |
5.0 | 0.4~-0.5 | 42.3 | 40.5 | 40.2 |
5.5 | 0.4~-0.5 | 46.2 | 44.3 | 44.1 |
6.0 | 0.5~-0.6 | 50.1 | 48.4 | 48.1 |
7.0 | 0.6~-0.7 | 59.0 | 52.5 | 52.4 |
8.0 | 0.7~-0.8 | 66.8 | 56.4 | 56.2 |
4. Chemical Composition of Hot Rolled Checkered Steel Plate:
Chemical Composition | ||||||||||
C | Si | Mn | P | S | ||||||
Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.040 | ≤0.040 | |||||
Q345C | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.035 | ≤0.035 | |||||
Q345D | ≤0.18 | ≤0.55 | 1.00-1.60 | ≤0.030 | ≤0.030 |
Note: Here, we just take the hot rolled checkered steel sheet according to Q345B, Q345C and Q345D as example. We are also able to provide SGS test report for checkered steel sheet as per other material grade.
Applications of Hot Rolled Checkered Steel Plate:
1.Definition: The hot rolled steel sheet with raised pattern on surface. The raised pattern could be shaped as rhombus,bean or pea. There is not only one kind of pattern on the checkered steel sheet, but also a complex of two or more than two kinds of pattern on surface of one checkered steel sheet. It also could be called as grid steel sheet.
2.Character: The Hot Rolled Checkered Steel Plate possesses a variet of advantages, such as beauty in appearance,skip resistance and saving steel material.Generally speaking,in order to test the mechanical property or the quality of hot rolled checkered steel sheet, the shaping rate and the pattern height should be tested primarily.
3. In conclusion, the hot rolled checkered steel plate can usually be used in the industry of ship-building,boiler,automobil,tractor,train- building and architecture. In details, there are many demands for hot rolled checkered steel plate to make floor,ladder at workshop,work frame pedal,ship deck,car floor and so on.
Package & Delivery of Hot Rolled Checkered Steel Plate:
1. The items to be prepared for packing include: narrow steel strip, crude steel belt or edge angle steel, kraft paper or galvanized sheet.
2. The hot rolled checkered steel plate should be wrapped with kraft paper or galvanized sheet ouside, and it should be bundled with narrow steel strip, three or two narrow steel strip in longitudinal direction,and the other three or two strips in transverse direction. Furthermore, in order to fix the hot rolled checkered steel plate and avoid the strip at edge shall be broken, the crude steel belt cut into square should be put under the narrow steel strip on the edge. Of course, the hot rolled checkered steel plate could be bundled without kraft paper or galvanized sheet. It depends on customer’s requirement.
3. In consideration of the transportaion from mill to loading port, the truck will be usually used. And the maximum quantity for each truck is 40mt.
4. All in all, we could do in accordance with customer's request.
Production Flow of Hot Rolled Checkered Steel Plate:
1.The steel raw materials are first melted in an electric furnace. They are subjected to at least 12 hours of intense heat.
2.The mixture is cast into either large rectangular blooms, slabs or bar-like billets, before taking on a semisolid form.
This initial form of steel is then processed via forming operations that include hot rolling into bars, wires, plates and slabs.
3.The steel is subjected to annealing. This is a heat treatment in which the metal is first heated and then cooled under extreme, controlled conditions. The metal is thus treated for internal stresses and is duly softened and strengthened. This processing is also referred to as 'age hardening'. It requires careful monitoring of temperature and heating and cooling times. The aging temperature affects metal properties massively; while lower temperatures cause high strength and low fracture toughness (i.e., more brittle than ductile), higher temperatures result in a tougher material of lower strength (i.e., more ductile than brittle). Rapid cooling can produce a tough steel with no significant loss in strength. The heat treatment given to stainless steel depends on the type and grade of steel being produced.
4. Annealing or the heat treatment can lead to the development of a precipitate, known as scale. The scale can be removed via several methods, such as pickling, (nitric-hydrofluoric acid bath),electrocleaning(application of an electric current, using phosphoric acid and a cathode), etc.
5. Descaling of the material is introduced into the manufacturing process at different times, depending on the type of steel being produced. While the bar and wire forms have to be additionally treated with hot rolling,forging and extruding, the sheet and strip forms go through annealing after hot rolling.
6. Cutting operations in the manufacturing process are essential in obtaining the desired shape and size of the end product. Mechanical cutting involves the use of guillotine knives and high-speed steel blades for blanking (punching out the shape by shearing) and nibbling (cutting out a series of overlapping holes). It is also cut via flame cutting, a process that involves the use of a flame generated by oxygen, propane and iron powder. The plasma jet cutting method uses an ionized gas column to melt and cut the metal.
6. Manufacturing end products involve further shaping via heat-rolling, pressing, forging and extrusion. The material is then joined via welding and given the desired shape.
- Q:What is the process of forming corrugated steel sheets?
- The process of forming corrugated steel sheets involves passing flat steel sheets through a series of rollers that have corrugated patterns. These rollers apply pressure to the steel sheets, creating the desired corrugated shape. This process increases the strength and durability of the steel sheets, making them suitable for various applications such as roofing, siding, and packaging.
- Q:What are the different types of surface treatments available for steel sheets?
- Steel sheets have a variety of surface treatments available, each with specific purposes and unique advantages. 1. Hot-dip galvanizing: To prevent corrosion, steel sheets are immersed in molten zinc, forming a protective coating. This method offers excellent durability and corrosion resistance. 2. Electro-galvanizing: A thin, uniform layer of zinc is deposited onto the steel sheets through an electrochemical process. This treatment provides good corrosion protection and is often used for decorative purposes. 3. Powder coating: Dry powder is applied onto the steel sheets and then cured with heat. This treatment offers a durable and attractive finish while protecting against corrosion, UV rays, and chemicals. 4. Paint coating: Steel sheets can be coated with different types of paints, such as epoxy, polyurethane, and polyester. Paint coatings provide aesthetic appeal and protection against corrosion and weathering. 5. Phosphating: A phosphate coating is applied to enhance corrosion resistance and improve paint adhesion. This treatment is commonly used as a pre-treatment before painting or powder coating. 6. Chromate conversion coating: A thin layer of chromate is applied to enhance corrosion resistance and improve paint adhesion. This treatment is also known as chromating or passivation. 7. Anodizing: While primarily used for aluminum, anodizing can also be applied to steel sheets. This process creates an oxide layer that improves corrosion resistance and provides a decorative finish. 8. Pickling: Steel sheets are immersed in an acidic solution to remove impurities like scale and rust. Pickling leaves the steel sheets with a clean and smooth surface, ready for subsequent treatments. In conclusion, the choice of surface treatment for steel sheets depends on the intended application, desired appearance, and required level of corrosion resistance.
- Q:How many times a day can a steel pile be inserted?
- Steel sheet pile U type and Z type and AS type, the Z type and AS type steel sheet pile production, processing and installation is more complex, and the price is U higher than about 1/3, mainly used in Europe and the United States, Japan and South Korea and other Asian countries, mainly the use of U type steel sheet pile.
- Q:Are steel sheets suitable for underground applications?
- Yes, steel sheets are suitable for underground applications. Steel is a strong and durable material that can withstand high pressure and provide structural stability in underground environments. It is commonly used in underground construction projects such as tunnels, mines, and underground storage facilities. Steel sheets are resistant to corrosion and can effectively protect underground structures from water, soil, and other external elements. Additionally, steel sheets offer cost-effectiveness and ease of installation, making them a practical choice for underground applications.
- Q:How do steel sheets perform in terms of corrosion resistance?
- Steel sheets possess good corrosion resistance in general, particularly when they are coated with protective layers like zinc or alloys. The corrosion resistance of steel sheets relies on the steel's composition and quality, as well as the environment in which they are employed. Stainless steel sheets, for instance, demonstrate remarkable resistance against corrosion due to the presence of chromium and other alloying elements. These sheets prove highly effective in environments with elevated humidity, exposure to saltwater, or acidic conditions. However, in aggressive environments, uncoated or low-alloy steel sheets may be vulnerable to rust and corrosion. Regular maintenance, such as the application of protective coatings or the use of corrosion inhibitors, can enhance the corrosion resistance of steel sheets and extend their lifespan.
- Q:Are the steel sheets suitable for architectural cladding?
- Yes, steel sheets are suitable for architectural cladding. Steel is a strong and durable material that provides excellent protection against weather elements and other external factors. It can be easily shaped and fabricated into various designs, making it highly versatile for architectural applications. Steel cladding also offers a modern and sleek aesthetic, allowing for flexibility in creating visually appealing building façades. Additionally, steel sheets can be coated or painted to enhance their corrosion resistance and further customize their appearance. Overall, steel sheets are a popular choice for architectural cladding due to their strength, durability, versatility, and aesthetic appeal.
- Q:What is the difference between a self-color and painted steel sheet?
- A self-color steel sheet refers to a sheet of steel that has not been coated or treated with any additional colors or finishes. It retains the natural color and appearance of the steel surface, which is typically a metallic gray or silver. On the other hand, a painted steel sheet is one that has been coated with a layer of paint or other protective finish. This coating serves multiple purposes, including enhancing the aesthetic appeal of the steel sheet, providing additional protection against rust and corrosion, and increasing the sheet's durability. The primary difference between a self-color and painted steel sheet lies in the presence or absence of a coating. While a self-color sheet maintains the raw and natural appearance of the steel, a painted sheet offers a wide range of color options, allowing for customization and harmonization with various design schemes. Additionally, the presence of a paint or protective coating on a steel sheet provides an extra layer of protection against environmental factors, such as moisture, chemicals, and UV rays. This helps prevent the steel from corroding or deteriorating over time, extending its lifespan and ensuring its performance in various applications. In summary, the main difference between a self-color and painted steel sheet is the presence or absence of a coating. While a self-color sheet retains the natural appearance of steel, a painted sheet offers added protection, customization options, and aesthetic appeal.
- Q:What is the process of applying fire-resistant coatings to steel sheets?
- The process of applying fire-resistant coatings to steel sheets involves several steps. First, the surface of the steel sheets needs to be thoroughly cleaned to remove any dirt, grease, or contaminants. This can be done through abrasive blasting, solvent cleaning, or power washing. Once the surface is clean, a primer or base coat is applied to enhance adhesion and provide a smooth surface for the fire-resistant coating. The primer is typically applied using a brush, roller, or spray gun. After the primer has dried, the fire-resistant coating is applied. This coating is specifically designed to withstand high temperatures and provide protection against fire. It is usually applied in multiple layers for optimal effectiveness. The coating can be sprayed, rolled, or brushed onto the steel sheets. Once the fire-resistant coating is applied, it needs to cure or dry according to the manufacturer's instructions. This curing process ensures that the coating forms a strong bond with the steel surface and achieves its maximum fire-resistant properties. Overall, the process of applying fire-resistant coatings to steel sheets involves surface preparation, primer application, fire-resistant coating application, and curing. It is crucial to follow proper application techniques and adhere to manufacturer guidelines to ensure a durable and effective fire-resistant finish.
- Q:What is the difference between hot-rolled and cold-rolled steel sheets?
- The manufacturing process and resulting characteristics of steel sheets differ between hot-rolled and cold-rolled varieties. Hot-rolled steel sheets are produced by heating a large steel slab and passing it through high-temperature rollers. This allows for easy shaping and forming into various sizes and thicknesses. The elevated temperature also removes any residual stress in the steel, making it more flexible and moldable. Consequently, hot-rolled steel sheets possess a rougher surface finish and may exhibit a thin oxide layer called scale. However, they are generally less expensive and come in a wider range of sizes. In contrast, cold-rolled steel sheets are created by cooling down the hot-rolled steel and passing it through rollers at room temperature. This process not only reduces the steel's thickness but also enhances its surface finish and dimensional accuracy. Cold-rolling gives the steel sheets a smooth and shiny appearance, making them suitable for applications where aesthetics matter. Additionally, cold-rolling improves the steel's strength and hardness, making it more appropriate for high-stress uses. However, cold-rolled steel sheets are typically more costly due to the additional processing involved. In summary, hot-rolled steel sheets offer greater formability and lower cost, but have a rougher surface finish and may exhibit scale. On the other hand, cold-rolled steel sheets have superior surface finish, dimensional accuracy, and strength, but are pricier. Choosing between hot-rolled and cold-rolled steel sheets depends on the specific requirements of the application, including desired surface finish, strength, and cost considerations.
- Q:How do steel sheets handle thermal conductivity?
- Steel sheets have a relatively high thermal conductivity, which means they are efficient in transferring heat. This property allows steel to quickly absorb and distribute heat across its surface. When exposed to a heat source, such as a flame or hot object, steel sheets rapidly conduct the heat throughout its structure, resulting in uniform heating or cooling. This makes steel sheets suitable for applications that require heat transfer, such as in the construction industry for radiant heating systems or in manufacturing for heat exchangers. The high thermal conductivity of steel also makes it a preferred material for cookware, as it ensures even heat distribution and efficient cooking. However, it is important to note that steel's thermal conductivity can also make it prone to heat loss in colder environments, requiring appropriate insulation measures to maintain desired temperatures.
1. Manufacturer Overview |
|
---|---|
Location | Qianan, China |
Year Established | 2005 |
Annual Output Value | Above US$ 1,300 Million |
Main Markets | Mid East; Eastern Europe; North America |
Company Certifications |
2. Manufacturer Certificates |
|
---|---|
a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability |
|
---|---|
a)Trade Capacity | |
Nearest Port | Tianjin |
Export Percentage | 40% - 60% |
No.of Employees in Trade Department | 21-50 People |
Language Spoken: | English; Chinese |
b)Factory Information | |
Factory Size: | Above 800,000 square meters |
No. of Production Lines | Above 10 |
Contract Manufacturing | OEM Service Offered; |
Product Price Range | High; Average |
Send your message to us
High Quality Hot Rolled Steel Sheet
- Loading Port:
- Xingang Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100MT m.t.
- Supply Capability:
- 100000MT m.t./month
OKorder Service Pledge
OKorder Financial Service
Similar products
Hot products
Hot Searches
Related keywords