High Quality Hot Rolled Steel Sheet
- Ref Price:
- Loading Port:
- Xingang Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100MT m.t.
- Supply Capability:
- 100000MT m.t./month
- OKorder Service Pledge
- Quality Product
- Order Online Tracking
- Timely Delivery
- OKorder Financial Service
- Credit Rating
- Credit Services
- Credit Purchasing
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:
- Steel sheets have several advantages over other types of sheet materials. Firstly, steel sheets are extremely durable and have a high strength-to-weight ratio, making them suitable for a wide range of applications. They also offer excellent resistance to corrosion, which is a significant advantage in harsh environments. Moreover, steel sheets can withstand high temperatures, making them ideal for applications that involve heat exposure. Additionally, steel sheets are highly versatile and can be easily customized to meet specific requirements. Overall, the superior strength, durability, and versatility of steel sheets make them stand out when compared to other sheet materials.
- Q:
- The process of forming corrugated steel sheets involves passing a flat steel sheet through a series of rolling mills equipped with corrugating rolls. These rolls have a pattern of ridges and grooves that shape the steel sheet into a wavy or corrugated form. The sheet is fed into the first set of rolls, which press the ridges into the sheet, and then it goes through subsequent sets of rolls to further refine the corrugations. This process creates strength and rigidity in the steel sheet, making it suitable for various applications in construction, roofing, and packaging industries.
- Q:
- Yes, steel sheets are suitable for HVAC ductwork. Steel is a durable and strong material that can withstand the pressure and temperature changes typical in HVAC systems. It has excellent fire resistance properties and is resistant to corrosion, making it ideal for ductwork applications. Additionally, steel sheets can be easily fabricated and formed into various shapes and sizes to fit specific ductwork requirements. Therefore, steel sheets are a reliable and commonly used material in the construction of HVAC ductwork.
- Q:
- There are several methods of surface cleaning for steel sheets, including mechanical cleaning techniques such as abrasive blasting or grinding, chemical cleaning using solvents or acids, and electrochemical cleaning methods like electrolysis or pickling. Each method is chosen based on the specific requirements and condition of the steel surface to effectively remove dirt, rust, scale, or other contaminants.
- Q:
- Yes, steel sheets can be painted.
- Q:
- Yes, steel sheets are suitable for electrical enclosures. Steel is a highly durable and strong material that provides excellent protection for electrical components. It is resistant to impact, corrosion, and high temperatures, making it an ideal choice for enclosures that house sensitive electrical equipment. Additionally, steel sheets can be easily fabricated and customized to meet specific design requirements, ensuring a perfect fit for the electrical enclosure. Overall, steel sheets offer the necessary strength, durability, and protection needed to house electrical components effectively.
- Q:
- The process of manufacturing steel sheets involves several steps. First, iron ore is extracted from the ground and processed to remove impurities. This iron ore is then smelted in a blast furnace, along with coke and limestone, to produce molten iron. The molten iron is further refined in a basic oxygen furnace or an electric arc furnace to remove any remaining impurities and adjust the desired composition. Once the iron has been refined, it is converted into steel by adding alloying elements such as carbon, manganese, and other elements as required. The molten steel is then cast into large slabs or ingots. These slabs are reheated and passed through rolling mills to reduce their thickness and shape them into long, flat sheets. The sheets are then cooled, coated or treated as necessary, and cut into desired sizes before being packaged and shipped for various applications.
- Q:
- There are several different types of steel sheet coatings, including galvanized coatings, tin coatings, and polymer coatings.
- Q:
- Yes, steel sheets can be used for heat exchangers. Steel has good thermal conductivity and can withstand high temperatures, making it suitable for heat transfer applications. However, the specific type of steel and its thickness should be carefully chosen based on the operating conditions and requirements of the heat exchanger.
- Q:
- The lifespan of galvanized steel sheets can vary due to several factors, including the environment, maintenance, and usage. Typically, galvanized steel sheets last between 20 and 50 years. However, with proper care, regular inspections, and maintenance practices, this lifespan can be extended. Galvanized steel sheets are renowned for their durability and resistance to corrosion, which contributes to their relatively long lifespan. Nevertheless, exposure to harsh weather conditions, extreme temperatures, and corrosive substances can impact the longevity of galvanized steel sheets. Therefore, it is crucial to consider these factors and implement appropriate maintenance measures to ensure the maximum lifespan of galvanized steel sheets.
1. Manufacturer Overview |
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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 |
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a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability |
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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 |
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