High grade hot-rolled steel plate（SS400）
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 300 m.t.
- Supply Capability:
- 20000 m.t./month
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1, carbon steel rimmed steel sheet (GB3274-88)
Steel rimmed steel sheet as the name suggests is made by boiling hot rolled steel plate made of ordinary carbon structural steel. Rimming steel deoxygenation is a complete steel, steel liquid oxygen content is higher, when molten steel after the injection mould, carbon oxygen reaction to produce large amounts of gas, resulting in liquid steel was named after boiling state. Rimming steel with low carbon content, and because no FeSi deoxidization, so steel containing silicon amount<0.07%. Boiling steel outer layer is crystallized in the boiling state, so the surface clean, compact, good surface quality, good processing performance. Rimming steel no large shrinkage hole, deoxidizer used less, low cost of steel. Rimming steel heart of impurities, with the serious segregation, mechanical heterogeneity, more gas in steel, low toughness, cold brittleness and aging sensitivity is larger, the welding performance is poor, so it does not apply to manufacturing under impact load, welding pieces of the structure and other important components work under low temperature.
Steel plate used in the manufacture of all kinds of stamping parts, construction and engineering structure and the structure of the machine is not too important and parts of boiling. The grade, chemical composition and mechanical properties of the material with GB700-79 (88) (technical specification for steel structure of ordinary carbon steel provisions boiling). Hot rolled thick steel plate with thickness of 4.5-200mm. Production units are mainly of Anshan Iron and steel company, Wuhan, Maanshan Iron and steel, TISCO, Chongqing steel, Handan iron and Steel General Factory, Xinyu steel, Liuzhou steel, Anyang steel company, Yingkou plate plant of Tianjin steel and etc..
2 killed steel, plain carbon steel (GB3274-88)
Ordinary carbon steel plate is made of ordinary carbon structural steel hot-rolled steel billet sedation. Deoxidation fully killed steel is steel, steel liquid deoxidation ferromanganese, ferrosilicon and full aluminum ingot casting liquid steel in front, more calm in the mould, does not produce the boiling state, so named for the killed steel. Advantages of killed steel is uniform chemical composition, so the mechanical properties of each part is uniform, the welding performance and good ductility, corrosion resistance is strong. But the surface of poor quality, concentrated shrinkage, higher cost.
Ordinary killed steel is mainly used for structural components, production impact at low temperature welding structure, and other requirements of high strength. The grade, chemical composition and mechanical properties of the material with GB700-79 (88) (technical conditions of steel carbon structure) provisions in killed steel. Size thickness of 4.5-200mm plate. Anshan Iron and steel company, Wuhan Iron and steel are the main production units, Wuyang Steel Corp, Maanshan Iron and steel, TISCO, Chongqing steel, Handan iron and Steel General Factory, Xinyu steel, Liuzhou steel, Anyang, Tianjin, Yingkou Steel Corp steel medium plate plant, a steel, three factory, Shaoguan iron and steel plant and Ji'nan iron and steel factory.
3, low alloy structural steel (GB3274-88)
Low alloy structural steel plate is made of hot rolled low alloy structural steel. Low alloy steel plate is killed steel and semi killed steel sheet. The utility model has the advantages of high strength, good performance, can save large amounts of steel, reduce the structure weight etc.. Low alloy structural steel is more and more widely used in machinery manufacturing and metal structural parts. Thickness of hot rolled steel plate 4.5-200mm. The production unit including Anshan, Wuhan, Wuyang Steel Corp, Maanshan Iron and steel, Chongqing steel, Xinyu steel, Liuzhou steel, Kunming Steel Corp, Tianjin steel, Shaoguan steel plant, Anyang Steel Corp, a steel, three factory and taiyuan.
Steel plate hot rolling with 4, general structure (GB2517-81)
Mainly used for general structure of buildings, bridges, vehicles, etc.. Steel plate (belt) thickness from 1.2-13.0mm; width from 700-1550mm; the length from 2000-12000mm.
5, welded weathering steel with structure (GB4172-84)
Weathering steel is atmospheric corrosion resistant steel. Welding structure with weathering steel is adding small amount of alloying elements in steel, such as steel, chromium, nickel, molybdenum, niobium, titanium, zirconium and vanadium, which form a protective layer on the surface of a metal matrix, in order to improve the weathering steel, and good welding performance. Mainly used in bridges, buildings and other structures.
6, high weatherability, structural steel plates (GB4171-84)
Atmospheric corrosion resistance of weathering steel is economic. Adding small amount of alloying elements in steel, such as steel, phosphorus, chromium, nickel, molybdenum and niobium, titanium, zirconium and vanadium, the level of protection to improve the weathering resistance steel is formed on the surface of the metal substrate. Mainly applicable to buildings, vehicles, towers and other structures.
7, checkered steel plate (GB3277-82)
Pattern plate is the surface with diamond or lentil shaped rib plate. The specifications to the thickness (rib thickness excluding) said. The pattern plate is provided with antiskid effect, often used as a floor, workshop, working frame escalator pedal, the deck of a ship and car plate etc.. The pattern plate material with ordinary carbon structural steel B1, B2 and B3 grade steel rolling form, its chemical composition meet the GB700-79 (technical conditions of steel carbon structure) regulations. Production units are mainly the Anshan Iron and steel and Anyang Steel Corp.
Steel plate for 8, bridge (YB168-70)
The bridge plate is dedicated to the rack railway or highway bridge plate making. Load and impact requirements and has high strength, toughness and bear the locomotive and vehicle, and have good fatigue resistance, low temperature toughness of certain and atmospheric corrosion resistance. Tethered to the welding of bridge steel also has good welding performance and low notch sensitivity. The main structural element for a railway bridge and highway bridge span between 46-160mm. The specifications: thickness from 6-50mm, width, length from 1.0-2.4mm from 2.0-16mm. The production of bridges in China are mainly used steel Anshan, Wuhan steel, steel unit three factory and Chongqing steel etc..
- Q: How are steel sheets protected during storage in humid environments?
- Corrosion prevention is a common practice used to protect steel sheets stored in humid environments. This involves implementing various measures to minimize the steel sheets' exposure to moisture and humidity, which are the main contributors to corrosion. One effective method is applying a protective coating to the steel sheets. This coating acts as a barrier between the steel and the surrounding moisture, preventing direct contact and reducing the risk of corrosion. Depending on the specific requirements and conditions of the storage environment, different types of coatings, such as paint, oil, or specialized corrosion-resistant coatings, can be used. In addition to protective coatings, steel sheets can also be stored in a controlled environment with regulated temperature and humidity levels. This helps to reduce the amount of moisture in the air surrounding the steel sheets, thereby decreasing the likelihood of corrosion. Dehumidifiers or climate-controlled storage facilities can be utilized to achieve this controlled environment. Proper handling and packaging of the steel sheets also play a crucial role in their protection during storage in humid environments. It is important to store the sheets in a manner that allows for adequate airflow and ventilation to minimize moisture accumulation. Additionally, packaging materials, such as plastic wraps or moisture-resistant packaging materials, can provide an extra layer of protection against moisture. Regular inspection and maintenance are essential to ensure the ongoing protection of steel sheets during storage in humid environments. This includes regularly checking for signs of corrosion or damage and promptly addressing them to prevent further deterioration. In conclusion, a combination of protective coatings, controlled storage environments, proper handling, and regular maintenance are necessary to safeguard steel sheets from the negative effects of humidity and moisture during storage.
- Q: How do you calculate the yield strength of a steel sheet?
- To calculate the yield strength of a steel sheet, you need to conduct a test called a tensile test. This test involves stretching a sample of the steel sheet until it reaches its breaking point. During the test, you measure the stress and strain applied to the sample. The yield strength is the point at which the material begins to deform plastically, meaning it does not return to its original shape after the stress is removed. It is an important mechanical property as it indicates the maximum amount of stress a material can withstand without permanent deformation. During the tensile test, you measure the stress applied to the steel sheet as you increase the strain on the sample. Stress is calculated by dividing the force applied to the sample by its original cross-sectional area. Strain is determined by dividing the change in length of the sample by its original length. The yield strength is defined as the stress at which a specific amount of permanent deformation occurs, typically 0.2% strain or 0.2% offset. This means that the yield strength is the stress required to cause a 0.2% change in length of the sample. Once you have obtained the stress-strain data from the tensile test, you can plot a stress-strain curve. The yield strength is then determined by finding the point on the curve where the stress corresponding to the specified amount of strain is reached. In summary, to calculate the yield strength of a steel sheet, you need to perform a tensile test and measure the stress and strain applied to the sample. From the stress-strain curve, you can determine the point at which a specific amount of permanent deformation occurs, which is the yield strength of the steel sheet.
- Q: Are the steel sheets suitable for high-temperature applications?
- Yes, steel sheets are suitable for high-temperature applications due to their excellent heat resistance and strength.
- Q: What is the average thermal conductivity of steel sheets?
- The average thermal conductivity of steel sheets can vary depending on various factors such as the specific type or grade of steel, its composition, and temperature. However, on average, the thermal conductivity of steel sheets ranges between 15 and 30 Watts per meter-kelvin (W/m·K). This means that steel sheets are relatively good conductors of heat, allowing them to efficiently transfer thermal energy across their surfaces. It is important to note that the actual thermal conductivity of a specific steel sheet can be determined through laboratory testing or by consulting technical specifications provided by the manufacturer.
- Q: Can steel sheets be used for storage cabinets or lockers?
- Steel sheets are indeed suitable for the purpose of storage cabinets or lockers. This is because steel possesses qualities such as durability, strength, and damage resistance, making it a popular choice for these applications. By utilizing steel sheets, one can obtain a storage solution that is both robust and secure, rendering them highly suitable for cabinets and lockers. Moreover, steel's resistance to corrosion ensures that these storage units will endure for an extended period. The versatility of steel sheets also enables customization in terms of size, shape, and design, allowing the creation of storage cabinets or lockers that fulfill specific requirements and effortlessly blend into any given space.
- Q: Can the steel sheets be used for kitchen countertops?
- Yes, steel sheets can be used for kitchen countertops.
- Q: Can steel sheets be used for manufacturing kitchen utensils?
- Yes, steel sheets can be used for manufacturing kitchen utensils. Steel is a common material used in the production of utensils due to its durability, heat resistance, and hygienic properties. Steel sheets can be easily shaped and molded into various utensil designs, making them suitable for manufacturing kitchen tools such as pots, pans, cutlery, and other cookware.
- Q: Are steel sheets prone to warping or bending?
- Yes, steel sheets are prone to warping or bending under certain conditions, such as exposure to high heat or excessive force. However, the extent of warping or bending also depends on the thickness and quality of the steel sheet.
- Q: Can steel sheets withstand extreme weather conditions?
- Yes, steel sheets are designed to withstand extreme weather conditions due to their inherent strength, durability, and resistance to corrosion. They can withstand heavy rain, snow, high winds, and even hailstorms without getting damaged. Additionally, steel sheets are also fire-resistant, making them a reliable choice for various applications in extreme weather environments.
- Q: How do you cut steel sheets?
- Steel sheets can be cut through several methods, including using power tools such as plasma cutters, laser cutters, or shearing machines. These tools provide precise and efficient cuts by melting, burning, or shearing through the steel sheet. The choice of method often depends on the thickness and type of steel being cut, as well as the desired precision and speed.
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High grade hot-rolled steel plate（SS400）
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 300 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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