Hot-rolled steel plate
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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: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 coating options for steel sheets (powder coating, paint, etc.)?
- There are several different coating options available for steel sheets, each offering unique benefits and characteristics. Some of the most common coating options include: 1. Powder coating: Powder coating involves applying a dry powder coating material onto the steel sheet. This coating is then cured under heat to form a protective layer. Powder coating provides excellent durability, corrosion resistance, and aesthetic appeal. It is also environmentally friendly, as it does not contain solvents or VOCs. 2. Paint: Paint is one of the most traditional coating options for steel sheets. It involves applying liquid paint onto the surface, which then dries and forms a protective layer. Paint coatings offer a wide range of colors and finishes, making them suitable for various applications. However, they may require periodic maintenance and can be susceptible to chipping and peeling. 3. Galvanizing: Galvanizing is a popular coating method for steel sheets, especially in industries where corrosion resistance is crucial. It involves applying a layer of zinc onto the steel surface through a hot-dip process. This creates a protective barrier that prevents corrosion and rusting. Galvanized coatings are highly durable and long-lasting. 4. Epoxy coatings: Epoxy coatings are known for their excellent chemical resistance and adhesion properties. They provide a tough and durable finish that protects steel sheets from corrosion, chemicals, and abrasion. Epoxy coatings are commonly used in industrial settings where harsh conditions are prevalent. 5. Chromate conversion coatings: Chromate conversion coatings, also known as chemical conversion coatings, are applied to steel sheets to enhance their corrosion resistance and improve paint adhesion. These coatings are typically thin and translucent, providing a clear or slightly yellowish appearance. Chromate conversion coatings are commonly used as a pre-treatment before painting or powder coating. 6. Ceramic coatings: Ceramic coatings offer exceptional heat resistance and durability. They are often utilized in high-temperature applications, such as exhaust systems or industrial ovens. Ceramic coatings can withstand extreme temperatures, corrosion, and abrasion, making them ideal for demanding environments. These are just a few of the coating options available for steel sheets. The choice of coating will depend on factors such as the intended application, desired appearance, environmental conditions, and budget. Consulting with a coating specialist or manufacturer can help determine the most suitable coating option for specific requirements.
- Q:Can steel sheets be bent or curved?
- Yes, steel sheets can be bent or curved using various methods such as press brakes, rollers, or heat treatment techniques.
- Q:Are the steel sheets suitable for electrical applications?
- Indeed, steel sheets prove themselves to be fitting for electrical purposes. Being an excellent conductor of electricity, steel emerges as an optimal substance for a myriad of electrical components and applications. It finds utility in electrical enclosures, panels, cabinets, and other structures that accommodate electrical equipment. Moreover, steel sheets are frequently employed in grounding systems, electrical connectors, and electrical appliances. Furthermore, steel sheets offer sturdiness and safeguarding against environmental elements, including corrosion or fire, which hold paramount importance in electrical applications.
- Q:What are the different surface treatments for stainless steel sheets?
- Some common surface treatments for stainless steel sheets include brushed, mirror, and satin finishes. Brushed finishes create a textured look by using a fine abrasive material to brush the surface in one direction. Mirror finishes create a highly reflective surface by polishing the stainless steel to a mirror-like sheen. Satin finishes have a smooth, low-luster appearance and are achieved by using a fine abrasive material to create a consistent, non-reflective surface.
- Q:What safety precautions should be taken when handling steel sheets?
- When handling steel sheets, it is important to follow a few safety precautions. First, always wear personal protective equipment such as gloves, safety glasses, and steel-toe shoes to protect yourself from potential injuries. Secondly, ensure that the work area is well-ventilated as steel sheets may release harmful fumes when heated or welded. Additionally, use proper lifting techniques to avoid strains or back injuries, as steel sheets can be heavy. Lastly, store steel sheets in a secure and organized manner to prevent them from falling or causing accidents.
- Q:How do steel sheets perform in terms of weathering?
- Steel sheets perform well in terms of weathering due to their inherent strength and durability. They are highly resistant to corrosion and can withstand harsh weather conditions such as rain, snow, and extreme temperatures. Additionally, steel sheets can be further protected through coatings and treatments, enhancing their ability to resist weathering and prolonging their lifespan.
- Q:Can steel sheets be recycled after their useful life?
- Yes, steel sheets can be easily recycled after their useful life. Steel is one of the most recyclable materials in the world and can be melted down and reused multiple times without losing its properties. Recycling steel sheets not only reduces the need for new steel production but also conserves resources and reduces energy consumption and greenhouse gas emissions.
- Q:Are steel sheets suitable for interior partition walls?
- Yes, steel sheets are suitable for interior partition walls. They are strong, durable, and provide excellent fire resistance. Additionally, steel sheets can be easily installed and offer design flexibility, allowing for various finishes and customization options.
- Q:How do you transport steel sheets safely?
- To transport steel sheets safely, it is important to use appropriate lifting equipment such as cranes or forklifts with proper rated capacity. The sheets should be securely strapped or clamped together to prevent shifting during transportation. Additionally, using protective covers or padding can minimize the risk of scratches or damage. Proper planning, training, and adherence to safety protocols are crucial to ensure safe transportation of steel sheets.
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Hot-rolled steel plate
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