Prime quality square alloy steel billet 175mm Q235
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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Structure of Prime quality square alloy steel billet 175mm Q235
Description of Prime quality square alloy steel billet 175mm Q235
1. Prepainted steel coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized or galvalume steel sheets.
2. The base metals for prepainted steel coil consist of cold rolled, HDGI Steel, electro-galvanized and hot-dip alu-zinc coated steel. The finish coats of prepainted steel coil can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.
3. The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking.
4. The color of the prepainted steel coil has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc.
5. The prepainted steel coils can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.
Main Feature of Prime quality square alloy steel billet 175mm Q235
Uncoated CR steel sheet
With the features of in line with the international highest standards in demension and shape, excellent surface finish and properties, the products are mainly used in home appliance and automobile industries.
Galvanized steel sheet(include HDG and EG)
With the features of good corrosion resistance, the products are mainly used in automobile, home appliance, electronics, building and machinery manufacture industries, etc.
Precoated steel sheet
With the features of enviromental protection and good processablility, long lasting surface durability, rich in colors, the products are maily used in building, home appliance and furniture industries, etc.
Applications of Prime quality square alloy steel billet 80mm Q235
Construction
Manufacture anticorrosion, industrial and civil architecture roof boarding, roof grille
Light industries
Home appliance's case, civil chimney, kitchen utensils
Auto industry
Corrosion resistant parts of cars
Agriculture
Food storage, meat and aquatic products' freezing and processing equipment
Commerce
Equipments to store and transport materials, and packing implements
Specifications of Prime quality square alloy steel billet 175mm Q235
Product | Prime quality square alloy steel billet 175mm Q235 |
Material Grade | SGCC / SGCH / DX51D+AZ, etc |
Thickness | 0.6-3.0mm |
Width | 500-1500mm |
Tolerance | Thickness: +/-0.02mm , Width:+/-2mm |
Zinc-coating | Z30-150g/m2 |
Technique | Raw material: Hot rolled steel coil --> Cold rolled_>hot dipped galvalume |
Surface | Dried, Chromated, Unoiled |
Spangle | Regular spangle , small spangle, zero spangle |
ID | 508MM 610MM |
Coil weight | 1-25MT |
Export package | Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed |
FAQ of Prime quality square alloy steel billet 175mm Q235
We have organized several common questions for our clients，may help you sincerely：
1. How Can I Visit There?
Our company is located in Tianjin City, China, near Beijing. You can fly to Tianjin Airport Directly. All our clients, from home or aboard, are warmly welcome to visit us!
2. How Can I Get Some Sample?
We are honored to offer you sample.
3. Why choose CNBM?
Our delivery time about 15-20days for standard sizes, if you have other requirements like hardness, quanity and width ,it is about 20-40days. But don't worry we also try our best for the delivery time ,because time longer and our cost is higher.
- Q:What are the common heat treatment processes for steel billets?
- The common heat treatment processes for steel billets include annealing, quenching and tempering, normalizing, and case hardening.
- Q:What are the different methods of steel billet cutting?
- There are various techniques for cutting steel billets, each offering unique advantages and applications. Some of the most prevalent methods are as follows: 1. Sawing: Sawing involves the use of a saw blade to cut steel billets. It can be performed either manually or with the aid of a machine. Sawing is a versatile approach that can be applied to billets of various sizes and shapes, although it may not be suitable for thicker billets. 2. Flame cutting: Also known as oxy-fuel cutting, flame cutting entails heating the steel billet to its ignition temperature using a torch, and then introducing oxygen to create a chemical reaction that cuts through the metal. This method is commonly employed for thicker billets and allows for both straight and beveled cuts. 3. Plasma cutting: Plasma cutting employs a high-velocity jet of ionized gas to melt and eliminate the steel. It is a versatile technique suitable for cutting steel billets of various thicknesses, providing high-quality cuts with minimal heat-affected zones. 4. Water jet cutting: This method involves using a high-pressure stream of water mixed with abrasive particles to cut through the steel billet. Water jet cutting is particularly effective for cutting intricate shapes and can deliver precise cuts with minimal heat-affected zones. Furthermore, it is suitable for a wide range of materials, including metals, plastics, and composites. 5. Laser cutting: Laser cutting employs a focused laser beam to melt and vaporize the steel billet, resulting in a narrow cut. This method is highly precise and capable of producing intricate cuts with minimal heat-affected zones. Laser cutting is commonly used for cutting thin to medium thickness billets and is especially favored in industries that require high precision and speed. In conclusion, the methods of steel billet cutting encompass sawing, flame cutting, plasma cutting, water jet cutting, and laser cutting. Each method possesses its own strengths and is appropriate for different applications, depending on factors such as billet thickness, desired precision, and material type.
- Q:How are steel billets used in the automotive industry?
- Steel billets are an essential component in the automotive industry and are used in various applications due to their strength, durability, and versatility. These billets are primarily used to manufacture various parts and components of automobiles, ranging from chassis and engine parts to suspension systems and body panels. One of the key uses of steel billets in the automotive industry is in the production of crankshafts, which are crucial for converting the reciprocating motion of pistons into rotational motion. Crankshafts need to withstand high levels of stress and pressure, and steel billets provide the necessary strength and resilience to meet these requirements. Similarly, steel billets are used to manufacture camshafts, which control the opening and closing of the engine's valves. Camshafts require high precision and durability to withstand the continuous mechanical stresses, and steel billets offer the necessary mechanical properties to ensure their reliability. Furthermore, steel billets are commonly employed in the production of various suspension components, such as control arms and axle shafts. These components need to withstand heavy loads and shocks while maintaining structural integrity, making steel billets an ideal material choice. In addition, steel billets are utilized in the manufacturing of body panels, such as doors, hoods, and fenders. These parts require high strength to ensure passenger safety and withstand impacts, and steel billets provide the necessary strength while also offering cost-effectiveness. Moreover, steel billets are used in the production of transmission components, including gears and shafts. These parts require high strength, wear resistance, and dimensional accuracy, which are all provided by steel billets. Overall, steel billets play a crucial role in the automotive industry, enabling the production of various components and parts that require exceptional strength, durability, and precision.
- Q:What are the main applications of steel billets in the aerospace industry?
- Steel billets possess exceptional strength, durability, and thermal properties, making them an indispensable component in the aerospace industry. Their numerous applications include the production of aircraft structural components, engine parts, fasteners and connectors, as well as hydraulic and pneumatic systems. A primary application of steel billets in the aerospace industry is seen in the manufacturing of aircraft structural components. These billets are commonly utilized to produce critical parts such as landing gear, wing spars, fuselage frames, and engine mounts. These components provide the necessary strength and stability required for safe and efficient flight. Furthermore, steel billets find use in the aerospace industry for the production of engine components. Their high heat resistance and ability to withstand extreme temperatures make them ideal for manufacturing turbine blades, shafts, and other critical parts within jet engines. These components must endure intense heat and pressure, and steel billets offer the required properties for reliable and efficient engine performance. Additionally, steel billets play a vital role in the aerospace industry by being applied in the production of fasteners and connectors. These components are crucial for securely joining various parts of an aircraft, ensuring structural integrity and safety during flight. Steel billets are employed to manufacture high-strength bolts, screws, and other fasteners, providing the necessary strength and reliability for aerospace applications. Moreover, steel billets are frequently used in the aerospace industry for the manufacture of hydraulic and pneumatic systems. These systems are responsible for controlling the movement of the aircraft, landing gear operation, and other critical functions. Steel billets are utilized to produce hydraulic cylinders, valves, and tubes, offering the required strength and resistance to withstand high pressures and extreme conditions. In conclusion, the aerospace industry heavily relies on steel billets for various applications, including aircraft structural components, engine parts, fasteners and connectors, as well as hydraulic and pneumatic systems. The exceptional strength, durability, and thermal properties of steel billets ensure the safety, efficiency, and reliability of aerospace operations.
- Q:What is the typical composition of a steel billet?
- The specific grade and intended use of a steel billet can cause its typical composition to vary. Nevertheless, in general, a steel billet primarily consists of iron, carbon, and additional alloying elements. Steel's main constituent is iron, which typically accounts for about 98% of its composition. This element provides the material with structural strength and durability. Carbon, the second most significant element, usually ranges from 0.02% to 2.1% and plays a vital role in determining the steel's hardness and strength. Besides iron and carbon, steel billets often incorporate various alloying elements to enhance specific properties. These elements may include manganese, silicon, nickel, chromium, molybdenum, vanadium, and others. Each element contributes to different characteristics, such as corrosion resistance, heat resistance, toughness, or machinability. Moreover, steel billets are frequently produced through processes like continuous casting or hot rolling, which can introduce small amounts of impurities. These impurities, such as sulfur, phosphorus, and oxygen, are typically maintained at very low levels to preserve the desired quality of the steel. In conclusion, the typical composition of a steel billet comprises a combination of iron, carbon, alloying elements, and minor impurities. These components are carefully regulated to achieve the desired mechanical properties and performance for a wide range of applications in industries such as construction, automotive, aerospace, and manufacturing.
- Q:What are the properties and characteristics of steel billets?
- Steel billets are semi-finished metal products that are typically used in the production of various steel products. They possess several properties and characteristics that make them suitable for such applications. Firstly, steel billets have a high strength-to-weight ratio, which makes them incredibly strong and able to withstand heavy loads. This strength is derived from the carbon content in the steel, which enhances its structural integrity. Secondly, steel billets have excellent heat conductivity, allowing for efficient heat transfer during various manufacturing processes. This property makes them ideal for applications that involve high-temperature operations, such as forging and rolling. Moreover, steel billets possess good machinability, meaning they can be easily shaped and formed into desired products. This property is essential in the manufacturing industry, as it allows for the production of complex and customized steel components. Steel billets also exhibit excellent ductility, which enables them to be stretched and molded without breaking. This characteristic is crucial in applications where the steel needs to be bent or formed into various shapes. Additionally, steel billets have a high resistance to corrosion, making them suitable for use in outdoor or corrosive environments. This property ensures the longevity and durability of steel products made from billets. Furthermore, steel billets can be easily welded, allowing for the fabrication of large and complex structures. Their weldability makes them versatile and adaptable to different construction and manufacturing needs. Lastly, steel billets have a consistent and uniform composition, ensuring high-quality and reliable steel products. This consistency is achieved through precise manufacturing processes and strict quality control measures. In conclusion, steel billets possess several properties and characteristics that make them highly desirable in the production of steel products. Their high strength, heat conductivity, machinability, ductility, corrosion resistance, weldability, and consistent composition make them essential in various industries, including construction, automotive, and manufacturing.
- Q:How are steel billets used in the production of pipes?
- Steel billets are melted and then cast into a solid form, which is then rolled or forged to form pipes of various sizes and shapes. These billets serve as the raw material for the pipe production process and are essential in ensuring the strength, durability, and structural integrity of the pipes.
- Q:What are the common surface defects in steel billets during reheating?
- During the reheating process of steel billets, several common surface defects may occur. These defects can have a negative impact on the quality and integrity of the final product. Some of the most common surface defects in steel billets during reheating include: 1. Scale Formation: When steel billets are exposed to high temperatures, a layer of iron oxide, known as scale, can form on the surface. Scale is brittle and can easily crack or flake off, leading to a rough and uneven surface. 2. Decarburization: Decarburization is the loss of carbon from the surface of the steel billets due to exposure to high temperatures. This can result in a reduced carbon content on the surface, making it prone to cracking, reduced hardness, and poor mechanical properties. 3. Surface Oxidation: Steel billets can undergo oxidation when exposed to oxygen in the air during reheating. This can lead to the formation of a thin layer of oxide on the surface, affecting the surface finish and potentially reducing the corrosion resistance of the steel. 4. Overheating: Overheating during reheating can cause localized melting or partial melting of the steel billets. This can result in surface irregularities, such as pits, cracks, or blisters, which compromise the integrity of the billets. 5. Hot Spots: Uneven heating of the steel billets can lead to the formation of hot spots on the surface. These localized areas of excessive heat can cause surface defects like warping, cracking, or surface defects like scorching or discoloration. 6. Surface Contamination: During reheating, steel billets can come into contact with contaminants, such as dirt, oil, or other foreign materials. These contaminants can adhere to the surface of the billets, leading to surface defects like stains, pitting, or uneven surface finish. 7. Thermal Shock: Rapid changes in temperature during reheating can cause thermal shock, leading to surface defects like cracks or distortions. This can occur when the steel billets are exposed to water or a cooling medium or when there are substantial temperature differences across the surface of the billets. To minimize these surface defects in steel billets during reheating, proper heating techniques, control of heating rates, and the use of protective coatings or atmospheres can be employed. Additionally, regular inspection and quality control measures can help identify and mitigate surface defects before they affect the final product's quality.
- Q:How are steel billets used in the manufacturing of forgings?
- Steel billets are used in the manufacturing of forgings as they serve as the initial raw material. These billets are heated and then shaped using a variety of forging techniques such as hammering or pressing, resulting in the desired forged product. The high strength and malleability of steel make it an ideal material for forgings used in various industries, including automotive, aerospace, and construction.
- Q:How are steel billets inspected for surface finish?
- Steel billets are inspected for surface finish using different methods and techniques to ensure quality and compliance with industry standards. One common method is visual inspection, where trained inspectors visually examine the surface of the billet for any defects such as scratches, pits, cracks, or any other irregularities. This inspection is typically done under proper lighting conditions to enhance the visibility of any imperfections. Another method used is non-destructive testing (NDT), which includes techniques such as magnetic particle inspection (MPI) and liquid penetrant inspection (LPI). MPI involves applying a magnetic field to the billet and then applying a magnetic particle suspension that will reveal any surface defects by adhering to them. LPI, on the other hand, involves applying a liquid penetrant solution to the surface of the billet, which is then removed and followed by the application of a developer that highlights any defects. Ultrasonic testing (UT) is another commonly used technique for inspecting the surface finish of steel billets. UT utilizes high-frequency sound waves that are transmitted through the billet, and any reflected waves are analyzed to detect any surface or subsurface defects. This method can provide detailed information about the surface condition and can detect even minute flaws. In addition to these methods, surface profilometers can be used to measure the roughness of the billet's surface. These devices use a stylus or laser to measure the height variations on the surface, providing data on the roughness and texture. Overall, steel billets undergo thorough inspection for surface finish using a combination of visual inspection, NDT techniques, and surface profilometry. These inspections help ensure that the billets meet the required surface finish standards and are suitable for further processing or manufacturing.
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Prime quality square alloy steel billet 175mm Q235
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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