Steel Billet from China Alibaba Q215 Q235 Q275
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17684 m.t./month
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Specification
Size:
100mm to 165mm
Length:
6~12meters
Grade:
Q195/Q215/Q235/Q275
Price term:
FOB/CIF/ CFR according to clients requirements
Payment terms:
100%Irrevercable L/C at sight or T/T
Steel billets have distinct characteristics as compared with already furnished steel bars and products. Billets
have a specific grain structure, which enables the metal to be processed more intricately. Steel billets are also
known for their malleability and ductility, especially when exposed to varying temperatures during shaping and
molding.
Used for the plant, the bridge,shipment building high-rise building construction,lifting and transportation machinery, equipment manufracturing base building the support
foundation pile manufacturing.
Gade:
Standard | C(%) | Mn(%) | S(%) | P(%) | Si(%) |
Q195 | ≤0.12 | ≤0.50 | ≤0.040 | ≤0.035 | ≤0.30 |
Q235 | ≤0.20 | ≤1.40 | ≤0.045 | ≤0.045 | ≤0.35 |
Q275 | ≤0.22 | ≤1.50 | ≤0.045 | ≤0.045 | ≤0.35 |
20MnSi | 0.17-0.25 | 1.2-1.6 | ≤ 0.050 | ≤ 0.050 | 0.40-0.80 |
3SP | 0.14-0.22 | 0.40-0.85 | ≤ 0.050 | ≤ 0.040 | 0.05-0.15 |
5SP | 0.28-0.37 | 0.50-1.00 | ≤ 0.050 | ≤ 0.040 | 0.15-0.30 |
Other Specifications
Squar Tolerance: ±4
Length Tolerance: +100mm
Romboidity/Difference Diagonals: no more than 0.7%
Camber: no more than 1.5%(%)
Twist: no more than 3 degrees per 1 meter length
Our Advantage
* Professional Personnel of Steel Trading
* Strong Steel Industry Background
* Conveniently Geographic Location
Our Commitment
* Sincere, Practical, Efficient and Developing
* High Quality Steel Production
* Competitive Price and Timely Delivery
Packing :
Within 30 days
1.Standard export package
2.In bundles with steel strips
3.As the requirements of the customers
FAQ:
Q: How to get quotation?
A: When we receive your detailed enquiry, we will set the best price based on standard,
steel grade, outer diameter, wall thickness, quantity, country.
And we will send quotation to your mailbox.
Q:How to guarantee the quality of the products?
A:We have established the international advanced quality management system,every link from raw material
to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market.
At the same time, we will provide necessary follow-up service assurance.
Q:How long can we receive the product after purchase?
A :In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.
The pecific time of receiving is related to the state and position of customers.
- Q:How are steel billets used in the production of rebar?
- Steel billets are an essential raw material in the production of rebar. Rebar, also known as reinforcing bar, is a steel reinforcement used in concrete structures to provide strength and stability. The process of making rebar begins with the production of steel billets. Steel billets are solid, semi-finished steel products that are typically square or rectangular in shape. They are formed through the casting process, where molten steel is poured into molds and allowed to solidify. Once solidified, the billets are ready to be used in various applications, including the production of rebar. To produce rebar, the steel billets are first heated to a high temperature in a furnace. This process, known as hot rolling, softens the steel and makes it malleable. The heated billets are then passed through a series of rolling mills, where they are shaped into long, cylindrical rods with a specific diameter. During the rolling process, the steel billets are subjected to intense pressure and heat, which helps to align the grains of the steel and increase its strength. The rods are continuously rolled until they reach the desired dimensions and length. After the rolling process, the rods are cooled and cut into standard lengths to be sold as rebar. The resulting rebar is a strong and durable steel reinforcement that is widely used in construction projects. It is typically embedded in concrete structures, such as buildings, bridges, and highways, to enhance their load-bearing capacity and resist tension and bending forces. The use of rebar helps to prevent cracking and failure of concrete structures, ensuring their long-term durability and safety. In summary, steel billets are crucial in the production of rebar as they are transformed through the hot rolling process into long, cylindrical rods. These rods, once cooled and cut, serve as the essential reinforcement in concrete structures, providing strength and stability to the overall construction.
- Q:What are the different surface finishes available for steel billets?
- There are several different surface finishes available for steel billets, depending on the specific requirements and applications. Some of the commonly used surface finishes include: 1. Hot Rolled: This is the most basic surface finish obtained by rolling the steel billets at high temperatures. It results in a rough and scaled surface, which is suitable for applications where aesthetics are not a concern. 2. Cold Rolled: In this process, the steel billets are rolled at room temperature to achieve a smoother and more polished surface finish. Cold rolling helps to improve the dimensional accuracy and surface quality of the billets. 3. Pickled and Oiled: This surface finish involves the removal of scale and rust from the steel billets by using an acid solution, followed by an oil coating to prevent corrosion. It provides a clean and rust-free surface, commonly used in the automotive and construction industries. 4. Galvanized: Galvanizing involves the application of a zinc coating to the steel billets to protect them from corrosion. This surface finish provides excellent corrosion resistance, making it suitable for outdoor applications, such as fencing, roofing, and structural components. 5. Passivated: Passivation is a chemical process that removes free iron from the steel surface, enhancing its corrosion resistance. This surface finish is commonly used in the production of stainless steel billets to improve their resistance to rust and other forms of corrosion. 6. Shot Blasting: Shot blasting involves the projection of small abrasive particles onto the steel billets' surface to remove scale, rust, and other impurities. This process results in a textured and uniform surface finish, ideal for applications where improved adhesion is required, such as painting or coating. 7. Polished: Polishing is a mechanical process that involves the use of abrasive materials to smoothen the surface of steel billets and achieve a high-gloss finish. This surface finish is often used in decorative applications, such as furniture, architectural components, and jewelry. It is important to note that the choice of surface finish for steel billets depends on various factors, including the intended application, desired aesthetics, and the level of corrosion resistance required.
- Q:Can steel billets be used in the production of automotive components?
- Yes, steel billets can be used in the production of automotive components. Steel billets are raw, semi-finished steel products that can undergo further processing, such as rolling, forging, or machining, to create various automotive parts like engine blocks, suspension components, gears, and more. The use of steel billets allows for the production of high-strength and durable automotive components, making them a popular choice in the automotive industry.
- Q:What are the different forging methods used for steel billets?
- Steel billets can be forged using different methods, each with its own advantages and applications. Open Die Forging is a method where the steel billet is shaped between flat dies. This allows for flexibility in design and size, making it suitable for larger and more complex parts that require customization, like shafts, cylinders, and discs. Closed Die Forging, also known as impression die forging, involves shaping the steel billet within a set of dies that contain the desired shape. It is ideal for producing high-precision and complex parts with tight tolerances, such as gears, connecting rods, and crankshafts. Upset Forging is a method that involves increasing the cross-sectional area of the steel billet by compressing it between dies. This is commonly used for creating short-length parts like bolts, screws, and fasteners. Roll Forging uses cylindrical rolls to gradually shape the steel billet into the desired form. It is often used to produce long parts with a consistent cross-section, such as bars, rods, and shafts. Press Forging utilizes a hydraulic or mechanical press to shape the steel billet, providing greater control over the forging process. This method is often employed for manufacturing automotive components, aerospace parts, and tools. Isothermal Forging involves heating the steel billet and the dies to the same temperature, reducing the cooling effect during forging. This allows for greater control over the microstructure and mechanical properties of the final product, making it suitable for producing parts that require high strength and temperature resistance. Each forging method has its own benefits, allowing steel billets to be shaped into a wide range of products with varying complexity, size, and mechanical properties. The choice of forging method depends on factors such as the desired product, material properties, production volume, and cost considerations.
- Q:What are the main factors affecting the machined surface quality of steel billets?
- The machined surface quality of steel billets is significantly influenced by various main factors. These factors encompass the following: 1. Cutting Speed: The speed at which the tool traverses the billet's surface plays a vital role in determining the surface quality. Higher cutting speeds can generate excessive heat, resulting in thermal damage and subpar quality. Hence, it is crucial to identify the optimal cutting speed to attain a high-quality machined surface. 2. Feed Rate: The rate at which the tool advances into the material during machining is referred to as the feed rate. A high feed rate can cause excessive tool wear, leading to poor surface quality. Conversely, a low feed rate may induce chatter or vibration, causing surface irregularities. Striking the right balance is essential to achieve a smooth and high-quality machined surface. 3. Tool Geometry: The shape, angle, and edge sharpness of the cutting tool significantly impact the surface quality. Tool geometry affects chip formation and the interaction between the tool and the billet. Proper tool geometry can minimize cutting forces, vibration, and improve chip evacuation, resulting in an enhanced surface finish. 4. Cutting Fluid: The choice and application of cutting fluids exert a substantial influence on the surface quality of machined steel billets. Cutting fluids serve multiple purposes, such as cooling the tool and workpiece, lubricating the cutting process, and removing chips. Appropriate selection and application of cutting fluids can reduce friction, heat generation, and tool wear, thereby enhancing surface quality. 5. Billet Material and Hardness: The material composition and hardness of the steel billet also affect the machined surface quality. Different steels exhibit varying levels of machinability, with some being more susceptible to issues like work hardening or built-up edge formation. Harder materials generally necessitate robust cutting tools and specific machining techniques to achieve the desired surface quality. 6. Machine Rigidity and Stability: The rigidity and stability of the machine employed for machining steel billets are crucial factors influencing surface quality. Any deflection or vibration in the machine tool can result in subpar surface finish and dimensional accuracy. Therefore, ensuring proper machine setup, alignment, and maintenance is essential to minimize unwanted vibrations and maximize surface quality. In summary, a combination of the aforementioned factors, along with appropriate cutting parameters and machining techniques, is indispensable for achieving a high-quality machined surface on steel billets. Adjusting these factors based on the billet's specific characteristics and desired surface finish can optimize the machining process and enhance the overall quality of the final product.
- Q:Are steel billets used in the production of electrical appliances?
- Yes, steel billets are commonly used in the production of electrical appliances. Steel is a versatile material that offers several advantages such as strength, durability, and resistance to corrosion. It is widely used in the manufacturing of various components of electrical appliances, including the outer casing, frames, and internal structural supports. Steel billets are an intermediate product in the steel manufacturing process and can be further processed into different shapes and sizes to meet the specific requirements of electrical appliance production.
- Q:How are steel billets unloaded at the destination?
- Steel billets are typically offloaded at the destination using different techniques depending on the available infrastructure and equipment. One commonly used approach involves the utilization of cranes or forklifts that are equipped with lifting attachments. These machines have the capability to lift and move the heavy steel billets from the transport vehicle to the designated storage area or processing facility. In certain situations, a specialized unloading facility like a rail yard or port may be utilized. In these cases, cranes or gantry systems are often employed to efficiently transfer the steel billets from rail cars or shipping containers onto trucks or storage areas. This method allows for a more streamlined unloading process, especially when dealing with large quantities of steel billets. Another method that is sometimes employed involves the use of conveyor belts or rollers. This method proves particularly effective when unloading steel billets from a container or truck where they are arranged in a row. The conveyor belt or roller system permits a continuous unloading process, with the billets being moved along the conveyor to the desired location. Irrespective of the method employed, safety precautions are always implemented during the unloading process to ensure the well-being of workers and the prevention of any damage to the steel billets. These precautions may encompass the use of proper lifting techniques, securing the billets during transportation, and the wearing of appropriate personal protective equipment. In summary, the unloading of steel billets at the destination necessitates meticulous planning, efficient machinery, and adherence to safety protocols to ensure a smooth and successful operation.
- Q:What is the size and shape of steel billets?
- The intended use of steel billets determines their sizes and shapes, which can vary. Typically, they have a rectangular form and their dimensions can range from small to large. The length can vary from several inches to several feet, while the width and height can adjust accordingly. These measurements are determined by the specific needs of the steel manufacturing process and the desired final product. Furthermore, steel billets can be customized to meet specific production requirements, such as square or round shapes.
- 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:What is the role of steel billets in the production of wire rods?
- Steel billets play a crucial role in the production of wire rods. Wire rods are long, cylindrical metal rods that are commonly used in various industrial applications, such as construction, automotive, and manufacturing. The production process of wire rods begins with the melting of steel, which is typically done in an electric arc furnace or a basic oxygen furnace. Once the steel reaches the desired temperature and composition, it is poured into molds to form steel billets. Steel billets are semi-finished products that serve as the starting point for the wire rod manufacturing process. They are solid, rectangular or round bars of steel that undergo further processing to transform them into wire rods. The first step in the conversion of steel billets into wire rods is the reheating process. The billets are heated at a high temperature to make them more malleable and easier to work with. This is typically done in a reheat furnace. After reheating, the billets are passed through a series of rolling mills to reduce their size and shape them into wire rods. These rolling mills use a combination of pressure and heat to deform the steel billets and elongate them into long, thin rods. The process of rolling also helps to improve the mechanical properties of the wire rods, such as their strength and flexibility. Once the wire rods are formed, they may undergo additional treatments, such as cooling, surface treatments, and quality inspections, to meet the specific requirements of different applications. They can be further processed into various products, such as wires, cables, reinforcement bars, or other specialized components. In summary, steel billets are essential in the production of wire rods as they are the starting material that undergoes a series of processing steps, including reheating and rolling, to transform them into the desired shape and properties of wire rods.
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Steel Billet from China Alibaba Q215 Q235 Q275
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17684 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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