China newly Square Steel Billets Size 60-150mm 3sp/ 5sp for sale
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 15597 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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Billets, or ingots (as they sometimes referred to), are not of practical use until they have been formed into
more functional shapes and sizes. While they have already been put in the furnace, they still require a series
of shaping and molding procedures such as hot and cold working, milling and cutting before they are sold in
hardware stores, or used for different applications. The unformed billets, however, can be used in striking
currency such as coins and as reserves, similar to gold bars.
The billet is mainly divided into two kinds from the shape:
Slab: cross section width and height of the ratio of the larger, mainly used for rolling plate.
Qaulity:own factory, stable quality
Tolerance: Strictly according to the G/B and JIS standard
Delivery time: within 45 days after receiving the L/C or advanced T/T payment.
Price term: FOB/CIF/ CFR according to clients requirements
Payment terms: 100%Irrevercable L/C at sight or T/T
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 |
Our service :
We have a plant and professional team to provide our best service, from the start of production until the
loading into the vessel, we have a complete quality follow up procedure, to assure our products arrives to the customer with satisfaction. Welcome new and old customers
to contact us for future business relationships! We will give you a surpise price.
Packing :
Within 30 days
1.Standard export package
2.In bundles with steel strips
3.As the requirements of the customers
FAQ:
Q: What is payment terms?
A: FOB 30% T/T IN ADVANCE AS DEPOSIT AND 70% T/T BEFORE SHIPMENT
CIF and CFR 30% T/T IN ADVANCE AS DEPOSIT AND 70% T/T AS THE COPY OF B/L OR L/C AT SIGHT
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: What is the difference between steel billets and steel ingots?
- Steel billets and steel ingots are both semi-finished steel products, but they differ in terms of their shape and manufacturing process. Steel billets are rectangular or square-shaped bars that are typically produced through a continuous casting process. This involves pouring molten steel into molds and allowing it to solidify into the desired shape. Billets are usually used as raw material for further processing, such as rolling or forging, to produce finished steel products like bars, rods, or wire. On the other hand, steel ingots are large, solid blocks of steel that are typically produced through a traditional casting process. In this process, molten steel is poured into large molds and allowed to cool and solidify. Ingots are usually used for the production of larger steel components or as feedstock for forging or rolling operations. They are often remelted and refined before being processed into the final product. In terms of size, billets are generally smaller and have a cross-sectional area ranging from 36 to 155 square inches. Ingots, on the other hand, are larger and have a cross-sectional area exceeding 155 square inches. Both steel billets and steel ingots serve as intermediary products in the steel manufacturing industry. The choice between using billets or ingots depends on the specific requirements of the final steel product and the manufacturing process involved.
- Q: How are steel billets inspected for internal and surface defects?
- Steel billets are inspected for internal and surface defects through a variety of methods to ensure their quality and integrity. For internal defects, one common method is ultrasonic testing (UT), where high-frequency sound waves are transmitted through the billet. Any discontinuities or defects within the billet will cause the sound waves to reflect back to the receiver, indicating the presence of a flaw. UT can detect defects such as cracks, voids, and inclusions within the billet. Another technique used for inspecting internal defects is magnetic particle inspection (MPI). This method involves applying a magnetic field to the billet and then coating it with iron particles. Any internal defects or cracks will disrupt the magnetic field, causing the iron particles to gather at these locations and become visible under proper lighting conditions. When it comes to surface defects, visual inspection is typically the first step. Trained inspectors visually examine the billet for any visible irregularities, such as cracks, pits, scratches, or deformities. They may also use specialized equipment like magnifying glasses or microscopes to ensure a thorough inspection. In addition to visual inspection, surface defects can also be detected using other non-destructive testing techniques. One common method is dye penetrant testing (PT), where a colored liquid dye is applied to the billet's surface. The dye seeps into any surface defects and is later removed, leaving behind a visible indication of the defect. This method is particularly effective in detecting surface cracks or discontinuities. Another technique used for surface defect inspection is eddy current testing (ECT). ECT relies on the principle that a fluctuating magnetic field induces electrical currents in conductive materials like steel. Any surface defects or irregularities will disrupt the induced currents, which can be detected by monitoring changes in the electrical properties of the billet. ECT is commonly used to detect surface cracks, pits, or variations in thickness. Overall, a combination of these inspection methods allows for a comprehensive evaluation of steel billets, ensuring that both internal and surface defects are detected and addressed before the billets are further processed or used in various applications.
- Q: How are steel billets used in the production of automotive components?
- Steel billets are a crucial raw material used in the production of automotive components. In the manufacturing process, steel billets are heated and then forged or rolled into various shapes and sizes to create the desired automotive parts. These billets serve as a starting point for the production of components such as engine blocks, crankshafts, connecting rods, axles, and suspension parts. The high strength and durability of steel make it an ideal material for these critical components, ensuring the safety and performance of automobiles. Once heated, the steel billets are subjected to various shaping processes, such as hot forging or hot rolling. Hot forging involves applying pressure to the heated billet using a die to create the desired shape. This process not only gives the component its final shape but also improves its mechanical properties by aligning the steel's grain structure. Hot rolling, on the other hand, involves passing the heated billet through a series of rolling mills to gradually reduce its thickness and shape it into a specific profile. This process is commonly used for producing long automotive components like axles or suspension parts. After the shaping process, the automotive components undergo additional manufacturing steps like heat treatment, machining, and surface finishing to enhance their strength, precision, and aesthetic appeal. Steel billets offer several advantages in automotive component production. Their excellent mechanical properties, including high strength, toughness, and wear resistance, make them ideal for withstanding the demanding conditions and loads experienced by automotive parts. Additionally, steel's ability to be easily shaped and formed allows manufacturers to create complex and intricate designs, ensuring optimal functionality and performance. In conclusion, steel billets play a vital role in the production of automotive components by providing the raw material that is shaped and formed into various critical parts. The strength, durability, and versatility of steel make it an essential material for ensuring the safety, reliability, and performance of automobiles.
- Q: What are the main factors affecting the heat resistance of steel billets?
- There are several main factors that can affect the heat resistance of steel billets. Firstly, the chemical composition of the steel plays a crucial role. Elements such as carbon, chromium, and nickel can enhance the heat resistance of steel by forming stable oxide layers on the surface that act as a protective barrier against high temperatures. Additionally, the presence of alloying elements like molybdenum and vanadium can also improve the heat resistance of steel by increasing its hardenability and reducing grain growth during heat treatment. Another important factor is the microstructure of the steel. Fine-grained structures tend to have higher heat resistance due to their increased strength and reduced susceptibility to thermal fatigue. Heat treatment processes like quenching and tempering can also alter the microstructure and improve the heat resistance of steel billets. The rate of heating and cooling also affects the heat resistance of steel. Rapid heating or cooling can lead to thermal shock and result in the formation of cracks or distortion in the billets. It is essential to control the heating and cooling rates to minimize these detrimental effects and maintain the desired heat resistance. Furthermore, the presence of impurities or defects within the steel can significantly impact its heat resistance. Inclusions, such as sulfur, phosphorus, and non-metallic oxides, can act as stress concentrators and reduce the heat resistance of steel. Similarly, internal defects like voids, cracks, or segregation regions can promote crack initiation and propagation during thermal cycles, thereby reducing the overall heat resistance of the steel billets. Lastly, the mechanical properties of the steel, such as its tensile strength, hardness, and ductility, can influence its heat resistance. Higher strength and hardness can generally enhance the heat resistance, while excessive ductility may lead to deformation or failure under high-temperature conditions. In summary, the main factors affecting the heat resistance of steel billets include the chemical composition, microstructure, rate of heating and cooling, presence of impurities or defects, and the mechanical properties of the steel. Understanding and optimizing these factors can help in producing steel billets with improved heat resistance for various applications.
- Q: How are steel billets used in the manufacturing of tools and equipment?
- Steel billets are an essential raw material used in the manufacturing of tools and equipment. These billets are semi-finished metal forms, typically in a rectangular or square shape, that are further processed to produce a wide range of products. To begin with, steel billets are heated and then subjected to a process called hot rolling. During this process, the billets are passed through a series of rollers, which gradually reduce their thickness and shape them into desired forms. This can include bars, rods, sheets, or even more complex shapes depending on the specific requirements of the tool or equipment being manufactured. Once the desired shape is achieved, the steel billets are further processed through various techniques such as forging, machining, and heat treatment. Forging involves applying pressure to shape the billets into specific tool components, while machining is used to refine the shape and dimensions of the parts. Heat treatment, on the other hand, helps to enhance the mechanical properties of the steel, making it stronger, more durable, and resistant to wear and tear. The resulting steel components are then assembled and integrated into the manufacturing of tools and equipment. These can include a wide range of products such as wrenches, hammers, drills, cutting tools, industrial machinery, and even large-scale equipment used in sectors like construction and manufacturing. Steel billets are preferred for tool and equipment manufacturing due to their excellent mechanical properties. Steel is known for its high strength, toughness, and durability, making it an ideal material for applications that require resistance to heavy loads, impact, and wear. Furthermore, steel can be easily machined, welded, and formed into various shapes, allowing manufacturers to create tools and equipment with intricate designs and precise dimensions. In summary, steel billets play a crucial role in the manufacturing of tools and equipment. Through the process of hot rolling, forging, machining, and heat treatment, steel billets are transformed into high-quality components that form the foundation of various tools and equipment. The versatility and superior mechanical properties of steel make it an indispensable material in the manufacturing industry.
- 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: How are steel billets used in the production of pipe fittings?
- The production of pipe fittings heavily relies on steel billets, which are a vital raw material. Pipe fittings, which are essential components for connecting and controlling fluid flow in piping systems, are manufactured from steel billets. To make steel billets suitable for manufacturing pipe fittings, they are initially heated to a specific temperature. This heating process makes the billets malleable and easier to work with. Subsequently, the billets undergo a series of processes, such as hot rolling, forging, or extrusion, depending on the desired shape and size of the pipe fitting. During hot rolling, the steel billet is passed through rollers that apply pressure and shape it into a cylindrical form. This particular shape is ideal for producing pipe fittings like elbows, tees, reducers, and couplings. Forging involves subjecting the steel billet to extreme heat and pressure, enabling it to be shaped into complex and custom designs. This method is commonly used to manufacture high-pressure pipe fittings that require exceptional strength and durability. Extrusion is another method employed in the production of pipe fittings. In this process, the steel billet is forced through a die with the desired cross-sectional shape, resulting in pipe fittings with consistent outer and inner diameters. Once the desired shape is achieved, the pipe fittings undergo further processing, such as cutting, threading, or welding, to create the final product. These additional steps ensure that the fittings are prepared for installation and can be securely connected to the piping system. In essence, steel billets are crucial in the production of pipe fittings as the primary raw material. Through processes like hot rolling, forging, or extrusion, they are transformed into a wide range of pipe fittings used in various industries and applications.
- Q: What are the different types of steel billet machining processes?
- There are several types of steel billet machining processes, including turning, milling, drilling, and grinding. Each of these processes involves different techniques and tools to shape and refine the steel billet into the desired form or component.
- Q: How do steel billets contribute to the defense industry?
- Steel billets contribute to the defense industry by serving as a primary material for manufacturing various defense equipment and vehicles. These billets are used to produce armored vehicles, tanks, naval vessels, aircraft carriers, submarines, and military-grade weapons. The high strength and durability of steel make it ideal for creating protective structures and components that can withstand extreme conditions, ballistic impacts, and explosive forces. Additionally, steel billets are also utilized in the construction of defense infrastructure, such as military bases and facilities.
- Q: What are the different heat treatment processes for steel billets?
- There are several different heat treatment processes that can be used for steel billets, each with its own purpose and benefits. Some of the common heat treatment processes for steel billets include annealing, normalizing, quenching, tempering, and case hardening. 1. Annealing: This process involves heating the steel billets to a high temperature and then slowly cooling them to room temperature. The purpose of annealing is to reduce the hardness of the steel, improve its machinability, and relieve internal stresses. It also helps in refining the grain structure, making the steel more ductile and less brittle. 2. Normalizing: In normalizing, the steel billets are heated to a temperature above the critical range and then cooled in still air. This process is used to refine the grain structure, improve mechanical properties, and enhance machinability. Normalizing also helps in relieving internal stresses and achieving uniformity in microstructure. 3. Quenching: Quenching involves rapidly cooling the steel billets by immersing them in a quenching medium such as oil, water, or brine. This process is designed to harden the steel by transforming the austenite phase into martensite. Quenching results in a hard and brittle steel with improved wear resistance, but it also introduces residual stresses and the potential for cracking. 4. Tempering: After quenching, the steel billets are often tempered to reduce brittleness and improve toughness. Tempering involves reheating the quenched steel to a lower temperature and holding it for a specific period of time. This process helps in relieving stresses, reducing hardness, and improving ductility without sacrificing too much strength. 5. Case Hardening: Case hardening is a process used to increase the surface hardness of steel billets while maintaining a tough and ductile core. There are different methods of case hardening, such as carburizing and nitriding. Carburizing involves introducing carbon into the surface of the steel by heating it in a carbon-rich environment, while nitriding introduces nitrogen to form a hard nitride layer on the surface. These processes enhance wear resistance and extend the lifespan of the steel billets. These heat treatment processes for steel billets offer manufacturers the ability to tailor the properties of the steel to meet specific application requirements. By carefully selecting and implementing the appropriate heat treatment process, the resulting steel billets can exhibit a wide range of mechanical properties, such as hardness, strength, toughness, and wear resistance.
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China newly Square Steel Billets Size 60-150mm 3sp/ 5sp for sale
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 15597 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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