Prime hot rolled steel square billet mill price
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17145 m.t./month
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Specification
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.
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.
Size :100mm to 165mm
Length:6~12meters
Grade: Q195/Q215/Q235/Q275
Qaulity:own factory, stable quality
Tolerance: Strictly according to the G/B and JIS standard
Tolerance: Strictly according to the G/B and JIS standard
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: How are steel billets sheared into smaller sections?
- Steel billets are sheared into smaller sections using a hydraulic shear machine. The machine applies a strong force to the billet, causing it to be cut through its cross-section, resulting in multiple smaller sections.
- Q: How are steel billets used in the production of forgings?
- Steel billets are used as the starting material in the production of forgings. They are heated and shaped using specialized machinery and techniques to create the desired shape and size of the final forged product. The billets provide the necessary strength and durability required for forging processes, ensuring the resulting forgings possess the desired mechanical properties.
- Q: What is the role of steel billets in the construction of bridges and tunnels?
- The construction of bridges and tunnels heavily relies on steel billets, which are semi-finished steel products that undergo further processing to create various structural components for the construction industry. For bridges, steel billets are utilized to manufacture steel beams, girders, and columns, forming the core structure of the bridge. These components are essential for providing the required strength and stability to support the bridge's weight and the traffic it carries. Steel billets are chosen due to their high strength-to-weight ratio, making them ideal for constructing long-span and heavy-load bridges. Similarly, in tunnel construction, steel billets are used to create reinforcement bars or rebars. These rebars are embedded within the concrete walls and floors of tunnels, offering additional strength and support to withstand the immense pressure and weight of the surrounding soil or rock. Additionally, steel billets are also employed in fabricating tunnel linings, which protect the tunnel walls from erosion, corrosion, and other forms of deterioration. The utilization of steel billets in bridge and tunnel construction provides several advantages. Firstly, steel is a highly durable and resilient material, capable of withstanding extreme forces, temperature variations, and environmental conditions. This durability ensures the long-lasting nature and structural integrity of bridges and tunnels, reducing maintenance and repair costs over time. Secondly, steel billets can be easily shaped, molded, and welded into various intricate shapes and sizes, allowing for flexibility in design and construction. This versatility enables engineers to create innovative and efficient bridge and tunnel structures, accommodating different architectural and engineering requirements. Lastly, steel billets are renowned for their excellent load-bearing capacity, making them suitable for high-traffic areas such as bridges and tunnels. They can withstand heavy loads and distribute the weight evenly, minimizing the risk of structural failure or collapse. In conclusion, steel billets play a crucial role in the construction of bridges and tunnels by providing the necessary strength, durability, and flexibility. They form the core structure of these constructions, ensuring their stability, longevity, and ability to withstand various environmental and operational challenges.
- Q: What are the main challenges in the recycling of steel billets?
- One of the main challenges in the recycling of steel billets is the presence of impurities and contaminants that need to be removed in order to produce high-quality recycled steel. Another challenge is the need for efficient sorting and separation techniques to properly categorize and process different types of steel billets. Additionally, the energy-intensive nature of the steel recycling process poses a challenge in terms of reducing carbon emissions and achieving sustainability goals.
- Q: Are steel billets subject to any international standards?
- Yes, steel billets are subject to international standards. Several organizations such as the International Organization for Standardization (ISO) and the American Society for Testing and Materials (ASTM) have established specific standards for the production, quality, and properties of steel billets. These standards ensure consistency, safety, and interoperability in the global steel industry.
- Q: What is the chemical composition of steel billets?
- Steel billets are primarily composed of iron, with varying amounts of carbon and other alloying elements such as manganese, silicon, and trace amounts of sulfur and phosphorus.
- Q: What are the different methods of corrosion protection for steel billets?
- There are various methods available for corrosion protection of steel billets. Some of the common methods include: 1. Coating: Applying a protective coating on the surface of steel billets is one of the most effective methods of corrosion protection. This can be achieved through processes such as hot-dip galvanizing, painting, or applying a protective film. The coating acts as a barrier between the steel surface and corrosive elements in the environment, preventing direct contact and reducing the likelihood of corrosion. 2. Cathodic Protection: This method involves creating an electrochemical reaction to protect the steel billets from corrosion. Cathodic protection can be achieved by either using sacrificial anodes or by applying an impressed current. Sacrificial anodes, typically made of zinc or magnesium, are connected to the steel billets, and they corrode sacrificially instead of the steel, thus protecting it. Impressed current systems use an external power source to provide the necessary current to protect the steel. 3. VCI (Volatile Corrosion Inhibitors): VCI is a method that involves using chemicals that release vapors to create a protective layer on the steel surface. These chemicals inhibit the corrosion process by neutralizing the corrosive agents or forming a protective film on the steel surface. VCI can be applied through various methods, such as coating, wrapping, or inserting VCI paper or packets into the packaging of steel billets. 4. Alloying: Introducing alloying elements into the composition of steel billets can significantly improve their corrosion resistance. For example, adding chromium or nickel can enhance the stainless properties of steel, making it more resistant to corrosion. Alloying can be done during the initial production of steel billets or through post-treatment processes. 5. Environmental Control: Controlling the environment in which steel billets are stored or used is also crucial in preventing corrosion. This includes measures such as maintaining proper humidity levels, avoiding exposure to corrosive chemicals or gases, and minimizing contact with water or moisture. By controlling the environment, the likelihood of corrosion can be reduced, thereby protecting the steel billets. It is important to note that the choice of corrosion protection method depends on various factors, including the anticipated level of exposure to corrosive elements, the intended use of the steel billets, and cost considerations. Therefore, it is advisable to consult with corrosion experts or engineers to select the most suitable method for a particular application.
- Q: How are steel billets used in the manufacturing of wire products?
- Wire products rely on steel billets as a crucial element in their production. These billets serve as the initial material for the wire manufacturing process. Typically, steel billets are semi-finished items that take the form of rectangular or square shapes. Molten steel is solidified to create these billets, which then undergo various shaping techniques to achieve the desired dimensions. The first step in using steel billets for wire production involves heating them to a specific temperature in a furnace. This procedure, known as annealing, serves to soften the steel and increase its malleability. Consequently, it becomes easier to mold the billets into wire shapes. Once the billets have been heated and softened, they are subjected to a series of rollers and drawing dies. These machines gradually decrease the cross-sectional area of the billets, elongating them into the desired wire diameter. Wire drawing is the term used to describe the process of reducing the billets' diameter. Throughout the wire drawing process, the steel billets undergo multiple passes through the rollers and drawing dies. Each pass further reduces the diameter of the billets until they reach the desired wire size. This continuous reduction in diameter also enhances the mechanical properties of the wire, such as tensile strength and ductility. Following the wire drawing process, the steel wire is typically wound onto spools or reels for additional processing or distribution. Depending on its intended use, the wire may undergo further treatments, such as heat treatment or surface coating, to enhance its properties or provide protection against corrosion. In conclusion, steel billets are utilized in wire product manufacturing through a series of steps involving heating, shaping, and drawing through rollers and dies to reduce their diameter and transform them into wire shapes. This process enables the production of wires with varying dimensions and properties, making them suitable for a wide array of applications in industries such as construction, automotive, electrical, and manufacturing.
- Q: What are the different types of steel billet quality control tests?
- There are several different types of steel billet quality control tests that are conducted to ensure the integrity and suitability of the billets for further processing. These tests are essential in detecting any defects or inconsistencies in the billets, and they help to maintain the desired quality standards in the steel industry. Some of the common types of steel billet quality control tests include: 1. Visual Inspection: This test involves a visual examination of the billets to identify any surface defects such as cracks, seams, or dents. It is the most basic form of quality control and can be performed quickly. 2. Dimensional Inspection: In this test, the dimensions of the billets are measured and compared against the specified tolerances. This ensures that the billets are within the required size range and meet the dimensional requirements for subsequent processing. 3. Chemical Composition Analysis: This test involves analyzing the chemical composition of the steel billets to ensure that they meet the specified chemical requirements. It includes determining the percentages of various elements such as carbon, manganese, sulfur, and phosphorus. 4. Mechanical Testing: This test is performed to evaluate the mechanical properties of the steel billets, such as tensile strength, yield strength, and elongation. These properties are crucial in determining the suitability of the billets for specific applications. 5. Ultrasonic Testing: This non-destructive testing method uses ultrasonic waves to detect internal defects in the billets, such as cracks or voids. It is particularly useful in identifying hidden defects that may not be visible during visual inspection. 6. Magnetic Particle Inspection: This test involves applying a magnetic field to the billets and then applying magnetic particles to the surface. Any surface or near-surface defects will cause the particles to gather, indicating the presence of a defect. 7. Eddy Current Testing: This method uses electromagnetic induction to detect surface defects or variations in the billets' electrical conductivity. It is effective in identifying cracks, voids, or inconsistencies in the billets' microstructure. 8. Microstructure Analysis: This test involves examining the microstructure of the steel billets under a microscope to assess their homogeneity, grain size, and presence of any undesirable phases. It helps in determining the overall quality and suitability of the billets for further processing. These tests, along with various other specific tests, form an integral part of steel billet quality control. By conducting these tests, manufacturers can ensure that the billets meet the required standards and possess the necessary properties for their intended applications.
- Q: What are the different methods of surface inspection for steel billets?
- Steel billets can undergo various methods of surface inspection to identify defects or irregularities. These include visual inspection, magnetic particle inspection, liquid penetrant inspection, ultrasonic inspection, and eddy current inspection. The simplest and most commonly used method is visual inspection, where inspectors visually examine the billet surface for visible defects such as cracks, pits, or irregularities. This method relies on the expertise and experience of the inspector. Magnetic particle inspection involves the use of magnetic fields and particles to detect surface and near-surface defects. By applying a magnetic field and particles to the billet surface, any defects attract particles, making them visible under proper lighting. Liquid penetrant inspection is another method used to detect surface defects. It involves applying a penetrant to the surface, which seeps into defects. After removing excess penetrant, a developer is applied to draw out the penetrant from the defects, making them visible. Ultrasonic inspection uses high-frequency sound waves to detect internal and surface defects. Sound waves are emitted into the billet using a transducer, and the reflected waves are analyzed to identify defects such as cracks, voids, and inclusions. Eddy current inspection is a non-destructive testing method that uses electromagnetic induction to detect surface defects. By moving a probe over the billet surface and passing an alternating current through it, any irregularities or defects disrupt the current flow, which can be detected and analyzed. Each method has its own advantages and limitations, and the choice depends on specific inspection requirements and constraints. Manufacturers utilize these methods to ensure the quality and reliability of steel billets before further processing or use in various applications.
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Prime hot rolled steel square billet mill price
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17145 m.t./month
OKorder Service Pledge
OKorder Financial Service
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