Chrome alloy square steel billet made in China
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 15000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Size:
100mm to 165mm
Grade:
Q195/Q215/Q235/Q275
Length:
6~12meters
Steel billet
(ingot) by cogging or breakdown of semifinished products, is the raw material of all kinds of steel mill.
Billet section of square, round, flat, rectangular and abnormity of several kinds of, mainly related to the
shape of rolled products.
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.
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.
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 are the specifications for alloy steel billets used in the aerospace industry?
- Depending on the specific application and requirements, the specifications for alloy steel billets used in the aerospace industry can vary. However, there are commonly followed general specifications. To begin with, the alloy steel billets used in the aerospace industry must adhere to strict material standards, such as the Aerospace Material Specification (AMS) and the International Organization for Standardization (ISO) standards. These standards guarantee that the material meets the aerospace industry's rigorous demands for mechanical properties, chemical composition, and overall quality. Regarding mechanical properties, the alloy steel billets must possess high strength, exceptional toughness, and good fatigue resistance. These properties are essential for the components of aircraft to withstand the extreme conditions and stress they experience during operation. In addition, precise control of the chemical composition of the alloy steel billets is necessary to ensure the desired alloying elements are present in the correct proportions. Chromium, molybdenum, nickel, and vanadium are common alloying elements used in aerospace grade steels. These elements enhance the material's strength, corrosion resistance, and heat resistance. Furthermore, specific heat treatment processes are employed to achieve the desired microstructure and mechanical properties of the alloy steel billets. Processes such as quenching and tempering, solution annealing, and precipitation hardening are commonly used to optimize the material's strength, hardness, and ductility. The size and shape of the alloy steel billets also play a vital role in their usability. They are typically manufactured in various cross-sectional shapes, such as round, square, and rectangular, to accommodate different aerospace component designs. The billets must be produced with precise dimensions and tight tolerances to ensure compatibility with manufacturing processes and enable the production of high-quality aerospace components. Overall, the specifications for alloy steel billets used in the aerospace industry prioritize high mechanical strength, exceptional toughness, strict control of chemical composition, precise dimensions, and tailored heat treatment processes. These rigorous requirements guarantee that the alloy steel billets meet the demanding performance and safety standards necessary in the aerospace industry.
- Q: What are the major steel billet producing countries?
- The major steel billet producing countries include China, India, Russia, Japan, and the United States.
- Q: What is the drop per minute of the billet temperature at 850?
- Cold rolling is not considered. The initial rolling temperature (surface) of the billet is generally 1000-1150 degrees. Generally, the temperature decreases gradually during the rolling process (a small section of high speed wire has a temperature rising process), usually above 750 degrees
- Q: which companies are, and how the billet sales, how can we sell billet to ask for advice, thank you
- The main mold manufacturers, equipment manufacturers, military departments, measuring and cutting tools manufacturers.As for sales, one to information, two to high quality and low price, three to find relations.
- Q: What are the main factors affecting the machinability of alloy steel billets?
- The machinability of alloy steel billets is influenced by several key factors. Firstly, the alloy composition of the steel plays a significant role. Different alloying elements, such as chromium, nickel, molybdenum, and vanadium, can affect the machinability of the steel. Elements that form hard carbides, such as chromium and molybdenum, tend to decrease machinability, while elements that promote the formation of softer carbides, such as nickel and vanadium, can enhance machinability. Secondly, the heat treatment of the alloy steel billets can greatly impact machinability. Heat treatment processes like annealing, normalizing, or quenching and tempering can alter the microstructure and hardness of the steel. Proper heat treatment can improve machinability by reducing hardness and increasing toughness, while improper heat treatment can result in increased hardness and decreased machinability. Thirdly, the presence of impurities and inclusions in the alloy steel billets can affect machinability. Inclusions, such as sulfides, oxides, and non-metallic particles, can cause tool wear and chip breakability issues during machining. Therefore, the cleanliness and purity of the alloy steel billets are crucial factors in determining machinability. Furthermore, the mechanical properties of the alloy steel, such as hardness, strength, and ductility, can influence machinability. Higher hardness and strength levels can make machining more challenging, while increased ductility and toughness can improve machinability. Lastly, the cutting conditions and machining parameters, such as cutting speed, feed rate, depth of cut, and tool material, also impact machinability. Optimal cutting conditions should be selected based on the specific alloy steel composition and desired machinability. Adequate cooling and lubrication during machining are also essential to reduce friction and heat, preventing tool wear and improving machinability. In conclusion, the machinability of alloy steel billets is influenced by factors such as alloy composition, heat treatment, impurities and inclusions, mechanical properties, and cutting conditions. Proper consideration of these factors can help optimize the machinability of alloy steel and ensure efficient and effective machining processes.
- Q: How are steel billets shaped into rods or wires?
- Steel billets are shaped into rods or wires through a process called hot rolling. Hot rolling involves passing the steel billets through a series of rollers at high temperatures. The first step is to heat the billets to a temperature above their recrystallization point, typically around 1200-1300 degrees Celsius. This temperature ensures that the steel is soft and malleable, making it easier to shape. Once the billets are heated, they are then fed through a series of rollers that gradually reduce their thickness and shape them into the desired rod or wire. These rollers apply pressure to the billets, causing them to elongate and decrease in thickness. The number of rollers and their configurations may vary depending on the specific requirements of the rod or wire being produced. During the hot rolling process, the steel undergoes plastic deformation due to the applied pressure and high temperatures. This plastic deformation allows the steel to change its shape without breaking or cracking. The continuous rolling and reduction of thickness gradually transform the billets into rods or wires. After the steel has been rolled to the desired size and shape, it is then cooled, typically through a process known as air cooling. This cooling process allows the steel to retain its new shape and hardness. The cooled rods or wires can then be further processed, such as through additional heat treatments or surface treatments, to enhance their properties and meet specific requirements. Overall, the hot rolling process is essential in shaping steel billets into rods or wires. It allows for the precise control of dimensions and properties while ensuring the final product meets the desired specifications.
- Q: What are the different types of steel used in manufacturing steel billets?
- Steel billets are manufactured using various types of steel, including carbon steel, stainless steel, alloy steel, and tool steel. 1. Carbon Steel: The most commonly used steel for manufacturing steel billets is carbon steel. It contains a small percentage of carbon (typically 0.05% to 0.25%), which provides it with strength and durability. Carbon steel is versatile and can be used in a wide range of applications. 2. Stainless Steel: Stainless steel is highly regarded for its corrosion resistance and high strength. It contains chromium, which forms a protective oxide layer on the surface, preventing rust and corrosion. Stainless steel is commonly used in applications where resistance to moisture and chemicals is necessary, such as in the construction of bridges and buildings. 3. Alloy Steel: Alloy steel is created by adding different alloying elements to carbon steel, including manganese, nickel, chromium, and molybdenum. These elements enhance the steel's properties, such as its strength, hardness, and resistance to wear and tear. The automotive and aerospace industries frequently employ alloy steel. 4. Tool Steel: Tool steel is specifically designed to possess high hardness, resistance to abrasion, and the ability to withstand high temperatures. It is frequently utilized in the production of cutting tools, molds, and dies. Tool steel typically comprises a combination of alloying elements, such as tungsten, vanadium, and cobalt. These examples represent a few of the diverse types of steel employed in the manufacturing of steel billets. The selection of the specific steel type relies on the desired properties and intended application of the steel billets.
- Q: What is the role of steel billets in the manufacturing of hydraulic systems?
- Steel billets play a crucial role in the manufacturing of hydraulic systems. They serve as the raw material that is used to create various components and structures within these systems. Hydraulic systems rely on the use of pressurized fluid to transmit power and control mechanical motion. Therefore, the components within these systems need to be strong, durable, and resistant to corrosion and pressure. Steel billets provide the ideal starting material for manufacturing hydraulic system components due to their exceptional strength and toughness. They are typically made from carbon steel, which offers excellent mechanical properties such as high tensile strength and hardness. These properties ensure that the components can withstand the high pressures and forces experienced within hydraulic systems without deforming or failing. Furthermore, steel billets undergo various manufacturing processes such as forging, machining, and heat treatment to shape them into the desired components. These processes allow for the creation of intricate designs and precise dimensions, ensuring a proper fit and functionality within the hydraulic system. Moreover, steel billets are known for their excellent resistance to corrosion, which is crucial in hydraulic systems due to the presence of fluids and potential exposure to moisture. Corrosion can lead to component failure, leaks, and decreased system performance. The use of steel billets helps prevent such issues, ensuring the longevity and reliability of the hydraulic system. In summary, steel billets are essential in the manufacturing of hydraulic systems as they provide the necessary strength, durability, and corrosion resistance required for the components within these systems. Their versatility and ability to be shaped and processed make them an ideal material choice for creating reliable and efficient hydraulic systems.
- Q: What are the international standards or certifications for steel billets?
- There are several international standards and certifications that apply to steel billets, which ensure their quality, safety, and compliance with industry regulations. One of the most recognized standards is the ISO 9001 certification, which sets the criteria for a quality management system. This certification ensures that the manufacturing process of steel billets meets international quality standards and that the products are consistently produced to meet customer requirements. In addition to ISO 9001, there are other certifications specific to the steel industry. The ISO 14001 certification focuses on environmental management systems, ensuring that the production of steel billets follows environmentally sustainable practices. This certification demonstrates a commitment to minimizing the environmental impact and promoting sustainable development. Another important certification is the ISO 45001, which focuses on occupational health and safety management. This certification ensures that steel billet manufacturers have implemented effective safety protocols and procedures to protect their employees and prevent accidents in the workplace. Furthermore, the American Society for Testing and Materials (ASTM) establishes standards for steel billets, such as ASTM A615/A615M for deformed and plain carbon-steel bars for concrete reinforcement. These standards specify the mechanical properties, chemical composition, and testing methods for steel billets used in construction applications. The European Committee for Standardization (CEN) also sets standards for steel billets through the European Norm (EN) system. For instance, EN 10025 specifies the technical delivery conditions for structural steel products, including steel billets, used in various industries across Europe. It is important for steel billet manufacturers to adhere to these international standards and certifications to ensure the quality, safety, and compliance of their products. Adhering to these standards not only enhances the credibility and reputation of the manufacturer but also provides assurance to customers that the steel billets they are purchasing meet the highest industry standards.
- Q: What are the main factors affecting the weldability of steel billets?
- The main factors affecting the weldability of steel billets include the composition of the steel, the presence of impurities, the presence of alloying elements, the size and shape of the billets, and the heat treatment of the steel.
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Chrome alloy square steel billet made in China
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 15000 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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