chrome alloy square mild steel billets prime billet steel for building
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 800000 m.t./month
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square steel billets
Specifications of square steel billets
100 X 100
125 X 125
150 X 150
Physical Properties:
Description | As per IS 2830 | Shyam Billets |
Bend (max.) | 5 mm per meter | >= 5 mm per meter |
Carbon (max.) | 3mm per meter | >= 3 mm per meter |
Length | 3 mt - 13 mt | 3 mt - 9 mt |
Chemical Properties:
Ladle Analysis: | ||
Designation | Carbon | Manganese |
C15 | 0.12-0.18 | 0.30-0.60 |
C18 | 0.15-0.21 | 0.30-0.60 |
C20 | 0.17-0.23 | 0.30-0.60 |
C15 MMn | 0.12-0.18 | 0.60-1.00 |
C18 MMn | 0.15-0.21 | 0.60-1.00 |
C20 MMn | 0.17-0.23 | 0.60-1.00 |
C15 HMn | 0.12-0.18 | 1.00-1.50 |
C18 HMn | 0.15-0.21 | 1.00-1.50 |
C20 HMn | 0.17-0.23 | 1.00-1.50 |
Chemical Analysis: | |||
Grade | Sulphur | Phosphorous | Carbon Equivalent (CE)1 |
Max | Max | Max | |
A | 0.05 | 0.05 | 0.42 |
B | 0.045 | 0.045 | 0.41 |
C | 0.04 | 0.04 | 0.39 |
The Detail of steel billet
Name: | steel billets |
LENGTH: | 6 meter to 12 meter (+ 50mm) |
Size: | 100*100, 120*120, 150*150, 200*200 |
Grade: | 3SP,5SP,Q235,20MnSi. |
Shape: | Square, Round |
Technique: | Hot-Rolled |
Standard: | ASTM/GB |
BENDING | No more than 5mm in 1 meter |
ANGULAR TWIST | No more than 1 degree per meter and not more than 6 degree over 12 meter length. |
Chemical composition | C, Si, Mn, P, S, N, Cr |
Chemical Properties steel billet
Size | 60*60/90*90/100*100/120*120/150*150 |
Length | 6000mm-12000mm |
Standard | GB |
Applicaton | To produce bars or other applications |
Grade | Q195/Q235/Q275/3SP/5SP/20MnSi |
Packing terms | TT/LC |
Package | Mill's standard packing or as client's requirment |
Delivery time | Within 10-30 days after receiving the deposit or LC |
Chemical Composition steel billet
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 |
- Q:What are the typical dimensions and weight of steel billets?
- The specific dimensions and weight of steel billets can differ depending on the requirements of the industry or application. However, as a general rule, steel billets are rectangular and have a length that is several times greater than its width and height. The width of steel billets usually falls within the range of 100mm to 200mm, while the height typically ranges from 100mm to 300mm. In terms of length, steel billets can measure anywhere between 3,000mm and 6,000mm. These dimensions may vary depending on the particular use, as different industries may have specific demands for their steel billets. In regards to weight, steel billets typically weigh anything from a few hundred kilograms to several metric tons. The weight is influenced by multiple factors, including the dimensions, density, and grade of steel utilized. It is vital to note that steel billets can be tailored to meet specific weight requirements, especially in industries such as construction, automotive, and manufacturing, where precise weight specifications are indispensable. In summary, the dimensions and weight of steel billets can fluctuate based on industry needs, but they generally maintain a rectangular shape and can range from a few hundred kilograms to several metric tons.
- Q:What are the different sizes and shapes of steel billets?
- Steel billets come in a variety of sizes and shapes depending on the intended use and production method. Generally, steel billets are rectangular in shape with varying dimensions. Commonly used sizes range from 100mm x 100mm to 300mm x 300mm, with lengths typically falling between 3 and 12 meters. In addition to the standard rectangular shape, steel billets can also be produced in other shapes to cater to specific requirements. Some examples include round billets, square billets, and octagonal billets. Round billets, as the name suggests, have a circular cross-section, while square billets have four equal sides. Octagonal billets have eight sides, providing increased surface area and improved thermal conductivity. The choice of size and shape of steel billets depends on various factors such as the type of steel being produced, the desired strength and durability, and the manufacturing process. These factors influence the final product's properties and its ability to withstand specific applications, such as construction, automotive manufacturing, or machinery production.
- Q:What are the different types of steel billets available?
- There are several different types of steel billets available, each with its own unique properties and uses. Some of the most common types include: 1. Carbon Steel Billets: These are made primarily of iron and carbon, with trace amounts of other elements. They are known for their high strength and durability, making them suitable for a wide range of applications such as construction, automotive, and machinery manufacturing. 2. Alloy Steel Billets: As the name suggests, these billets are made by adding various alloying elements such as chromium, nickel, or manganese to the carbon steel. This enhances the mechanical properties of the steel, making it more resistant to corrosion, wear, and heat. Alloy steel billets are commonly used in the production of tools, gears, and high-strength components. 3. Stainless Steel Billets: These billets contain a minimum of 10.5% chromium, which gives them excellent corrosion resistance. Stainless steel billets are widely used in industries such as food processing, chemical, and medical, where hygiene and resistance to rust are crucial. 4. Tool Steel Billets: Designed for applications requiring high hardness, wear resistance, and toughness, tool steel billets are often used in the production of cutting tools, dies, and molds. They are made by adding elements such as tungsten, vanadium, or molybdenum to carbon steel, resulting in a material capable of withstanding extreme conditions. 5. Low Alloy Steel Billets: These billets contain small amounts of alloying elements, typically less than 5%, such as manganese, silicon, or copper. They offer improved strength, toughness, and weldability compared to carbon steel, making them suitable for structural applications in construction and engineering. 6. Microalloyed Steel Billets: Also known as HSLA (High-Strength Low-Alloy) steel, microalloyed steel billets contain small amounts of niobium, vanadium, or titanium. This results in a fine-grained microstructure and enhanced strength, allowing the production of lighter and more efficient structures in industries such as automotive and aerospace. These are just a few examples of the different types of steel billets available. Each type has its own specific properties and applications, and choosing the right type depends on the intended use and desired characteristics of the final product.
- Q:How is the surface condition of steel billets checked?
- The surface condition of steel billets is typically checked through visual inspection, where trained personnel examine the surface for any defects such as cracks, pitting, or surface irregularities. Additionally, non-destructive testing methods such as ultrasonic examination may also be used to detect any internal defects that may not be visible to the naked eye.
- Q:What are the different surface treatment methods used for steel billets?
- Some of the different surface treatment methods used for steel billets include shot blasting, pickling, and galvanizing. Shot blasting involves propelling steel shots at high speeds to remove any mill scale or surface impurities. Pickling involves immersing the billets in an acid solution to remove any oxide layers and create a clean surface. Galvanizing involves coating the billets with a layer of zinc to provide corrosion resistance. Other methods such as painting, phosphating, and powder coating may also be used for specific applications.
- Q:What are the main factors affecting the ductility of steel billets?
- There are several main factors that affect the ductility of steel billets. Firstly, one of the most significant factors is the carbon content in the steel. Higher carbon content generally reduces ductility and makes the steel more brittle. This is because carbon atoms tend to form strong bonds with iron atoms, resulting in a harder and less malleable material. Secondly, the composition of other alloying elements in the steel can also influence ductility. Elements such as manganese, silicon, and phosphorus can have different effects on the steel's ductility depending on their concentration. For example, manganese can enhance ductility while phosphorus can decrease it. Thirdly, the heat treatment process can have a significant impact on the ductility of steel billets. Rapid cooling, known as quenching, can increase the strength of the steel but may also reduce its ductility. On the other hand, annealing, which involves heating the steel and then slowly cooling it, can improve the ductility of the material. Additionally, the presence of impurities and defects in the steel can affect its ductility. Inclusions, such as non-metallic particles, can act as stress concentrators and reduce the material's ability to deform plastically. Similarly, cracks, voids, and other defects can also weaken the steel and decrease its ductility. Lastly, the grain size of the steel can influence its ductility. Fine-grained steels tend to have higher ductility compared to coarse-grained ones. This is because smaller grain boundaries provide more obstacles for dislocation movement, leading to increased resistance to deformation. Overall, the ductility of steel billets is influenced by various factors, including carbon content, alloying elements, heat treatment, impurities and defects, and grain size. Understanding and controlling these factors is essential for ensuring the desired ductility properties of steel.
- Q:How are steel billets used in the production of seamless tubes?
- Steel billets are used in the production of seamless tubes as they serve as the raw material for the manufacturing process. These billets are heated and pierced to create a hollow tube shape, which is then elongated and shaped to the desired dimensions. The high-quality and consistent properties of steel billets ensure seamless tubes with excellent strength, durability, and resistance to corrosion, making them suitable for various industries such as construction, automotive, and oil and gas.
- Q:How are steel billets used in the manufacturing of automotive chassis?
- Due to their strength and durability, steel billets are essential in the production of automotive chassis. Obtained through casting molten steel into a rectangular shape, they serve as the raw material for various automotive components, including the chassis. The automotive chassis provides structural support and stability to the vehicle, bearing the load and impacts during driving. The main frame of the chassis, made from steel billets, forms the backbone of the vehicle. To shape the steel billets, they are heated and passed through rolling mills. This process increases their strength and rigidity, making them suitable for the demanding conditions of the chassis. The billets are then welded together using techniques like arc welding or laser welding to create the chassis structure. This ensures a solid and reliable connection that can withstand the stresses and forces experienced during operation. Using steel billets in the manufacturing of automotive chassis offers several advantages. Steel's high tensile strength allows it to withstand heavy loads and impacts without deforming or failing. It also has excellent fatigue resistance, ensuring the structural integrity of the chassis under repeated stress cycles. Additionally, steel is readily available, cost-effective, and easily recyclable, making it a preferred choice for automotive manufacturers. Its excellent corrosion resistance is crucial for vehicles exposed to various weather conditions and road environments. In conclusion, steel billets are crucial for manufacturing automotive chassis as they provide the necessary strength and durability. Shaped and welded together, they form the main frame of the chassis, ensuring the safety and performance of the vehicle under demanding driving conditions.
- Q:What are the different methods of steel billet surface honing?
- There are various techniques available for honing the surface of steel billets, each serving a specific purpose and yielding distinct outcomes. Some commonly employed methods are as follows: 1. Manual Honing: This traditional approach entails the use of handheld honing tools, such as stones or abrasive pads, to manually eliminate imperfections or roughness from the steel billet's surface. Skilled operators meticulously rub the honing tool along the billet's surface until the desired level of smoothness is attained. 2. Mechanical Honing: To automate the honing process, mechanical honing machines are employed. These machines are equipped with rotating abrasive stones or pads that traverse the billet's surface, eliminating any irregularities. Mechanical honing allows for a more consistent and precise honing process, with the ability to control factors such as pressure, speed, and contact area. 3. Diamond Honing: Diamond honing is a specialized technique that utilizes tools coated with diamond particles to achieve a high level of precision and smoothness. The diamond particles on the honing tool offer superior cutting capabilities, enabling the removal of even the smallest imperfections. This method is often utilized for honing high-quality steel billets that necessitate a flawless surface finish. 4. Hydrohoning: Also known as abrasive flow machining, hydrohoning involves employing a viscous abrasive medium that is forced through the internal passages of the billet to eliminate surface irregularities. This method is particularly effective for honing complex shapes or hard-to-reach internal surfaces. The abrasive medium can be adjusted to obtain different levels of surface finish. 5. Electrochemical Honing: Electrochemical honing combines the principles of electrochemical machining and honing. It involves utilizing a specialized electrolyte solution and a honing tool with an electrode to remove material from the billet's surface. This method is effective for honing hard materials and achieving a smooth, mirror-like finish. These represent only a selection of the diverse methods available for honing the surface of steel billets. The choice of technique relies on factors such as the desired surface finish, the complexity of the billet's shape, the material being honed, and the level of precision required.
- Q:What are the different surface treatments for improved surface cleanliness in steel billets?
- Improving surface cleanliness in steel billets can be achieved through various surface treatments. These treatments aim to eliminate impurities, oxides, and contaminants from the billet surface, resulting in a more uniform and cleaner appearance. One commonly used surface treatment is pickling, which involves immersing the steel billets in an acid solution. By dissolving and removing any oxides or scale present on the surface, pickling not only cleans the billet but also enhances the adhesion of subsequent coatings or treatments. Another option for surface treatment is shot blasting or abrasive blasting. This method entails propelling abrasive materials, like steel shot or grit, at high speeds onto the billet surface. The impact of these abrasive particles effectively eliminates contaminants, rust, or scale, thereby achieving a cleaner surface. Shot blasting is particularly suitable for preparing steel billets for further processing or coating. Chemical cleaning serves as another technique to enhance cleanliness in steel billets. This process involves employing chemical agents to dissolve and eliminate contaminants from the surface. Depending on the type and severity of the contaminants, different chemicals, such as alkaline or acid-based solutions, can be used. Chemical cleaning proves effective in removing stubborn contaminants or residues from the billet surface. Moreover, mechanical cleaning methods, namely wire brushing or grinding, can contribute to improved surface cleanliness. These approaches involve physically removing contaminants or scale from the surface using mechanical means. Wire brushing utilizes wire bristles to scrub the surface, while grinding employs abrasive materials to eliminate imperfections or contaminants. In summary, the selection of a surface treatment for enhancing cleanliness in steel billets depends on several factors, including the specific contaminants, desired cleanliness level, and intended application. It is crucial to consider the effectiveness, cost, and environmental impact of each treatment method to identify the most suitable option.
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chrome alloy square mild steel billets prime billet steel for building
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 800000 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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