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 main steel billet producing countries?
- China, India, Russia, Japan, and the United States are the primary countries responsible for the production of steel billets. China takes the lead as the largest producer, accounting for approximately half of the global output. Following closely behind is India, which has also emerged as a major player in the steel industry. Russia, known for its abundant reserves of iron ore and coal, is also a significant producer of steel billets. Japan, being a highly industrialized nation, has a well-established steel industry and makes a significant contribution to global production. Lastly, the United States, with its advanced technology and large steel mills, also plays a significant role in steel billet production. These countries not only cater to domestic consumption but also export to meet the global demand for steel products.
- Q: Can steel billets be used in the production of oil and gas equipment?
- Yes, steel billets can be used in the production of oil and gas equipment. Steel billets are semi-finished metal products that are commonly used as raw materials for the manufacturing of various industrial products, including oil and gas equipment. They can be further processed through hot rolling or forging to produce different components such as pipes, valves, flanges, and fittings that are essential for the oil and gas industry. The high strength and durability of steel make it an ideal material for withstanding the harsh conditions and high pressures encountered in oil and gas operations. Additionally, steel billets can be customized to meet specific requirements such as corrosion resistance, heat resistance, and mechanical properties, ensuring the suitability of the final product for its intended application in the oil and gas sector.
- Q: How are steel billets recycled at the end of their lifespan?
- At the end of their lifespan, steel billets are recycled through a process known as steel scrap recycling. This involves collecting the steel billets and segregating them from other materials. The billets are then cleaned to remove any contaminants and sorted based on their composition and quality. The next step in the recycling process is to melt the steel billets in a furnace. The high temperatures in the furnace cause the steel to melt, separating it from any impurities. Various techniques, such as electric arc furnaces or basic oxygen furnaces, can be used for this purpose. Once the steel has melted, it is then cast into new billets or other steel products such as bars, rods, or sheets, depending on the desired end product. The molten steel is poured into molds to form the desired shape and then cooled down to solidify. After solidification, the newly formed steel billets are further processed to remove any surface imperfections and give them the desired dimensions. This can involve processes like hot rolling, cold rolling, or heat treatment to enhance the mechanical properties of the steel. The recycled steel billets can then be used in various industries, including construction, automotive, and manufacturing, to produce a wide range of products. By recycling steel billets, the lifespan of the material is extended, reducing the need for virgin steel production and conserving valuable natural resources. Additionally, recycling steel billets helps to reduce energy consumption and greenhouse gas emissions associated with the production of new steel. Overall, the recycling process for steel billets at the end of their lifespan is a crucial component of the circular economy, promoting sustainability and resource efficiency in the steel industry.
- Q: How are steel billets used in the production of agricultural equipment?
- Steel billets are an essential component in the production of agricultural equipment due to their versatility and durability. These billets are semi-finished steel products that are shaped into a solid rectangular form, making them ideal for various manufacturing processes. In the production of agricultural equipment, steel billets are typically used as the raw material for forging, casting, or rolling processes. Forging involves heating the billets to a specific temperature and then shaping them into the desired form using a hammer or press. This process is commonly used to create components such as plowshares, tiller blades, and harrow teeth, which require superior strength and resistance to wear and tear. Casting is another method used in agricultural equipment production, where molten steel is poured into a mold and left to solidify. Steel billets are melted and cast into intricate shapes, allowing manufacturers to create complex components like tractor engine blocks, combine harvester parts, or even agricultural machinery frames. The ability to cast steel billets into various shapes enables the production of customized equipment that meets specific requirements. Rolling is another technique that utilizes steel billets in the production of agricultural equipment. These billets are heated and then passed through a series of rollers to reduce their size and shape them into different profiles, such as bars, rods, or sheets. Rolled steel billets are commonly used in the manufacturing of components like axles, shafts, and brackets, which are crucial for the functionality of agricultural machinery. One of the key reasons steel billets are preferred in agricultural equipment production is their inherent strength and durability. The agricultural industry demands robust machinery that can withstand harsh environments, heavy loads, and repetitive use. Steel billets offer exceptional strength, allowing manufacturers to create equipment that can endure these demanding conditions. Additionally, steel billets can be further strengthened through heat treatment processes, such as quenching and tempering, to enhance their mechanical properties. In conclusion, steel billets play a vital role in the production of agricultural equipment. Their versatility and durability enable manufacturers to create components and machinery that can withstand the challenging conditions of the agricultural industry. Whether used in forging, casting, or rolling processes, steel billets provide the necessary strength and reliability required for efficient and long-lasting agricultural equipment.
- Q: How are steel billets used in the production of tooling?
- Steel billets are used in the production of tooling as the starting material for shaping and forming various types of tools. These billets are heated, forged, and machined to create the desired shape and size of the tool. The high strength and durability of steel make it an ideal material for tooling applications, ensuring that the tools can withstand the rigorous demands of their intended use.
- Q: How are steel billets marked for identification?
- Various techniques and methods are utilized to mark steel billets for identification. One common approach involves the use of marking stamps or dies, which contain specific alphanumeric characters or symbols that are pressed onto the billet's surface. This results in a permanent and visible mark that can be easily read and identified. Another method involves applying paint or ink to the surface of the billet, creating a distinct color or pattern. This mark can be visually inspected and compared to the corresponding identification code. In addition to manual methods, some steel billets are marked using laser engraving or etching. This precise technique utilizes a laser beam to remove a thin layer of material from the billet's surface, leaving a permanent identification mark. Laser marking is highly accurate and can produce detailed marks, including barcodes or QR codes that can be easily scanned for identification purposes. Furthermore, identification marks may be applied during the manufacturing process. These marks can include information such as steel grade, batch number, manufacturer's logo, or other relevant details. Hot stamping, embossing, or engraving techniques are commonly employed to ensure durability and visibility of these marks. Overall, a combination of manual techniques, such as marking stamps or paint marking, along with advanced methods like laser engraving or etching, are used to mark steel billets for identification. These identification marks play a vital role in traceability, quality control, and ensuring proper handling and usage of steel billets in various industrial applications.
- Q: What are the different types of steel billet surface treatment defects?
- There are several types of steel billet surface treatment defects that can occur during the manufacturing process. These defects can affect the quality and appearance of the steel billets, and it is important to identify and address them to ensure the overall performance of the final product. 1. Scale: Scale is a common defect that occurs when the steel billet is exposed to high temperatures during the manufacturing process. It appears as a layer of oxide on the surface of the billet, which can affect the adhesion of coatings or paints. 2. Inclusions: Inclusions are non-metallic particles or impurities that can be present on the surface of the steel billet. These inclusions can be caused by various factors, such as inadequate cleaning or improper handling during the manufacturing process. They can negatively impact the mechanical properties of the steel and reduce its overall performance. 3. Decarburization: Decarburization is a defect that occurs when the surface layer of the steel billet loses its carbon content due to exposure to high temperatures or a lack of protective atmosphere. This can lead to reduced hardness and strength in the affected area. 4. Pitting: Pitting is a localized defect that appears as small cavities or pits on the surface of the steel billet. It can be caused by the presence of impurities or by exposure to corrosive environments. Pitting can compromise the structural integrity of the billet and make it more susceptible to corrosion. 5. Surface cracks: Cracks can occur on the surface of the steel billet due to various factors, such as thermal stress, improper handling, or inadequate cooling. Surface cracks can weaken the billet and increase the risk of failure during subsequent processing or use. 6. Surface roughness: Surface roughness refers to an uneven or irregular surface texture on the steel billet. It can be caused by factors such as improper machining, inadequate cleaning, or the presence of scale or inclusions. Surface roughness can affect the appearance of the billet and may also impact its performance in certain applications. Overall, it is crucial to identify and address these surface treatment defects to ensure the quality and reliability of steel billets. Proper manufacturing processes, including adequate cleaning, protective atmospheres, and appropriate handling, can help minimize the occurrence of these defects and ensure the optimal performance of the final product.
- Q: How are steel billets used in the production of shipbuilding materials?
- Steel billets are an essential component in the production of shipbuilding materials. Shipbuilding requires materials that are strong, durable, and capable of withstanding harsh marine environments. Steel billets, which are semi-finished steel products, play a crucial role in meeting these requirements. Firstly, steel billets are used to produce various types of steel plates, which form the foundation of shipbuilding materials. These plates are cut and shaped according to the specific design requirements, such as hull plating, bulkheads, decks, and superstructures. Steel billets provide the raw material needed to create these plates, ensuring that they possess the necessary strength and structural integrity. Additionally, steel billets are utilized in the manufacturing of shipbuilding sections and profiles. These sections include beams, angles, channels, and other structural components that provide support and reinforcement to the ship's structure. These sections are often formed by heating the steel billets and then shaping them through processes like rolling, forging, or extrusion. This allows for the creation of custom-shaped sections that can be seamlessly integrated into the ship's construction. Moreover, steel billets are also used in the production of shipbuilding forgings, which are high-strength components that require exceptional mechanical properties. Forgings are crucial for critical ship parts like propeller shafts, rudder components, and engine parts. Steel billets are heated and then shaped using forging techniques to create these components, ensuring they possess the necessary strength, toughness, and resistance to fatigue. Overall, steel billets are a fundamental raw material used extensively in shipbuilding. They are transformed into various forms such as plates, sections, and forgings, which are then incorporated into the construction of ships. The use of steel billets ensures that shipbuilding materials meet the stringent requirements for strength, durability, and performance in marine environments.
- Q: What is the billet price in China today?
- Building materials tend to be stable, the price is good to pick up the trend, the overall no big changes, specific to my steel network detailed inquiries, information here will be updated every day
- Q: What are the main factors affecting the hardenability of stainless steel billets?
- The main factors affecting the hardenability of stainless steel billets are the chemical composition of the steel, the cooling rate during heat treatment, and the presence of alloying elements such as chromium, nickel, and molybdenum. The chemical composition determines the steel's ability to form martensite, a hard and brittle phase, during quenching. The cooling rate influences the transformation of austenite, the high-temperature phase, into martensite. Alloying elements enhance the hardenability by promoting the formation of martensite and improving the steel's ability to retain its hardness upon cooling.
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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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