hot rolled steel billet

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 20000 m.t./month

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Product Description:

Packaging & Delivery

Packaging Detail:	in bundles
Delivery Detail:	according to the quantity

Specifications

square steel billet
1.3SP, 5SP
2.terms of payment: L/C at sight
3.size: 120*120mm
4.length: 5.8~12m

square steel billet

Specifications

square steel billets
1)We procure world class quality steel billets which meets the specific requirements of the clients

The Billets produced by the company can be broadly divided into three main types i.e.

M.S. Billets
CRS Billets
Special Alloy Billets

M.S. Billets are used for rolling of TMT Re-Bars of Fe415 and Fe500 Grade and various other structural steel products.

CRS Billets are used fro rolling of CRS TMT Re-Bars.

Special Alloy Billets are used for rolling of any special grade TMT Re-Bars like Earthquake resistant TMT Re-Bars and for special grade structural steel products.

The following are the sizes of Billets available with Shyam Steel Industries Ltd.:

100 X 100
120x120
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

Billets of different designations are manufactured in three different grades namely A, B, C having sulphur, phosphorous content (on ladle analysis) and carbon equivalent as follows:

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

Q: What are steel billets?: Steel billets are semi-finished metal products that are rectangular in shape and usually have a square cross-section. They are produced through a process called casting or continuous casting, where liquid steel is poured into molds and allowed to cool and solidify. Once cooled, the billets are typically hot-rolled or forged to give them their final shape and dimensions. Steel billets serve as a raw material for the production of various steel products, such as bars, rods, wires, and structural sections. They are commonly used in the construction industry for structural purposes, as well as in the manufacturing of automotive parts, pipes, and machinery. The quality of steel billets is crucial, as it directly affects the quality and performance of the final steel products. Therefore, they undergo rigorous quality checks and testing to ensure they meet the required standards for strength, durability, and other mechanical properties. Overall, steel billets play a vital role in the steel industry as a primary raw material for the production of a wide range of steel products, making them an essential component in various sectors of the economy.

Q: What are the main factors that affect the international trade of steel billets?: The international trade of steel billets is affected by various factors. These factors include the state of the global economy, government policies and regulations, currency exchange rates, technological advancements, environmental and sustainability considerations, and political stability and geopolitical factors. The global economy plays a vital role in determining the demand and supply of steel billets. Economic growth and stability in major importing and exporting countries impact the overall demand for steel products. A strong economy leads to increased construction and infrastructure projects, boosting the demand for steel billets. Government policies and regulations significantly impact the international trade of steel billets. Trade policies, import/export regulations, and tariffs imposed by governments can directly affect the competitiveness and cost of steel billets in the international market. Currency exchange rates influence the competitiveness of steel billets in international markets. Fluctuations in exchange rates can affect the demand and prices of steel billets. Technological advancements in steel production and manufacturing processes affect the international trade of steel billets. Improvements in production efficiency and the development of new steel grades can give certain countries a competitive advantage. Increasingly, environmental regulations and sustainability concerns are becoming important factors in international trade. Countries with stricter environmental regulations may require steel billet exporters to meet certain standards or obtain certifications, affecting their competitiveness. The demand for sustainable and low-carbon steel products also influences the trade of steel billets. Political stability and geopolitical factors can impact the international trade of steel billets. Political instability, conflicts, or trade disputes can disrupt supply chains and create uncertainties in the international trade of steel billets. In conclusion, the international trade of steel billets is influenced by economic, regulatory, technological, environmental, and geopolitical factors. Stakeholders in the steel industry need to understand and monitor these factors to make informed decisions in the global market.

Q: Can steel billets be forged into complex shapes?: Yes, steel billets can be forged into complex shapes. The forging process involves heating the steel billet to a specific temperature, typically above its recrystallization temperature, and then applying pressure to shape it into the desired form. This can be done using various forging techniques such as open die forging, closed die forging, or impression die forging. Steel is a highly malleable material, which means it can be easily shaped and deformed under heat and pressure. This property allows steel billets to be forged into intricate and complex shapes, including gears, turbine blades, automotive parts, and many other components used in various industries. The forging process not only shapes the steel billet but also improves its mechanical properties, making it stronger and more durable. Additionally, the forged steel has a refined grain structure, which enhances its toughness and resistance to fatigue and cracking. However, forging complex shapes from steel billets requires skilled craftsmanship and specialized equipment. The process may involve multiple steps, including pre-forming, rough forging, and finish forging, to achieve the desired shape and dimensions. Computer-aided design (CAD) and computer-aided manufacturing (CAM) technologies are often used to optimize the forging process and ensure accurate and precise results. In conclusion, steel billets can indeed be forged into complex shapes. The forging process harnesses the malleability of steel and transforms it into intricate components with improved mechanical properties.

Q: How are steel billets forged into shape?: The process of hot forging is utilized to shape steel billets. It entails heating the billet to a temperature that enables easy manipulation, typically ranging from 1100 to 1250 degrees Celsius. Once heated, the billet is positioned on a die, which is a specially designed tool with a cavity that imparts the desired shape onto the final product. Pressure is exerted on the billet by a large mechanical or hydraulic press, compelling it to fill the die cavity. This pressure induces the steel to flow and take the shape of the die, resulting in the intended form of the forged item. Depending on the product's size and complexity, the pressure applied during forging can reach several thousand tons. Throughout the forging process, the steel billet undergoes plastic deformation, causing its internal structure to rearrange and the metal grains to align. This grain alignment enhances the mechanical properties of the forged product, increasing its strength and durability. To achieve the final dimensions and features, additional operations such as trimming, piercing, or punching may be conducted after the initial shaping. These post-forging operations can be carried out while the steel is still hot or after it has cooled down. Once the desired shape is attained, the forged product is slowly cooled to alleviate any residual stresses and prevent cracking. This cooling process, known as annealing, enhances the metallurgical properties of the steel and improves its overall performance. To summarize, the hot forging process involves heating the steel billet, placing it on a die, applying high pressure to shape it, and subsequently cooling it to optimize its mechanical properties. This process enables the transformation of steel into various intricate shapes, making it a versatile and extensively used material across multiple industries.

Q: What is the role of steel billets in the automotive industry?: Steel billets are of utmost importance in the automotive industry as they are crucial in the production of various vehicle components and parts. Essentially, steel billets are semi-finished steel products that undergo further processing to achieve the desired shape and size necessary for automotive applications. One primary application of steel billets in the automotive sector is in the production of engine and transmission components. These components, including crankshafts, connecting rods, camshafts, gears, and others that require high strength and durability, rely on steel billets as raw material for forging or casting. This ensures that they can withstand the demanding conditions of engine operation. Another significant use of steel billets in the automotive industry is for the manufacturing of structural components. These components, such as chassis frames, suspension parts, and body panels, need to possess high strength and stiffness to provide safety and rigidity to the vehicle. Steel billets undergo various techniques like hot rolling, cold rolling, or extrusion to produce the necessary forms and shapes required for these structural components. Furthermore, steel billets are also employed in the production of essential fasteners like bolts, nuts, and screws, which are crucial for assembling different parts of the vehicle. These fasteners must possess excellent tensile strength and resistance to vibration and corrosion, making steel billets an ideal choice for their manufacture. Additionally, steel billets find application in the production of various other automotive components, including axles, wheel hubs, brake discs, and steering system parts. All these components require the superior mechanical properties offered by steel billets, such as high strength, toughness, and resistance to wear and tear. In conclusion, steel billets play a vital role in the automotive industry as they serve as raw material for the production of engine and transmission components, structural components, fasteners, and other crucial parts. Their exceptional mechanical properties make them an ideal choice for applications that demand high strength, durability, and reliability, ensuring the safety and performance of vehicles on the road.

Q: What are the different types of steel billet forging defects?: Some common types of steel billet forging defects include surface cracks, internal voids or cavities, improper grain flow, and dimensional inconsistencies. Other defects may include porosity, inclusions, and decarburization.

Q: What is the role of steel billets in the manufacturing of fasteners?: Steel billets play a crucial role in the manufacturing of fasteners. Fasteners are essential components used to join two or more objects together, providing stability and strength. Steel billets, being semi-finished products, are the starting point for producing fasteners. The first step in the manufacturing process is to heat the steel billets to a specific temperature, typically around 1200-1300 degrees Celsius, to make them malleable. Heating the billets allows for easier shaping and manipulation during subsequent processes. Once the billets are heated, they are then passed through a series of dies, which exert tremendous pressure to shape them into the desired fastener form. The dies are designed with the specific dimensions and shape required for the particular type of fastener being produced, such as bolts, screws, or nuts. During the shaping process, the steel billets undergo deformation and compression, resulting in the formation of the fastener's basic structure and form. The pressure applied by the dies ensures that the fasteners have the necessary strength and durability to sustain the forces they will encounter when used for their intended applications. Furthermore, steel billets are chosen for fastener manufacturing due to their inherent properties. Steel is known for its exceptional strength, toughness, and resistance to corrosion, making it an ideal material for fasteners. By starting with high-quality steel billets, the resulting fasteners will possess these desirable attributes, ensuring their reliability and longevity once installed. In summary, steel billets are instrumental in the production of fasteners. They serve as the raw material that undergoes shaping and deformation to ultimately form the desired fastener shape. The use of steel billets ensures that the resulting fasteners possess the necessary strength, durability, and corrosion resistance required for their intended applications.

Q: What are the main factors affecting the wear resistance of steel billets?: The wear resistance of steel billets can be influenced by several key factors. Firstly, the composition of the steel plays a crucial role. The presence of specific alloying elements, like chromium, manganese, and molybdenum, greatly enhances the steel's wear resistance. These elements form carbides and other compounds that create a durable and hard surface capable of withstanding abrasion. In addition, the microstructure of the steel is vital in determining its wear resistance. Fine-grained steels tend to have better wear resistance due to their smaller grain size, which provides a more uniform and dense structure, reducing the likelihood of cracks and wear. Heat treatment processes, such as quenching and tempering, can further refine the microstructure and enhance wear resistance. The surface finish also affects wear resistance. A smooth and well-polished surface reduces friction between the steel billet and its surroundings, minimizing wear. Various machining techniques, such as grinding and polishing, can be used to achieve the desired surface finish. Furthermore, the hardness of the steel billet is a significant factor in wear resistance. Hardness is commonly measured using the Rockwell or Brinell scales, and higher hardness values generally indicate improved wear resistance. Heat treatment, alloying, and the addition of hardening agents can all help increase the hardness of the steel billet. Lastly, environmental factors can impact wear resistance. The presence of corrosive substances, high temperatures, or abrasive particles in the working environment can accelerate wear and reduce the lifespan of the steel billet. Implementing appropriate coatings, like chromium plating or thermal spraying, can mitigate these environmental effects and enhance wear resistance.

Q: What are the main factors affecting the impact toughness of steel billets?: The main factors affecting the impact toughness of steel billets include the composition of the steel, the heat treatment process, the presence of impurities or defects, the grain size and microstructure, and the temperature at which the impact test is conducted.

Q: What are the different shapes of steel billets?: Steel billets can come in various shapes, including square, round, rectangular, and hexagonal.

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