50Mn Alloy Steel Round Bar of CNBM 16-300MM

50Mn Alloy Steel Round Bar of CNBM 16-300MM

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 50000 m.t./month

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Specification

Type:

Spring Steel

Shape:

Steel Round Bar

Alloy round steel bar 50Mn

Product Description

1. Steel Grade: AISI 1045, 45#, C45, S45C

2. Diameter: 16mm-300mm

3. Length: 6m-12m

4. Shape: Round bar, flat bar, square bar

5. Technique: Hot rolled, cold drawn

Specification:

Material	50Mn	Round bar	Dia(mm)	16-600
Process	EAF + LF + VD + Forged + Heat Treatment (optional)	Round bar	Length (mm)	Max 12000
Heat treatment	Normalized / Annealed / Quenched / tempered	Flat bar	Thickness(mm)	8-500
Delivery condition	Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)		Width(mm)	70-200
Test	Ultrasonic test according to SEP 1921-84 D/d		Length (mm)	Max 12000

Chemical Composition

C	Si	Mn	Cr	Ni	Cu
0.5~0.8	0.17~0.37	0.25~1.2	≤0.25	≤0.30	≤0.25

Packing and Delivery:

Packing in bundle package or as your requriements.

Delivery Detail: About 45 days after confirming order.

Usage and Applications
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.

2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.

3. Some especial material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.

Product Show

50Mn Alloy Steel Round Bar of CNBM 16-300MM

Q: What are the different case hardening grades of special steel?: There are several different case hardening grades of special steel, each with its own unique properties and applications. Some of the most commonly used case hardening grades include: 1. 8620: This grade of steel is commonly used for gears, shafts, and other high-stress applications. It has excellent toughness and wear resistance, making it ideal for parts that require both strength and durability. 2. 9310: This grade is often used for aerospace applications due to its high strength and resistance to fatigue. It is commonly used for gears, bearings, and other components that require exceptional toughness and load-carrying capacity. 3. 4340: This grade is known for its high strength and hardenability. It is commonly used for parts that require high tensile strength and good impact resistance, such as crankshafts, connecting rods, and gears. 4. 20MnCr5: This grade is often used in the manufacturing of gears, camshafts, and other components that require high surface hardness and wear resistance. It is known for its excellent case-hardening properties and good core strength. 5. EN36C: Also known as 655M13, this grade is frequently used for making components that require high tensile strength, such as axles, shafts, and crankshafts. It has good hardenability and excellent toughness, making it suitable for heavy-duty applications. It is important to select the appropriate case hardening grade based on the specific application requirements, such as desired hardness, strength, and wear resistance. Consulting with a metallurgist or an expert in materials science can help ensure the right grade is chosen for a particular project.

Q: What are the main factors affecting the tensile strength of special steel?: Several factors affect the tensile strength of special steel. Firstly, the chemical composition of the steel plays a vital role in determining its tensile strength. Elements like carbon, manganese, silicon, chromium, nickel, and molybdenum can greatly enhance the steel's ability to resist deformation under tensile loads by forming solid solutions, carbides, and intermetallic compounds. Secondly, the heat treatment processes applied to special steel have a significant impact on its tensile strength. Quenching and tempering, annealing, and precipitation hardening can alter the microstructure of the steel, resulting in specific phases and grain structures that enhance its tensile strength. Moreover, the mechanical working or deformation processes that the steel undergoes can also affect its tensile strength. Techniques such as rolling, forging, or extrusion can refine the grain structure and induce dislocations within the material, leading to an increase in tensile strength. The presence of impurities and defects within the steel can negatively impact its tensile strength. Inclusions, voids, or cracks act as stress concentration points, reducing the overall strength of the material. Therefore, it is crucial to implement proper quality control measures during the manufacturing process to minimize these defects and ensure high tensile strength. Furthermore, the temperature at which the steel is exposed can influence its tensile strength. Special steel typically experiences a decrease in tensile strength as the temperature increases due to thermal expansion and the loss of material strength. Therefore, it is important to consider the temperature range in which the steel will be used and select an appropriate grade with the desired tensile strength. In conclusion, the tensile strength of special steel is affected by various factors, including chemical composition, heat treatment, mechanical working, impurities, defects, and temperature. By considering and optimizing these factors during the manufacturing process, special steel with exceptional tensile strength properties can be achieved.

Q: How does special steel contribute to the telecommunications aftermarket industry?: Special steel plays a crucial role in the telecommunications aftermarket industry by providing the necessary materials for the manufacturing and maintenance of various telecommunications equipment. This type of steel is specifically designed to possess exceptional properties, such as high strength, corrosion resistance, and durability, which are essential for the demanding conditions of the telecommunications sector. One of the main contributions of special steel to the telecommunications aftermarket industry is its use in the production of communication towers and transmission structures. These structures need to withstand extreme weather conditions, including strong winds and heavy loads, while also providing reliable support for antennas and other equipment. Special steel is capable of meeting these requirements, ensuring the longevity and stability of communication towers. Furthermore, special steel is extensively used in the manufacturing of cables and wires used in telecommunications systems. These cables need to transmit signals without any loss or interference, and the unique properties of special steel, such as high electrical conductivity and low resistance, make it an ideal material for this purpose. The use of special steel in cables helps maintain the quality and efficiency of telecommunications networks. Another significant contribution of special steel is in the production of equipment enclosures and cabinets. These enclosures provide protection to sensitive electronic components from environmental factors, such as moisture, dust, and extreme temperatures. Special steel, with its corrosion-resistant properties, ensures the longevity and reliability of these enclosures, safeguarding the valuable equipment inside. Moreover, special steel is also utilized in the manufacturing of various components and accessories used in the telecommunications aftermarket industry. These include connectors, brackets, and hardware, which are essential for assembling and maintaining telecommunications equipment. Special steel's high strength and durability make it a preferred choice for these components, ensuring their long-lasting performance. In conclusion, special steel contributes significantly to the telecommunications aftermarket industry by providing the necessary materials for the manufacturing and maintenance of various telecommunications equipment. Its exceptional properties, including high strength, corrosion resistance, and durability, make it an ideal choice for communication towers, cables, enclosures, and various components. By utilizing special steel, the telecommunications industry can ensure the reliability, efficiency, and longevity of its equipment, ultimately benefiting both service providers and end-users.

Q: What are the common defects found in special steel production?: Some common defects found in special steel production include surface cracks, internal voids or inclusions, segregation, decarburization, and improper grain size.

Q: What are the requirements for special steel used in construction equipment manufacturing?: The requirements for special steel used in construction equipment manufacturing typically include high strength, durability, and resistance to wear and corrosion. Additionally, the steel should have good weldability and machinability to ensure ease of fabrication. It should also possess excellent impact resistance to withstand heavy loads and harsh working conditions.

Q: What are the main factors affecting the hardness of special steel?: The hardness of special steel is influenced by various factors. Let's explore some of the key ones: 1. Carbon content plays a vital role in determining the hardness of steel. The addition of carbon, known as a hardening element, enhances the strength and hardness. Generally, higher carbon content leads to increased hardness. 2. The presence of alloying elements like chromium, manganese, nickel, and tungsten also impacts the hardness of special steel. These elements interact with the steel, forming compounds and solid solutions that enhance hardness and strength. 3. The hardness of steel is significantly affected by the heat treatment process. This involves subjecting the steel to specific heating and cooling cycles. Quenching, a rapid cooling process, transforms the microstructure of the steel, resulting in increased hardness. On the other hand, tempering reduces hardness while improving toughness. 4. The crystal structure of the steel can also influence its hardness. For instance, during quenching, the formation of martensite, a hard and brittle structure, increases hardness. Alternatively, crystal structures like ferrite or pearlite may exhibit lower hardness. 5. The size of grains within the steel's microstructure can impact its hardness. Smaller grain sizes generally lead to higher hardness due to improved strength and limited dislocation movement within the material. 6. Work hardening, which occurs through processes like rolling or forging, can increase the hardness of steel. This phenomenon happens when dislocations in the crystal lattice become trapped and hinder further dislocation movement, resulting in increased hardness. 7. The presence of impurities or non-metallic inclusions in steel can affect its hardness. These impurities can act as stress concentrators, reducing the material's hardness. To achieve the desired hardness for specific applications, it is crucial to consider and carefully control these factors during the manufacturing process of special steel.

Q: What are the different types of corrosion-resistant steel?: There are several types of corrosion-resistant steel, including stainless steel, galvanized steel, weathering steel, and nickel alloys. Each of these types has specific properties that make them resistant to corrosion in various environments and applications.

Q: How does special steel contribute to the manufacturing industry?: Special steel contributes to the manufacturing industry by providing a high-quality and versatile material that can be used in various applications. Its unique properties, such as increased strength, durability, and resistance to corrosion, make it suitable for manufacturing components and machinery used in sectors like automotive, aerospace, construction, and energy. Special steel enhances product performance, extends equipment lifespan, and enables the development of innovative solutions, ultimately driving productivity and competitiveness in the manufacturing industry.

Q: Can special steel be used for making aerospace components?: Yes, special steel can be used for making aerospace components. Special steel alloys, such as stainless steel or titanium alloys, possess high strength, excellent corrosion resistance, and good heat resistance, making them suitable for aerospace applications where lightweight, durability, and resistance to extreme conditions are essential.

Q: What are the specific requirements for special steel used in the electronics industry?: In order to meet the unique demands of the electronics industry, special steel must fulfill certain requirements. These requirements include: 1. To protect electronic components from environmental factors like moisture, humidity, and chemical exposure, special steel used in the electronics industry must have high corrosion resistance. 2. Efficient transmission of electricity within electronic devices relies on the excellent electrical conductivity exhibited by the steel. This property is crucial for the proper functioning of electronic components. 3. Depending on the application, special steel used in the electronics industry must possess specific magnetic properties. Some electronics require non-magnetic steel to avoid interfering with sensitive magnetic components, while others may need specific magnetic properties for magnetic shielding or as core material in transformers. 4. To ensure the longevity and reliability of electronic components, the steel must possess high strength and durability, enabling it to withstand the stresses and strains encountered during the manufacturing process and throughout the lifespan of the electronic device. 5. Special steel used in the electronics industry must be able to withstand high temperatures without compromising its structural integrity or electrical properties. This is particularly important in electronic devices that generate heat, such as computer processors or industrial control systems. 6. The steel must be easily formable and machinable to enable efficient manufacturing processes and the production of intricate electronic components. This allows for the fabrication of complex shapes and designs required in the electronics industry. 7. To ensure optimal performance and reliability of electronic devices, special steel used in the electronics industry should have minimal impurities and contaminants. High purity steel guarantees the absence of unwanted elements that may cause electrical or chemical interference. Meeting these specific requirements for special steel used in the electronics industry is crucial for producing high-quality and reliable electronic devices. By fulfilling these requirements, the steel can withstand the challenges and environmental conditions unique to the electronics industry, ultimately contributing to the overall performance and functionality of electronic devices.

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