Grade 30MnVS6 CNBM Forged Alloy Steel Round Bar

Grade 30MnVS6 CNBM Forged Alloy Steel Round Bar

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Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 3 m.t.

Supply Capability:: 10000 m.t./month

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Specification

Type:

Spring Steel

Shape:

Steel Round Bar

Specification:

Standard:
Our products meet Chinese GB, Japanese JIS, US ASTM, UK BS, EU DIN standards and so on.
Round bar:
Diameter : 1mm-2000mm

Chemical Composition:

C	Si	Mn	P	S	Cr	Mo	N	V
0,26 - 0,33	0,15 - 0,80	1,20 - 1,60	max. 0,025	0,02 - 0,06	max. 0,30	max. 0,08	0,01 - 0,02	0,08 - 0,20

Usage and Applications:

Mainly used in automobile manufacturing for the part of crankshaft, linkage,steering knuckle, wheel hub, door butt and semi-axle shaft sleeve..etd.

Packaging & Delivery:

Packaging Detail: Standard seaworthy packing or as customer required; all goods are packed in bundle with steel strips and shipped by break bulk vessel or container

Delivery Detail: 45 days

Production Flow:

hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement

Grade 30MnVS6 CNBM Forged Alloy Steel Round Bar

Quality Assurance:

1. We will strictly inspect our production that we sold according to the customer’s request.

2. Our steel reaches international quality standards.

3. Quality should be in conformity with the specification of the manufacturer. Quantity and packing conditions should be in conformity with the term in the contract.

4. Should the packing found damaged, the buyer has the right to claim to the seller

"Steel alloy in addition to iron, carbon, the addition of other alloy elements, called alloy steel. In the ordinary carbon steel on the basis of adding one or more moderate alloy and iron carbon alloy. The special properties of high strength, high toughness, wear resistance, corrosion resistance, low temperature resistance, high temperature resistance and non magnetism can be obtained according to the different adding elements.
Many kinds of alloy steel, usually alloy element content how many points for low alloy (content of less than 5%) and in (the content of 5% ~ 10%) steel, high alloy steel (content > 10%); according to the quality points according to the high-quality alloy steel, the characteristics of alloy steel; according to the characteristics and uses and alloy structure steel, stainless steel, acid resistant steel, wear-resistant steel, heat-resistant steel, alloy tool steel, rolling bearing steel, alloy spring steel and special properties of steel, such as soft magnetic, permanent magnetic steel, non-magnetic, etc..
In the process of steel making, manganese is a good agent for the removal of sulfur and sulfur, and manganese in steel is 0.50% to 0.30. In plain carbon steel to join more than 0.70% even manganese steel, than the average amount of steel of steel not only enough toughness and have higher strength and hardness, improve the quenching of steel, steel to improve the performance of thermal processing, such as 16Mn steel A3 than the yield point is up to 40% of. Wear resistance high manganese steel 11 - 14%, for the excavator bucket, ball mill liner. The increase of manganese content, reduce the corrosion resistance of steel, reduce the welding performance."

Q: How does special steel perform in cryogenic impact resistance?: Special steel is renowned for its exceptional ability to withstand impacts in cryogenic conditions. When exposed to extremely low temperatures, special steel remains structurally intact and highly resistant to fractures. This remarkable performance is attributed to the distinctive composition and manufacturing techniques employed in its production. Special steel contains specific alloying elements that enhance its properties at low temperatures. These alloys prevent the formation of brittle phases within the steel structure, which are prone to cracking upon impact. Furthermore, precise control of cooling rates during the manufacturing process further fortifies special steel's resistance to cryogenic impacts. The outstanding cryogenic impact resistance of special steel makes it an ideal choice for applications in low-temperature environments. It finds extensive use in the construction of liquefied natural gas (LNG) storage tanks, cryogenic pipelines, and aerospace components. In these applications, special steel ensures the safe and reliable operation of equipment, even under the most extreme conditions. Moreover, special steel's high strength and toughness at low temperatures enable it to withstand dynamic loads and absorb energy without failure. This characteristic is particularly crucial in scenarios where impact loads are present, such as offshore structures exposed to harsh marine environments or cryogenic storage facilities experiencing seismic events. In conclusion, special steel exhibits excellent performance in cryogenic impact resistance. Its unique composition and manufacturing process allow it to maintain its structural integrity, resist fractures, and absorb impact loads even under extremely low temperatures. Consequently, special steel is highly regarded and widely sought-after for a diverse range of applications in cryogenic environments.

Q: How is electrical resistance steel used in heating elements?: Electrical resistance steel is commonly used in heating elements due to its high resistivity and ability to withstand high temperatures. When an electric current passes through the steel, its resistance generates heat, allowing the heating element to efficiently convert electrical energy into heat energy. This makes it suitable for applications such as electric stoves, water heaters, and industrial furnaces.

Q: Can special steel be used in high-speed applications?: Yes, special steel can definitely be used in high-speed applications. Special steel refers to a range of steel alloys that have been specifically developed and engineered to possess enhanced properties such as high strength, durability, and resistance to wear and corrosion. These properties make special steel suitable for various demanding applications, including high-speed ones. In high-speed applications, such as aerospace, automotive, machining, and power generation, the material needs to withstand extreme conditions, including high temperatures, vibrations, and mechanical stress. Special steel is designed to meet these requirements and provide excellent performance even under such challenging conditions. For example, high-speed steel (HSS) is a type of special steel that is specifically formulated to retain its hardness and strength at elevated temperatures, making it ideal for cutting tools like drills, end mills, and saw blades. Similarly, stainless steel variants like martensitic and precipitation-hardening stainless steels are commonly used in high-speed applications due to their high strength, toughness, and resistance to corrosion. Moreover, the development of advanced manufacturing techniques, such as powder metallurgy, has allowed the production of special steel with even better properties, including higher hardness, improved wear resistance, and superior dimensional stability. These advancements have further expanded the application range of special steel in high-speed industries. In summary, special steel is a versatile and reliable material that can be successfully employed in high-speed applications. Its unique properties make it suitable for withstanding the demanding conditions and providing excellent performance, making it a preferred choice for industries requiring materials that can withstand high speeds, temperatures, and mechanical stress.

Q: What are the main characteristics of alloy steel?: Alloy steel, which is produced by incorporating specific elements like chromium, nickel, or molybdenum into iron, possesses distinct properties and qualities. Some key features of alloy steel are as follows: 1. Remarkable strength: Alloy steel is renowned for its exceptional strength. The introduction of alloying elements enhances its capacity to endure high pressures and heavy loads, making it an ideal choice for applications necessitating a robust and long-lasting material. 2. Enhanced hardness: Alloy steel is also recognized for its hardness, surpassing that of regular carbon steel. This attribute renders it resistant to wear, abrasion, and deformation, making it suitable for applications that require resistance to impact or wear, such as the production of cutting tools or machinery components. 3. Resistance to corrosion: Depending on the specific alloying elements employed, alloy steel can display excellent resistance to corrosion. For instance, the addition of chromium is a common practice to create stainless steel, which exhibits high resistance to rust and corrosion. This attribute positions alloy steel as a preferred material in industries where exposure to moisture or corrosive environments is prevalent. 4. Heat endurance: Alloy steel possesses the ability to withstand high temperatures without compromising its strength or structural integrity. The inclusion of elements like nickel, molybdenum, or vanadium augments its resistance to thermal expansion, oxidation, and softening at elevated temperatures. This quality renders alloy steel suitable for applications in the aerospace, automotive, and power generation sectors. 5. Versatility: Alloy steel is a versatile material that can be readily tailored to meet specific requirements. Manufacturers can create alloy steel with a broad range of properties, such as improved ductility, toughness, or electrical conductivity, by modifying the composition and proportions of alloying elements. This adaptability permits the utilization of alloy steel in diverse industries, encompassing construction, manufacturing, and engineering. In conclusion, alloy steel exhibits high strength, hardness, corrosion resistance, heat endurance, and versatility. These characteristics establish alloy steel as the preferred choice for a wide array of applications that demand a sturdy, durable, and dependable material.

Q: What are the different manufacturing processes used for special steel?: There are several different manufacturing processes used for special steel, depending on the specific requirements and properties desired for the final product. Some of the commonly used manufacturing processes for special steel include: 1. Electric Arc Furnace (EAF): This process involves melting scrap metal in an electric arc furnace, where high electrical current passes through the electrodes to melt the metal. EAF is commonly used for producing stainless steel, tool steel, and alloy steel. 2. Basic Oxygen Furnace (BOF): BOF is a process where molten iron from a blast furnace is combined with scrap metal and oxygen is blown through the mixture to remove impurities. BOF is widely used for producing carbon and low-alloy steels. 3. Vacuum Degassing: This process is used to remove impurities like hydrogen, nitrogen, and sulfur from steel by subjecting it to a vacuum environment. Vacuum degassing is often employed for producing high-quality and ultra-clean special steels. 4. Continuous Casting: In this process, molten steel is poured into a water-cooled mold, where it solidifies into a continuous strand. Continuous casting helps to produce steel with a consistent shape, size, and internal structure, and is commonly used for semi-finished products like billets, slabs, and blooms. 5. Powder Metallurgy: This manufacturing process involves compacting metal powders into the desired shape and then sintering them at high temperatures to bond the particles together. Powder metallurgy is often used for producing special steels with specific properties, such as high strength, wear resistance, or corrosion resistance. 6. Heat Treatment: Heat treatment processes like annealing, quenching, and tempering are commonly employed to modify the microstructure and properties of special steels. These processes involve heating the steel to specific temperatures and then cooling it in a controlled manner to achieve desired hardness, toughness, and other mechanical properties. Each of these manufacturing processes has its own advantages and limitations, and the choice of process depends on factors such as the type of steel required, the desired properties, and the cost-effectiveness of the process for a particular application.

Q: What are the specific requirements for special steel used in nuclear applications?: Special steel used in nuclear applications has specific requirements to ensure its suitability and safety within the highly demanding and sensitive nuclear environment. These requirements are designed to guarantee the integrity and performance of the steel in various conditions, including extreme temperatures, radiation exposure, and corrosive environments. One of the primary requirements for special steel used in nuclear applications is high strength and toughness. The steel must possess excellent mechanical properties to withstand the immense pressure and stress that it will experience during operation. This enables the steel to resist deformation, cracking, and failure, ensuring the structural integrity of nuclear components. Another crucial requirement is the ability to withstand high temperatures and thermal cycling. Nuclear reactors operate at elevated temperatures, and the steel must retain its mechanical properties even under extreme thermal conditions. This prevents any degradation or loss of strength that could compromise the safety and efficiency of the nuclear system. Furthermore, special steel used in nuclear applications must exhibit exceptional resistance to corrosion and oxidation. The nuclear environment can be highly corrosive due to the presence of various chemicals and coolants, such as water, steam, and coolant gases. The steel must possess a high level of corrosion resistance to prevent any degradation or material loss, which could lead to leaks or failures. Radiation resistance is also a critical requirement for special steel used in nuclear applications. Nuclear reactors emit ionizing radiation, which can damage the structure and properties of conventional materials. Therefore, the steel must have a high resistance to radiation-induced embrittlement and degradation, ensuring its long-term performance in a radioactive environment. Additionally, the steel used in nuclear applications must comply with strict quality control and certification standards. These standards ensure the steel's traceability, material composition, and manufacturing processes, guaranteeing its reliability and compliance with regulatory requirements. Quality control measures include non-destructive testing, ultrasonic examinations, and material certification. Overall, the specific requirements for special steel used in nuclear applications encompass high strength, toughness, thermal stability, corrosion resistance, radiation resistance, and adherence to stringent quality control standards. Meeting these requirements is crucial to ensure the safe and reliable operation of nuclear systems while mitigating potential risks associated with the nuclear environment.

Q: What are the different surface treatments applied to special steel?: There are several different surface treatments that can be applied to special steel to enhance its properties and improve its performance. Some of the commonly used surface treatments include: 1. Heat treatment: This is a process that involves heating the steel to a specific temperature and then cooling it at a controlled rate. Heat treatment can be used to improve the hardness, strength, and toughness of the steel, as well as to enhance its resistance to wear and corrosion. 2. Coating: Coating the surface of special steel with a protective layer is another common surface treatment. This can be done using various methods such as electroplating, hot-dip galvanizing, or powder coating. Coatings can provide additional resistance to corrosion, improve the appearance of the steel, and increase its lifespan. 3. Nitriding: Nitriding is a process that involves diffusing nitrogen into the surface of the steel, typically at high temperatures. This forms a hard surface layer that improves the wear resistance and fatigue strength of the steel, while maintaining the core toughness. 4. Shot peening: Shot peening is a mechanical surface treatment that involves bombarding the steel surface with small spherical particles, typically made of steel or ceramic. This process induces compressive stresses in the surface layer, which improves the fatigue strength and resistance to stress corrosion cracking. 5. Passivation: Passivation is a chemical treatment that is used to remove impurities and contaminants from the surface of the steel, typically by immersing it in an acid solution. This process helps to restore the natural corrosion resistance of stainless steel by forming a protective oxide layer on the surface. 6. Electro-polishing: Electro-polishing is an electrochemical process that removes a thin layer of material from the surface of the steel. This treatment can improve the surface finish, remove micro-roughness, and enhance the corrosion resistance of the steel. These are just a few examples of the various surface treatments that can be applied to special steel. The choice of treatment depends on the specific requirements of the application and the desired properties of the steel.

Q: Can special steel be used for making nuclear industry components?: Yes, special steel can be used for making nuclear industry components. Special steel, also known as alloy steel, possesses certain properties that make it suitable for use in the nuclear industry. These properties include high strength, excellent corrosion resistance, and good resistance to high temperatures and radiation. Nuclear industry components, such as reactor pressure vessels, steam generators, and fuel rods, operate under extreme conditions of high pressure, high temperature, and exposure to radiation. Special steel can withstand these conditions and maintain its structural integrity, ensuring the safe and reliable operation of nuclear facilities. The use of special steel in the nuclear industry also helps to prevent the release of radioactive materials. The high corrosion resistance of special steel reduces the risk of leakage and contamination, thereby enhancing the safety of nuclear power plants. Furthermore, special steel can be tailored to meet specific requirements of the nuclear industry. Different types of special steel alloys can be developed with specific compositions and heat treatments to optimize their properties for nuclear applications. This allows for the customization of steel components to meet the unique demands of the nuclear industry. In conclusion, special steel can indeed be used for making nuclear industry components due to its high strength, corrosion resistance, and resistance to high temperatures and radiation. Its use contributes to the safety and reliability of nuclear facilities, while also allowing for customization to meet specific requirements.

Q: How does special steel resist fatigue?: The durability and strength of special steel are enhanced through the incorporation of specific properties that resist fatigue. The high tensile strength of this steel is a primary factor in its ability to withstand stress and load without deforming or breaking, preventing the initiation and spread of fatigue cracks. In addition, special steel often undergoes heat treatment processes like quenching and tempering to further enhance its fatigue resistance. This alters the steel's microstructure, creating a fine and uniform grain structure that improves its mechanical properties. It increases hardness and toughness, reducing susceptibility to fatigue failure. Furthermore, special steel can be alloyed with elements like chromium, molybdenum, and vanadium to enhance its resistance to fatigue. These elements form carbides and other strengthening phases within the steel, improving hardness, strength, and resistance to fatigue crack propagation. Moreover, specialized surface treatments like shot peening and nitriding can be applied to special steel. Shot peening involves bombarding the steel surface with small metal particles, inducing compressive residual stresses. These stresses counteract the tensile stresses that cause fatigue cracks, thus enhancing fatigue resistance. Nitriding involves diffusing nitrogen into the steel surface, creating a hardened layer that improves wear resistance and, consequently, fatigue resistance. In conclusion, special steel resists fatigue through a combination of factors, including high tensile strength, specific heat treatment processes, alloying elements, and specialized surface treatments. These properties work together to enhance the steel's durability, strength, and resistance to fatigue crack initiation and propagation, making it a reliable and long-lasting material for various applications.

Q: What are the safety considerations when working with special steel?: When working with special steel, some important safety considerations include wearing appropriate personal protective equipment such as gloves, safety glasses, and steel-toed boots to protect against potential hazards. It is crucial to handle the steel carefully to avoid injuries like cuts, punctures, or strains. Additionally, workers should be cautious of the high temperatures that may be involved during the manufacturing or shaping process and take necessary precautions to prevent burns. Proper training and knowledge of the specific properties and handling techniques of the special steel being used are also essential for ensuring a safe working environment.

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