• Grade S48C CNBM Hot Rolled Alloy Steel Bar System 1
  • Grade S48C CNBM Hot Rolled Alloy Steel Bar System 2
Grade S48C CNBM Hot Rolled Alloy Steel Bar

Grade S48C CNBM Hot Rolled Alloy Steel 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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Item specifice

Type:
Alloy Steel
Shape:
Steel Round Bar

 Specifications of Steel Round Rod Bar:

Material

S48C

Round bar

Dia(mm)

16-600

Process

EAF + LF + VD + Forged + Heat Treatment (optional)

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

Mo

0.26~0.34

0.17~0.37

0.40~0.70

0.80~1.10

0.15~0.25

 

Usage and Applications:

used for manufacturing the forging that have higher strength 

and tempering section, just like the gear wheel used for  

locomotive traction,booster Transmissioon gear,back

 axle.connecting rod that have heavy loadign,and spring 

clip,it can also used for tool joint of oil deep well under 

2000meters and fishing tool.

 

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:

EAF+LF+VD+ Forged+ Heat Treatment

Material prepare (billet) — heat up — rough rolling — precision rolling — cooling — packing — storage and transportation

Grade S48C CNBM Hot Rolled Alloy Steel Bar

Grade S48C CNBM Hot Rolled Alloy Steel 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

Q:How does special steel contribute to the longevity of products?
Special steel contributes to the longevity of products by providing enhanced strength, durability, and resistance to wear and corrosion. Its unique composition and manufacturing processes make it ideal for applications where strength and longevity are crucial, such as in the automotive, aerospace, and construction industries. By using special steel, products can withstand extreme conditions and heavy use over extended periods, ensuring a longer lifespan and reducing the need for frequent replacements.
Q:How does special steel contribute to the industrial machinery aftermarket industry?
By providing high-quality and durable components, special steel plays a vital role in the industrial machinery aftermarket industry. It enhances machinery performance and longevity, which is crucial in this industry. One of the main advantages of special steel is its exceptional strength and resistance to wear and tear. Regular steel components deteriorate quickly due to heavy loads, extreme temperatures, and corrosive environments. However, special steel alloys are specifically designed to withstand these harsh conditions. This ensures that machinery operates efficiently for a longer period. In addition, special steel offers excellent machinability, making it easier to manufacture intricate and precise components. This enables aftermarket manufacturers to produce replacement parts that fit perfectly into existing machinery. As a result, downtime during repairs and maintenance is minimized. Special steel's machinability also allows for customization, as it can be easily shaped and modified according to the specific requirements of different machinery models. Moreover, special steel's exceptional heat resistance makes it ideal for producing high-temperature components used in industrial machinery. These components need to withstand intense heat without losing their structural integrity. Special steel alloys possess excellent heat resistance properties, ensuring that machinery can operate at high temperatures without compromising performance or safety. Furthermore, special steel contributes to the industrial machinery aftermarket industry by providing corrosion-resistant components. Machinery in industries such as oil and gas or marine is often exposed to corrosive substances or environments. Regular steel components are susceptible to corrosion, leading to premature failure and expensive repairs. However, special steel alloys are highly resistant to corrosion, enhancing the durability and reliability of machinery in these demanding conditions. Overall, special steel's unique properties, including strength, machinability, heat resistance, and corrosion resistance, significantly contribute to the industrial machinery aftermarket industry. By utilizing special steel components, manufacturers can enhance machinery performance, durability, and longevity, reducing downtime, and improving overall operational efficiency.
Q:How is stainless steel used in food processing?
Stainless steel is widely used in food processing due to its exceptional properties such as corrosion resistance, durability, and hygiene. It is used to manufacture various equipment like storage tanks, mixing vessels, piping systems, and food preparation surfaces. Stainless steel's non-reactive nature prevents contamination and ensures food safety, while its smooth surface allows for easy cleaning and maintenance. Additionally, its strength and heat resistance make it suitable for high-temperature processes in food processing plants.
Q:What are the common heat treatment methods used for special steel?
The common heat treatment methods used for special steel include annealing, normalizing, quenching, tempering, and hardening.
Q:What are the properties of maraging steel?
Maraging steel is a type of high-strength steel known for its exceptional toughness, strength, and resistance to wear and fatigue. It possesses unique properties such as high yield strength, excellent impact resistance, and good corrosion resistance. Additionally, maraging steel exhibits good machinability, allowing it to be easily shaped and formed. This steel also has the ability to be heat treated to achieve even higher levels of strength, making it highly desirable for applications in aerospace, defense, and tooling industries.
Q:What is the significance of vanadium in special steel?
Due to its unique properties and effects on the performance of steel, vanadium is an important element in special steel. Special steel, which is designed for specific applications requiring strength, durability, and specific characteristics, benefits greatly from the inclusion of vanadium. One of the primary rationales behind using vanadium in special steel is its ability to increase the steel's strength and toughness. Vanadium forms robust carbides within the microstructure of the steel, which prevent grain growth and enhance its resistance to deformation and cracking. This makes the steel highly suitable for applications that demand exceptional strength, such as the construction of bridges, high-rise buildings, and machinery. In addition to strength, vanadium also improves the hardenability of the steel. Hardenability refers to the steel's capacity to be hardened through heat treatment methods like quenching and tempering. Vanadium enhances the hardenability of the steel, enabling easy achievement of desired properties like increased wear resistance and improved cutting performance. This makes vanadium-containing special steel ideal for tools, dies, and other applications requiring hardness and wear resistance. Furthermore, vanadium contributes to the steel's resistance to corrosion. It creates stable oxide layers on the steel's surface, acting as a protective barrier against corrosion and oxidation. This is particularly advantageous in harsh environments like marine environments or chemical processing plants. Moreover, vanadium also enhances the heat resistance and thermal stability of special steel. It helps the steel retain its strength and hardness even at high temperatures, making it suitable for applications involving high-temperature environments like aerospace components and automotive engine parts. In summary, the importance of vanadium in special steel lies in its ability to enhance the steel's strength, toughness, hardenability, corrosion resistance, and heat resistance. These properties make vanadium-containing special steel highly sought after in various industries that require exceptional performance and reliability.
Q:What are the environmental impacts of producing special steel?
The environmental impacts of producing special steel can include air pollution from emissions released during the steelmaking process, such as carbon dioxide, sulfur dioxide, and nitrogen oxide. Additionally, the extraction of raw materials for steel production, such as iron ore and coal, can result in deforestation, habitat destruction, and water pollution. The energy-intensive nature of steel production also contributes to greenhouse gas emissions and climate change. Proper waste management and implementation of sustainable practices can mitigate some of these environmental impacts.
Q:What are the requirements for special steel used in aircraft manufacturing?
The requirements for special steel used in aircraft manufacturing are quite stringent due to the critical nature of the components and the demanding operating conditions in which they are subjected. Here are some key requirements: 1. High strength: Special steel used in aircraft manufacturing must possess exceptional strength to withstand the extreme forces and loads experienced during flight. This ensures the structural integrity and safety of the aircraft. 2. Lightweight: While strength is crucial, special steel for aircraft must also be lightweight to minimize the overall weight of the aircraft. This helps enhance fuel efficiency and allows for increased payload capacity. 3. Corrosion resistance: The steel must exhibit excellent resistance to corrosion, as aircraft are often exposed to harsh environments, including high humidity, saltwater, and various chemicals. Corrosion resistance helps maintain the structural integrity and prolong the lifespan of the aircraft. 4. Fatigue resistance: Special steel must have high fatigue resistance to withstand repetitive loading and unloading cycles that occur during flight. This ensures that the components do not fail prematurely due to cyclic stress. 5. Heat resistance: The steel should be able to withstand high temperatures generated by the engines, as well as the heat generated during high-speed flight. Heat resistance prevents deformation, melting, or loss of strength under extreme thermal conditions. 6. Weldability: Special steel used in aircraft manufacturing should possess good weldability, allowing for efficient and reliable joining of components during the manufacturing process. This ensures strong and secure connections between various parts of the aircraft. 7. Non-magnetic properties: In certain applications, such as electronic systems, it is essential for the steel to be non-magnetic to prevent interference with sensitive equipment. 8. Traceability and certification: The steel must have proper traceability and certification to meet industry standards and regulatory requirements. This includes documentation of the steel's composition, manufacturing process, and testing procedures to ensure consistent quality and performance. Meeting these requirements is essential to ensure the safety, reliability, and efficiency of aircraft. Special steel used in aircraft manufacturing undergoes rigorous testing, quality control, and certification processes to ensure it meets these stringent requirements before being used in the construction of aircraft components.
Q:How does special steel compare to stainless steel?
Special steel and stainless steel are two distinct types of steel with different properties and applications. While stainless steel is known for its corrosion resistance, special steel is recognized for its exceptional strength and durability. Special steel is often used in high-stress environments where resistance to wear, impact, or extreme temperatures is crucial. On the other hand, stainless steel is preferred in applications where resistance to rust and staining is essential, such as in kitchen appliances or medical instruments. Therefore, the choice between special steel and stainless steel depends on the specific requirements and desired characteristics for a particular application.
Q:Can special steel be used for making power generation equipment?
Yes, special steel can be used for making power generation equipment. Special steel is known for its high strength, durability, and resistance to corrosion, making it an ideal choice for manufacturing components such as turbines, generators, and boilers that are used in power generation processes.

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