• SAE 4340 Alloy Steel Round Bar SCM430 Steel Bar System 1
  • SAE 4340 Alloy Steel Round Bar SCM430 Steel Bar System 2
  • SAE 4340 Alloy Steel Round Bar SCM430 Steel Bar System 3
SAE 4340 Alloy Steel Round Bar SCM430 Steel Bar

SAE 4340 Alloy Steel Round Bar SCM430 Steel Bar

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
50000 m.t./month

Add to My Favorites

Follow us:


OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Specification

Type:
Alloy Steel
Shape:
Steel Round Bar

SAE 4340 Alloy Steel Round Bar SCM430 Steel Bar

 

Product Details:

1) Melting process: BOF + LF + VD

2) Heat treatment: Normalized / Annealed / Quenched / Tempered

3) Surface condition: Black surface / Peeled / Turned / Milled

4) Straightness: Max.3mm/1000mm

5) Appearance: Free of cracks, visible inclusions, pit on the appearance;

6) Guarantee: Ultrasonic test according to SEP 1921-84 G3 C/c

7) Certificate of quality: SGS

8) Marking: Grade, Heat No.,Diameter will be stamped one each bar with required color

9) Packing: In bulk packing

10) MOQ: 25 tons / Grade / Size

11) Delivery time: 30 days

12) Payment: T/T or 100% LC at sight.

 

Designation by Standards

rand Name

Ravne No.

Mat. No.

DIN

EN

 AISI

42CD4

514

1.7225

42CrMo4

-

 4140


Chemical Composition (in weight %)

C

Si

Mn

Cr

Mo

Ni

V

W

Others

0.39-0.45

0.1-0.4

0.6-0.9

0.9-1.2

0.15-0.25

 -

 -

 -

    -

 

Application:

ASTM 4340 Steel Bar have been used in aviation,aerospace,navigation,nuclear energy,chemical industry,

electronic information,machine manufacture, petrochemical, automotive,instrument and meter, Communication ,transportation, and medical instruments etc.

 

Product Show:

SAE 4340 Alloy Steel Round Bar SCM430 Steel Bar

SAE 4340 Alloy Steel Round Bar SCM430 Steel Bar


Q: What are the applications of special steel in the food processing industry?
Special steel is widely used in the food processing industry due to its unique properties. It is utilized for manufacturing various equipment and components that require high strength, corrosion resistance, and hygiene standards. Some applications include the production of food processing machinery, cutting tools, knives, blades, and containers. Special steel ensures durability, cleanliness, and safety, making it an indispensable material in the food processing industry.
Q: What are the different surface finishes available for special steel?
There are several different surface finishes available for special steel, including polished, brushed, satin, and matte finishes. Each finish offers a unique appearance and texture, allowing for customization and versatility in various applications. Additionally, special coatings such as powder coating or electroplating can be applied to enhance the surface finish and provide additional protection against corrosion or wear.
Q: How is special steel used in the production of consumer goods?
Special steel is used in the production of consumer goods due to its exceptional strength, durability, and corrosion resistance. It is commonly employed in the manufacturing of kitchen appliances, cutlery, automotive parts, and electronics, ensuring high-quality and long-lasting products for consumers.
Q: How is special steel used in the manufacturing of cutting tools?
Special steel is used in the manufacturing of cutting tools because of its high hardness, toughness, and wear resistance. This type of steel can be heat-treated to achieve the desired hardness and can retain its cutting edge for a longer period. It is commonly used in the production of drills, saw blades, and milling cutters to ensure efficient and precise cutting operations.
Q: How does special steel contribute to the energy aftermarket industry?
The energy aftermarket industry heavily relies on special steel for the production and maintenance of various energy equipment and infrastructure. This type of steel is crucial as it provides durable and high-quality materials. One important application of special steel is in the manufacturing of turbine components like blades, rotors, and casings. These components are essential for power generation, especially in thermal, hydro, and wind energy systems. Special steel possesses exceptional strength, corrosion resistance, and high-temperature stability, ensuring the efficient and reliable operation of turbines even in harsh environments. Moreover, special steel plays a vital role in the construction and upkeep of oil and gas pipelines. These pipelines are responsible for transporting energy resources over long distances and require materials that can withstand extreme pressures, temperatures, and corrosive environments. Special steel grades with enhanced mechanical properties and corrosion resistance are utilized to maintain the integrity and safety of these pipelines, ultimately improving the efficiency and reliability of the energy aftermarket industry. Furthermore, special steel is used in the production of storage tanks, heat exchangers, and various other components employed in the oil, gas, and renewable energy sectors. These components are crucial for storing and processing energy resources and necessitate materials that can endure high pressures, temperature changes, and aggressive chemicals. Special steel grades provide the necessary mechanical properties and corrosion resistance, enabling safe and efficient energy storage and processing. Apart from its material properties, special steel also enables advanced manufacturing techniques like precision machining and welding. These techniques are crucial for producing complex energy equipment and components, ensuring high accuracy, reliability, and efficiency in the production process. This, in turn, leads to high-quality end products that meet the demanding requirements of the energy aftermarket industry. Overall, special steel significantly contributes to the energy aftermarket industry by providing materials with exceptional strength, corrosion resistance, and high-temperature stability. Its utilization in the manufacturing and maintenance of energy equipment and infrastructure enhances efficiency, reliability, and safety, ultimately supporting the growth and sustainability of the industry.
Q: What are the main characteristics of electrical steel?
Electrical steel, also known as silicon steel or transformer steel, offers several key features that make it suitable for use in electrical appliances and power equipment. Firstly, it possesses a high magnetic permeability, enabling efficient magnetic flux conduction and reducing energy losses in transformers, motors, and generators. Secondly, electrical steel demonstrates low core loss, encompassing hysteresis loss and eddy current loss. Hysteresis loss refers to the dissipation of energy caused by the reversal of magnetic domains within the material, while eddy current loss arises from circulating currents induced by alternating magnetic fields. The low core loss property of electrical steel ensures high energy efficiency and minimizes heat generation in electrical devices. Another significant characteristic of electrical steel is its high electrical resistivity, which diminishes the magnitude of eddy currents and further reduces energy losses in electrical equipment. Additionally, it possesses a high saturation induction, denoting its ability to reach maximum magnetic flux density. This characteristic enables transformers and motors to function at higher magnetic flux densities, resulting in more compact and efficient designs. Moreover, electrical steel exhibits high mechanical strength, essential for withstanding the stresses and vibrations encountered in electrical devices. It also demonstrates good thermal conductivity, facilitating efficient heat dissipation and enhancing the overall performance and longevity of electrical equipment. In conclusion, electrical steel boasts high magnetic permeability, low core loss, high electrical resistivity, high saturation induction, high mechanical strength, and good thermal conductivity. These properties make it an ideal material for various electrical applications, offering efficiency, reliability, and performance in power generation, transmission, and utilization.
Q: What are the different forms of special steel?
There are several different forms of special steel, including stainless steel, tool steel, high-speed steel, and alloy steel.
Q: What is the difference between special steel and regular steel?
Special steel refers to a specific type of steel that has been enhanced with additional alloying elements or has undergone specialized treatments to enhance its strength, durability, or other desired properties. Regular steel, on the other hand, refers to common or standard steel that does not possess these additional features or improvements. The key difference lies in the composition and processing, as special steel is engineered to meet specific requirements for particular applications, such as high-temperature resistance, corrosion resistance, or increased hardness.
Q: What are the applications of tool steel?
Tool steel has numerous applications in various industries. Some common applications include the manufacturing of cutting tools such as drills, saw blades, and milling cutters. It is also used in the production of dies and punches for metal forming processes. Additionally, tool steel finds applications in the automotive industry for the production of engine components, gears, and shafts. It is also used in the construction industry for manufacturing tools and equipment for cutting, drilling, and shaping materials like wood and concrete. Overall, tool steel is valued for its high hardness, wear resistance, and ability to withstand high temperatures, making it ideal for applications that require durability and precision.
Q: What is the role of research and development in advancing special steel technology?
The role of research and development in advancing special steel technology is crucial. Through continuous research and development efforts, new and improved manufacturing processes, alloys, and applications for special steel can be discovered and developed. This leads to advancements in the properties and performance of special steel, making it more durable, resistant to wear and corrosion, and capable of meeting the evolving needs of industries such as automotive, aerospace, and energy. Additionally, research and development help in optimizing production techniques, reducing costs, and promoting sustainability in the special steel industry. Overall, research and development play a vital role in pushing the boundaries of special steel technology, enabling innovation and driving progress in various sectors.

Send your message to us

This is not what you are looking for? Post Buying Request

Similar products

Hot products


Hot Searches

Related keywords