• Forged C45 Carbon Steel Round Bars Steel Bar System 1
  • Forged C45 Carbon Steel Round Bars Steel Bar System 2
  • Forged C45 Carbon Steel Round Bars Steel Bar System 3
Forged C45 Carbon Steel Round Bars Steel Bar

Forged C45 Carbon Steel Round Bars Steel Bar

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
30 m.t.
Supply Capability:
10000 m.t./month

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Item specifice

Type:
Carbon Steel
Shape:
Steel Round Bar

Forged C45 Carbon Steel Round Bars Steel Bar

Product Information:

Stock available in annealed and QT condition.

No MOQ for order.

Delivery 7-10 days.

Good tolerance according the the OD.

Staightness could meet 1mm/M per requirement.

Detailed Information:

 1, Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN

 2, Produce Process: smelt iron - EAF smelt billet - ESR smelt billet - hot rolled or forged to get the steel round bar and plate

 3, Heat Treatment: annealing, normalizing, tempering, quenching

 4, Surface Treatment: Black, Polished, Galvanized

The picture of the products

5, Quality Assurance: We accept third party inspection for all orders. 

You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.

Product Overviews:

Product NameTypical GradesDiameter(mm)Standard adopted
Carbon Steel20 (1020/S20C/C22)Ø16-Ø300GB/SAE/JIS/DIN
40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing SteelGCr9 (51100/SUJ1)Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel20Cr (5120/SCr420H/20Cr4)Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
42CrMo(4140/SCM440/42CrMo4)
Gear Steel20CrNiMoØ16-Ø600
20CrMn(5115/SMnC420/20MnCr5)
20CrNiMo(8620/SNCM220/20CrMiMo2)

Product Show:

Forged C45 Carbon Steel Round Bars Steel Bar

Our Advantages:

· Industry experience over 20 years.

· Shipment of goods -More than 70 countries worldwide.

· The most convenient transport and prompt delivery.

· Competitive price with best service.

· High technical production line with top quality products.

· High reputation based on best quality products.

 

With our experienced, enthusiastic and dynamic staffs, we assure to bring you the products with best quality, reasonable prices and good after-sales services under the motto: Friends First, Business After.

Communication, Experience, Expertise and Best efforts are our Promises to you.


Q:What are the different heat treatment processes used for special steel?
There are several heat treatment processes commonly used for special steel, including annealing, normalizing, quenching, tempering, and case hardening. Annealing involves heating the steel to a specific temperature and then slowly cooling it, which helps to improve its ductility and relieve internal stresses. Normalizing is similar to annealing but involves air cooling the steel after heating, resulting in a more uniform grain structure. Quenching is a process where the steel is rapidly cooled in a liquid medium, such as water or oil, to achieve high hardness and strength. Tempering follows quenching and involves reheating the steel to a lower temperature, reducing its hardness and increasing toughness. Case hardening is a surface hardening process where the steel is heated in the presence of a carbon-rich material, creating a hardened outer layer while maintaining a softer core. These heat treatment processes are used to enhance the mechanical properties and performance of special steel for various applications.
Q:How does special steel perform in high-pressure environments?
Special steel performs exceptionally well in high-pressure environments due to its high tensile strength, excellent corrosion resistance, and ability to withstand extreme temperatures. Its superior mechanical properties make it highly suitable for applications such as oil and gas pipelines, pressure vessels, and offshore drilling equipment, where it can effectively handle the intense pressures and maintain structural integrity even under harsh conditions.
Q:What are the different methods of controlling the grain size in special steel?
To achieve desired mechanical properties and performance, there are multiple approaches available for controlling the grain size in special steel. The following are some of the techniques that can be employed: 1. Alloying: The grain size in steel can be controlled by carefully selecting and managing the composition of alloying elements. Elements like niobium, vanadium, and titanium have proven effective in refining the grain size. 2. Heat treatment: The grain size can be regulated through the process of heat treatment. Techniques such as annealing, normalizing, and quenching can be utilized to manipulate the grain size. For example, slow cooling during annealing encourages the growth of larger grains, while rapid cooling during quenching leads to smaller grain sizes. 3. Deformation processing: Mechanical deformation methods like rolling, forging, or extrusion can aid in refining the grain structure. These processes induce strain and facilitate the formation of smaller and more uniform grains. 4. Grain growth inhibitors: The addition of specific elements like aluminum or zirconium to the steel can act as inhibitors for grain growth. These elements create fine particles that impede the growth of grains during heat treatment, resulting in a smaller grain size. 5. Control of transformation temperature: Manipulating the transformation temperature during heat treatment allows for control over the grain size. Lowering the austenitizing temperature, for example, can yield a finer grain structure in the final product. 6. Rapid solidification: Employing techniques such as spray forming or rapid quenching can lead to an ultrafine-grained microstructure. The rapid cooling prevents grain growth, resulting in a fine and homogeneous grain structure. 7. Severe plastic deformation (SPD) techniques: Techniques like equal channel angular pressing (ECAP) or high-pressure torsion (HPT) impose significant strain on the material, leading to a refined grain structure. These methods are commonly used for producing ultrafine-grained or nanostructured steels. It is essential to consider the desired properties, alloy composition, and intended application of the final product when choosing a method for controlling the grain size in special steel.
Q:What are the different corrosion-resistant coatings for special steel?
There are several corrosion-resistant coatings available for special steel, including zinc coatings, aluminum coatings, stainless steel coatings, and ceramic coatings. These coatings provide a protective barrier that prevents the steel from coming into contact with corrosive elements, thus extending its lifespan and maintaining its structural integrity.
Q:How are magnesium alloys used in lightweight structures?
Magnesium alloys are used in lightweight structures due to their exceptional strength-to-weight ratio. These alloys offer high strength and stiffness while being significantly lighter than other metals like steel or aluminum. This makes them ideal for applications in sectors such as aerospace, automotive, and sports equipment, where weight reduction is crucial without compromising structural integrity. Additionally, magnesium alloys possess good vibration damping properties, corrosion resistance, and excellent machinability, making them even more advantageous for lightweight structure design.
Q:How does special steel perform in radiation shielding applications?
Special steel is an excellent choice for radiation shielding applications due to its high density and ability to absorb and scatter radiation effectively. Its unique composition and properties allow it to provide a strong barrier against various types of radiation, ensuring the safety of individuals and equipment in radiation-prone environments.
Q:What are the properties of high-strength steel?
High-strength steel has several key properties that make it desirable for various applications. It possesses exceptional strength, allowing it to withstand heavy loads and resist deformation under stress. It also exhibits excellent toughness, meaning it can absorb energy without fracturing. Additionally, high-strength steel typically offers high hardness, good wear resistance, and enhanced corrosion resistance. Its properties make it ideal for use in industries such as automotive, aerospace, construction, and manufacturing, where durability and reliability are crucial.
Q:How does special steel contribute to the construction of bridges?
The utilization of special steel is of utmost importance in the construction of bridges as it provides enhanced strength, durability, and resilience, thereby guaranteeing the structural integrity and safety of these vital infrastructure projects. One of the main advantages of special steel in bridge construction lies in its high tensile strength, allowing it to endure heavy loads and extreme weather conditions. This strength is particularly crucial in large-span bridges, where the steel must bear significant weight and withstand forces like wind, earthquakes, and traffic vibrations. Additionally, special steel offers exceptional corrosion resistance, which is essential for bridges exposed to harsh environments, such as those in close proximity to coastal areas where saltwater can be highly corrosive. By preventing or minimizing corrosion, the lifespan of the bridge is significantly prolonged, resulting in reduced maintenance and repair costs. Furthermore, special steel can be fabricated to precise specifications, allowing for the creation of intricate bridge designs and innovative structural solutions. This flexibility enables engineers to design bridges that are not only functional but also visually appealing. In conclusion, special steel is a vital element in bridge construction due to its strength, durability, corrosion resistance, and adaptability. Its utilization ensures the longevity, safety, and efficiency of bridges, ultimately benefiting the communities they serve.
Q:How is special steel used in the production of cutting inserts?
Special steel is used in the production of cutting inserts due to its unique properties, such as high hardness, wear resistance, and heat resistance. These qualities make it effective for withstanding the high temperatures and forces involved in cutting operations. Special steel cutting inserts are designed to cut through various materials, including metals, plastics, and composites, with precision and efficiency, making them essential tools in industries such as manufacturing, automotive, and aerospace.
Q:How does special steel perform in aerospace applications?
Special steel is widely used in aerospace applications due to its exceptional performance and unique properties. One of the key reasons for its usage is its high strength-to-weight ratio, which is crucial in the aerospace industry where weight reduction is a primary concern. Special steel alloys exhibit superior strength, allowing them to withstand the extreme conditions encountered during flight, such as high temperatures, vibrations, and pressure changes. Additionally, special steel possesses excellent resistance to corrosion, making it an ideal choice for aerospace applications where exposure to moisture and various chemicals is common. Its corrosion resistance ensures the longevity and durability of critical components, reducing maintenance and replacement costs. Furthermore, special steel offers excellent fatigue resistance, meaning it can withstand repeated loading and unloading cycles without experiencing deformation or failure. This property is vital in aerospace applications where components are subjected to cyclic stresses and must maintain their integrity over prolonged periods. Moreover, special steel alloys can be easily fabricated and machined, allowing for the production of complex and precise aerospace components. The ease of fabrication ensures efficient manufacturing processes and the ability to create intricate designs, which is essential for optimizing performance and aerodynamics. Overall, special steel's exceptional strength, corrosion resistance, fatigue resistance, and ease of fabrication make it an invaluable material in aerospace applications. Its utilization in critical components, such as turbine blades, landing gears, and structural elements, ensures the safety, reliability, and efficiency of aerospace systems.

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