• SCM440 Forged Round Steel Bar Alloy Steel Bar System 1
  • SCM440 Forged Round Steel Bar Alloy Steel Bar System 2
  • SCM440 Forged Round Steel Bar Alloy Steel Bar System 3
SCM440 Forged Round Steel Bar Alloy Steel Bar

SCM440 Forged Round Steel Bar Alloy Steel Bar

Ref Price:
get latest price
Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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Specification

Type:
Alloy Steel
Shape:
Steel Round Bar

SCM440 Forged Round Steel Bar Alloy Steel Bar

 

Product information:

Diameter :250-800mm
Length:2.5M-12M
Steel grade : SCM440

We are making  the below forged  steel bars all  the time and the detail is as followings:

40CrNiMo/42CrMo/38CrMoAl/50Mn/16Mn/40CrNiMo/35SiMn/AISI4140/AISI4340/SCM440/20Cr2Ni4/15CrMo/35CrMo/S355J2G3/15CrMo/Q345/17CrMnNiMo4

Standard:GB/T699/GB/T3077/ASTMA29/JIS/EN10083/DIN/

1)Delivery State:Hot forgerd +peeled+Normalizing+Quench+Temper Annealing that you can choose

UT:According Sep1921 Class 3 C/c or D/d.

Steel ingot:EAF+LF+VD.

 2)Size:250-800mm

3)Length:1000-12000mm

4)Inspecting:UTS according to sep1921 or GB/T6402

5)Cut both ends

6)Payment:By 30% ,T/T in advanced payment or L/C at sight

7)Min qty:20MT

8)Dlivery terms:CFR or CIF

9)Delivery time:according to your qty

 

Product show

SCM440 Forged Round Steel Bar Alloy Steel Bar

 

Workshop show

SCM440 Forged Round Steel Bar Alloy Steel Bar

 

Our service:

-High manufacturing accuracy
-High strength
-Small inertia resistance
-Strong heat dissipation ability
-Good visual effect
-Reasonable price

Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer's trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

If you need the sample, please feel free to let me know. Any question, we will contact you ASAP!

 

Q: What are the different joining methods for special steel?
There are several different joining methods for special steel, including welding, brazing, soldering, and mechanical fastening. Each method has its own advantages and considerations depending on the specific requirements of the application. Welding is commonly used for joining thick sections of steel and offers high strength and durability. Brazing and soldering involve melting a filler material to bond the steel pieces together at lower temperatures, making them suitable for joining thin or delicate components. Mechanical fastening methods, such as bolts, nuts, and rivets, provide a non-permanent joining solution and are often used in applications that require disassembly or reassembly.
Q: What are the properties of high-temperature tool steel?
High-temperature tool steel is known for its exceptional heat resistance, hardness, and wear resistance. It has the ability to retain its strength even at elevated temperatures, making it ideal for applications in high-temperature environments. Additionally, it exhibits excellent toughness, allowing it to withstand heavy loads and resist deformation. High-temperature tool steel also has good dimensional stability and can maintain its shape even under extreme conditions.
Q: Can special steel be used in mining applications?
Yes, special steel can be used in mining applications. Special steel alloys are often utilized in mining equipment and machinery due to their high strength, durability, and resistance to wear and corrosion. These properties make them suitable for withstanding the harsh and demanding conditions found in mining operations.
Q: What are the different stamping grades of special steel?
The different stamping grades of special steel include stainless steel, high-strength steel, tool steel, and alloy steel. Each grade has unique properties and characteristics that make them suitable for various stamping applications.
Q: What are the different mining grades of special steel?
The different mining grades of special steel can vary depending on the specific composition and properties required for different applications. Some common mining grades include stainless steel, tool steel, high-speed steel, and alloy steel. Each grade has unique characteristics that make it suitable for specific mining operations, such as resistance to corrosion, high strength, hardness, and wear resistance.
Q: Can special steel be used for tooling applications?
Yes, special steel can be used for tooling applications. Special steels, such as high-speed steels and tool steels, are specifically designed and manufactured to have superior properties for tooling purposes. These steels possess characteristics such as high hardness, wear resistance, toughness, and heat resistance, making them ideal for tooling applications where durability and performance are crucial.
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.
Q: What are the cost considerations when using special steel?
The cost considerations when using special steel include the price of the raw materials, as special steel typically contains alloying elements that can be expensive. Additionally, the manufacturing process for special steel may require specialized equipment and techniques, which can increase production costs. Furthermore, special steel may have specific requirements for heat treatment or machining, which can add to the overall cost. However, the use of special steel can offer benefits such as improved strength, corrosion resistance, or heat resistance, which can justify the higher costs in certain applications.
Q: What are the different methods of preventing stress corrosion cracking in special steel?
There are several methods that can be employed to prevent stress corrosion cracking in special steel: 1. Material Selection: Choosing the appropriate steel alloy with enhanced resistance to stress corrosion cracking is crucial. Alloys such as stainless steel, duplex stainless steel, and nickel-based alloys are known for their resistance to this type of corrosion. 2. Surface Treatments: Applying surface treatments like passivation or electroplating can create a protective layer on the steel surface, preventing the entry of corrosive substances and reducing the likelihood of stress corrosion cracking. 3. Stress Relieving: Heat treatment processes like stress relieving can be employed to reduce residual stresses in the steel, which can contribute to stress corrosion cracking. This treatment involves heating the steel to a specific temperature and then slowly cooling it, which helps to minimize the presence of residual stresses. 4. Corrosion Inhibitors: The use of corrosion inhibitors can help to protect the steel from corrosive environments. These inhibitors can be added to the system or applied as a coating on the steel surface, creating a barrier that prevents the corrosive substances from reaching the steel. 5. Environmental Control: Controlling the environment in which the steel is exposed is essential for preventing stress corrosion cracking. Factors such as temperature, humidity, and the presence of corrosive substances should be monitored and controlled to minimize the risk of stress corrosion cracking. 6. Cathodic Protection: Utilizing cathodic protection techniques can help to prevent stress corrosion cracking. This method involves applying a sacrificial or impressed current to the steel, which acts as a cathode and protects the steel from corrosion. 7. Design Considerations: Proper design of the steel structure is crucial in preventing stress corrosion cracking. Factors such as avoiding sharp corners, minimizing stress concentrations, and providing adequate drainage to prevent the accumulation of corrosive substances can significantly reduce the risk of stress corrosion cracking. By employing a combination of these methods, it is possible to effectively prevent stress corrosion cracking in special steel and ensure the longevity and integrity of the structure.
Q: How is special steel protected against corrosion?
Special steel is protected against corrosion through various methods such as applying a protective coating, using corrosion-resistant alloys, or implementing techniques like passivation and electroplating.

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