Alloy Steel SCM435 Bar Made In China

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
50000 m.t./month
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Item specifice

Type:
Alloy Steel
Shape:
Steel Round Bar

Alloy Steel SCM435 Bar Made In China   

 

Product description:

1. Produce Standard:  GB, AISI, ASTM, SAE, EN, BS, DIN, JIS

2. Produce processes:   Smelt Iron -EAF smelt Billet  - ESR smelt Billet -Hot rolled or forged get the  steel round bar and  plate

3. Heat treatment: Normalized / Annealed / Quenched+Tempered

4. Quality assurance: All order we can received  third party inspection, You can let SGS, BV,.. and others test company test and inspect our products before Goods shipping.

Chemical Composition(%):

C

Si

Mn

Cr

Mo

Ni

P

S

0.32-0.40

0.20-0.40

0.40-0.70

0.80-1.10

0.15-0.25

≤0.30

≤0.035

≤0.035

 

Applications:

35CrMo(A30352)/4135/SCM435/34CrMo4(1.7220) alloy structural steel

35CrMo(A30352)/4135/SCM435/34CrMo4(1.7220) alloy structural steel is used to be manufactured all kinds of important parts which can bear impact, crankle, high heavy load, such as the herringbone gear of the rolling machine, bent roller, plumbing bar, connecting rod, fasteners, spindle of the steamer engine, axle, driving parts of engine, large motor reel, perforator of the oil machinery, boiler bolt whose working temperature is below 400°C, nut whose working temperature is below 510°C, conduit of the high-pressure seamless thick wall in the chemical machinery, etc.

 

Advantages:

 1) ISO9001:2008 certified company.

2) Quality & Quantity Assurance with competitive prices. 

3) Delivery & dealings as per Commitment.

4) Highly experience qualified production and sales team.

5) Your satisfaction is guaranteed according your demand.

 

Product Show:

Alloy Steel SCM435 Bar Made In China

Alloy Steel SCM435 Bar Made In China

Alloy Steel SCM435 Bar Made In China

 

Q:
Various techniques are available for preventing intergranular corrosion in special steel. 1. Heat Treatment: A highly effective approach involves subjecting the steel to solution annealing, a heat treatment process. This method entails heating the steel to a high temperature and rapidly cooling it. By doing so, any precipitates or carbides that may have formed along the grain boundaries are dissolved, thereby reducing the risk of intergranular corrosion. 2. Alloying: Another strategy is to introduce specific alloying elements into the steel composition. For instance, the addition of elements such as chromium and molybdenum can enhance the steel's resistance to intergranular corrosion. These alloying elements create a protective oxide layer on the surface, preventing corrosion along the grain boundaries. 3. Passivation: Passivation involves treating the steel surface with chemicals that establish a protective layer. This layer acts as a barrier, safeguarding the grain boundaries from the corrosive environment. Common passivation techniques include acid pickling and electrochemical methods. 4. Sensitization Control: Particular attention must be given to controlling the sensitization process. Sensitization occurs when the steel is exposed to high temperatures for an extended period, resulting in the precipitation of chromium carbides along the grain boundaries and rendering the steel vulnerable to intergranular corrosion. By carefully controlling the heating and cooling rates during processing, sensitization can be minimized or prevented. 5. Corrosion Inhibitors: Another option is the utilization of corrosion inhibitors, which are chemicals that can be applied to the steel surface to protect it from corrosion. These inhibitors form a protective film on the surface, preventing corrosive agents from attacking the grain boundaries. It is important to consider that the choice of method depends on the specific type of special steel and its intended application. Selecting the most suitable approach requires a comprehensive understanding of the steel's composition, processing conditions, and the expected corrosive environment.
Q:
To ensure its durability and reliability under extreme conditions, special steel utilized in high-pressure applications must fulfill specific criteria. Some of the crucial requirements for this type of steel include the following: 1. Exceptional strength: The steel must possess extraordinary strength to withstand the intense forces and pressures it will encounter. This allows it to resist deformation and maintain its structural integrity. 2. Remarkable corrosion resistance: The steel needs to exhibit a high resistance to corrosion since it will frequently come into contact with aggressive fluids or gases in high-pressure environments. This prevents deterioration over time and helps sustain its performance and longevity. 3. Good weldability: The special steel employed in high-pressure applications should have good weldability in order to facilitate easy and efficient joining of different components. This ensures the overall integrity and reliability of the system. 4. Endurance against high temperatures: The steel must be capable of withstanding elevated temperatures without compromising its mechanical properties. This is particularly critical in applications where high-pressure fluids or gases are heated or where the steel is exposed to extreme heat sources. 5. Resistance to fatigue: The special steel should display a high resistance to fatigue failure, as it will often undergo cyclic loading and pressure fluctuations. This enables the steel to endure repeated stress and pressure cycles without developing cracks or failures. 6. Precise dimensional tolerance: The steel should possess precise dimensional tolerance to ensure proper fit and functionality within the high-pressure system. This helps minimize leakage or any potential weak points in the system. 7. Compliance with industry standards: The special steel used in high-pressure applications must meet relevant industry standards and specifications, such as those established by organizations like the American Society of Mechanical Engineers (ASME) or the American Petroleum Institute (API). This guarantees that the steel meets the required quality and performance standards. In summary, special steel for high-pressure applications must possess a combination of extraordinary strength, remarkable corrosion resistance, good weldability, endurance against high temperatures, resistance to fatigue, precise dimensional tolerance, and compliance with industry standards to ensure its suitability and reliability in demanding environments.
Q:
The role of chromium in special steel is to provide enhanced corrosion resistance, increased hardness, and improved strength. It forms a protective layer on the surface of the steel, known as chromium oxide, which prevents the steel from rusting or corroding. Chromium also helps in improving the steel's ability to withstand high temperatures and maintain its structural integrity.
Q:
There are several different forms of special steel, including stainless steel, tool steel, high-speed steel, alloy steel, and spring steel. Each form has unique properties and is designed for specific applications in various industries.
Q:
Free-cutting steel improves machinability by containing additional elements, such as sulfur, lead, or phosphorus, which help to break the chips and aid in chip removal during the machining process. These elements act as lubricants, reducing friction and heat generation, which results in improved surface finish and reduced tool wear.
Q:
Special steel is specifically designed to perform exceptionally well in extreme environments. It exhibits high resistance to corrosion, oxidation, and temperature variations, making it suitable for applications in harsh conditions such as marine, aerospace, and power industries. Additionally, special steel offers superior strength, toughness, and durability, enabling it to withstand extreme pressures, impacts, and environmental stressors without compromising its performance.
Q:
Yes, special steel can be used in mining applications. Special steel, also known as alloy steel, is specifically designed to have enhanced properties such as increased strength, durability, and resistance to wear and corrosion. These properties make it highly suitable for various mining applications where the equipment and machinery are subjected to extreme conditions, including heavy loads, abrasive materials, and exposure to water or chemicals. In mining, special steel is commonly used for manufacturing drill bits, cutting tools, crushing and grinding equipment, conveyor belts, and structural components of mining machinery. For example, drill bits made from special steel alloys have improved hardness and toughness, allowing them to effectively penetrate hard rock formations. Similarly, crushing and grinding equipment that utilizes special steel components can withstand the high stress and impact forces encountered during the extraction and processing of minerals. Moreover, special steel alloys provide better resistance to corrosion and wear, which are common challenges in mining environments. This helps to extend the lifespan of mining equipment, reduce maintenance costs, and enhance operational efficiency. Additionally, special steel can be tailored to meet specific requirements, allowing manufacturers to optimize the performance of mining equipment for different mining applications and conditions. Overall, the use of special steel in mining applications offers numerous benefits in terms of improved performance, durability, and cost-effectiveness. Its unique properties make it an essential material in mining operations, enabling the extraction and processing of minerals in a more efficient and sustainable manner.
Q:
Special steel plays a critical role in the defense industry due to its unique properties and capabilities. One of the primary functions of special steel in defense is to provide strength and durability to various components and structures of military equipment, such as tanks, armored vehicles, naval vessels, and aircraft. These steels are designed to withstand extreme conditions, including high impact and ballistic resistance, making them essential for ensuring the safety and protection of military personnel. Another significant role of special steel in the defense industry is its contribution to the production of cutting-edge weaponry. Special steel alloys are used to manufacture firearms, missiles, and artillery systems, providing the necessary strength, hardness, and corrosion resistance required for such applications. These steels allow for the precise manufacturing of complex weapon systems, ultimately enhancing their performance, accuracy, and reliability. Moreover, special steel also plays a vital role in the defense industry by enabling the development of advanced communication and electronics technologies. Steel alloys with specific magnetic properties are utilized in the production of radar systems, satellite components, and other electronic devices critical for military surveillance, intelligence, and communication purposes. These steels enable the efficient transmission and reception of signals, enhancing the overall capabilities of defense systems. In summary, special steel is indispensable in the defense industry due to its strength, durability, and unique properties. It provides the necessary foundation for the construction of military equipment, enhances the performance of weapons, and enables the development of advanced communication and electronics technologies. By utilizing special steel, the defense industry can ensure the safety, effectiveness, and technological superiority of military operations.
Q:
The unique properties of copper and its role as an alloying element have a substantial impact on the characteristics of special steel. By adding small amounts of copper to steel, its strength, hardness, and resistance to corrosion can be enhanced. One of the notable advantages of copper in special steel lies in its ability to enhance the mechanical properties of the steel. With the addition of copper, the strength and hardness of the steel are increased, making it suitable for applications that demand high tensile strength and durability. This is particularly crucial in industries like construction, automotive, and aerospace, where sturdy and long-lasting steel is indispensable. Moreover, copper also improves the steel's resistance to corrosion. It forms a protective oxide layer on the steel's surface, preventing the formation of rust and other types of corrosion. This makes copper-infused steel ideal for use in harsh environments or applications where exposure to moisture or corrosive substances is common. Furthermore, copper can enhance the machinability of special steel. It acts as a lubricant during the machining process, reducing friction and heat generation. As a result, tool life is improved, energy consumption is reduced, and productivity is enhanced. In conclusion, the addition of copper to special steel has a significant impact on its characteristics. It improves the steel's strength, hardness, and resistance to corrosion, making it more suitable for demanding applications. Additionally, copper enhances the machinability of steel, leading to increased productivity and cost-effectiveness.
Q:
Electrical steel, also known as silicon steel, possesses several important properties that make it suitable for various electrical applications. It has a high magnetic permeability, which means it can efficiently conduct magnetic flux, making it ideal for use in transformers, motors, and generators. Additionally, electrical steel exhibits low core losses, reducing energy dissipation during operation. Its high electrical resistivity minimizes eddy currents, further improving efficiency. Furthermore, electrical steel has a laminated structure, reducing hysteresis losses and preventing magnetic domains from aligning, which helps in maintaining a stable magnetic field. Overall, electrical steel's properties make it a crucial material for efficient and reliable electrical devices.

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