Special Steel AISI 5140 Mild Carbon Steel

Special Steel AISI 5140 Mild Carbon Steel

Ref Price:: $300.00 - 500.00 / m.t.

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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The details of our Steel

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

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.

Product information

Chemical Composition(GB)%

C	Si	Mn	Cr	Ni
0.37-0.44	0.17-0.37	0.50-0.80	0.80-1.10	≤0.30

Heat Treatment

Item	Temperature ℃	Hardness
Normalizing	850-870	179-229HB

Characterstics: Which has the best comprehensive mechanical properties

Applications

1.Can be used for drawing die and plastic mould
2.Can be used for middle and small punch

Main product

Plastic Mould Steel

DIN 1.2311,1.2738,1.2083,1.2316 etc.

AISI P20,P20+Ni,420 etc.

JIS SUS420J2

Hot Work Steel

DIN 1.2344,1.2343,1.2367,1.2365,1.2581,1.2713 etc.

AISI H13,H11,H10,H21, etc.

JIS SKD61,SKD6,SKD5,SKT4 etc.

Cold Work Steel

DIN 1.2739, 1.2601, 1.2080, 1.2436, 1.2631, 1.263, 1.2510, 1.2327 etc.

AISI D2, D5, D3, D6, A8, A2, O1 etc.

JIS SKD10, SKD11, SKD1, SKS3 etc.

High Speed Steel

DIN 1.3343, 1.3243, 1.3247, 1.3355 etc.

AISI M2, M35, M42, T1 etc.

JIS SKH51, SKH35, SKH59, SKH2 etc.

Alloy Structural Steel

DIN 1.7035,1.6511,1.7220,1.7225 etc.

AISI 5140, 4340, 4135, 4140 etc.

JIS SCr440,SNCM439,SCM435,SCM440 etc.

Stainless & Carbon Steel or Others

DIN 1.4125,1.1191 etc

AISI 440C,1045, 1020 etc.

JIS SUS440C,S45C etc

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Special Steel AISI 5140 Mild Carbon Steel

Q:What are the advantages of using special steel over other materials?: There are several advantages of using special steel over other materials. Firstly, special steel has higher strength and toughness, making it more durable and resistant to wear and tear. Secondly, it offers excellent corrosion resistance, preventing rust and extending the lifespan of the product. Additionally, special steel can withstand extreme temperatures, making it suitable for applications in various industries. Moreover, its versatility allows for easy customization and shaping, meeting specific design requirements. Lastly, special steel is known for its high recyclability, making it an environmentally friendly choice.

Q:How does special steel contribute to the construction machinery industry?: High-strength and durable components are essential in the construction machinery industry, and special steel plays a crucial role in providing these. It is able to withstand extreme stress and load-bearing requirements, which is particularly important considering the heavy-duty applications of construction machinery. Special steel's excellent mechanical properties allow it to resist severe conditions, such as heavy loads, vibrations, and impacts, ensuring the safety and reliability of the equipment. Special steel is also widely used in critical components of construction machinery, including booms, buckets, tracks, and gears. These components face intense wear and tear due to constant use in harsh environments. However, special steel, engineered with enhanced hardness and wear resistance, helps prolong the lifespan of these components, reducing maintenance costs and downtime. In addition to its durability, special steel provides superior corrosion resistance, a crucial feature for construction machinery used in humid or corrosive environments. By preventing rust and decay, special steel helps maintain the equipment's performance and longevity, ultimately increasing productivity and efficiency in construction projects. Furthermore, special steel allows the construction machinery industry to achieve innovative designs and advanced functionalities. Its versatility allows for the creation of complex shapes and precise tolerances, which are necessary for optimizing machinery performance and efficiency. Special steel also enables the incorporation of advanced technologies, like sensors and automation, enhancing the accuracy and productivity of construction equipment. To summarize, special steel significantly contributes to the construction machinery industry by withstanding extreme conditions, providing superior wear resistance and corrosion protection, and enabling innovative designs. By utilizing special steel in the manufacturing process, construction machinery manufacturers can ensure the durability, safety, and efficiency of their equipment, ultimately benefiting the construction industry as a whole.

Q:How does special steel contribute to the energy sector?: Special steel contributes to the energy sector by providing high-strength materials that are essential for the construction of various energy infrastructure projects. It is used in the manufacturing of turbines, generators, and power transmission equipment, ensuring efficient energy production and distribution. Additionally, special steel is crucial in the construction of pipelines and storage tanks for the oil and gas industry, enhancing their durability and safety. Overall, the use of special steel in the energy sector plays a vital role in supporting reliable and sustainable energy production.

Q:What are the requirements for special steel used in military applications?: In order to ensure optimal performance and durability in the field, special steel utilized in military applications must meet specific criteria. These criteria encompass: 1. Superior strength: Military applications often entail extreme conditions, including heavy loads, impacts, and shocks. To withstand these forces without deformation or failure, special steel employed in these applications must possess high strength. 2. Exceptional toughness: The steel should exhibit remarkable toughness to resist cracking or fracturing when subjected to high-stress situations. This is crucial for safeguarding the well-being of military personnel and equipment. 3. Resistance to corrosion: Military operations can occur in diverse environments, such as marine or coastal areas, where exposure to moisture, saltwater, and other corrosive elements is prevalent. To maintain its structural integrity over time, special steel employed in military applications must possess good corrosion resistance. 4. Heat resistance: Military equipment frequently encounters elevated temperatures due to friction, combustion, or exposure to explosives. The steel used must possess good heat resistance to prevent deformation or loss of strength under such conditions. 5. Wear resistance: Military equipment undergoes frequent use, abrasive contact, and potential impacts with foreign objects. Therefore, special steel employed in these applications must exhibit excellent wear resistance to minimize damage and extend the lifespan of the equipment. 6. Machinability: Special steel utilized in military applications should be easily machinable and processable into various shapes and sizes. This ensures that it can be tailored to specific requirements and seamlessly integrated into different military systems. 7. Cost-effectiveness: While meeting all the aforementioned requirements, special steel utilized in military applications should also be cost-effective. It must strike a balance between performance and cost to ensure efficient resource utilization. By fulfilling these requirements, special steel employed in military applications can deliver the necessary strength, durability, and reliability required for military operations, thereby ensuring the safety and effectiveness of military personnel and equipment.

Q:What are the specific requirements for special steel used in the mining industry?: Special steel used in the mining industry has specific requirements to ensure its durability, strength, and resistance to harsh conditions. Some of the key requirements for special steel used in the mining industry include: 1. High strength: Special steel used in the mining industry must have high tensile strength to withstand heavy loads and resist deformation under extreme conditions. This enables the steel to endure the pressure, impact, and stress that it may encounter during mining operations. 2. Wear resistance: Mining environments involve abrasive materials, such as rocks and ores, which can cause significant wear on equipment. Special steel used in the mining industry needs to have excellent wear resistance to prevent premature failure and increase the lifespan of mining equipment. 3. Corrosion resistance: Mining operations often take place in highly corrosive environments, such as underground mines or near water bodies. Special steel used in the mining industry should possess high corrosion resistance to withstand exposure to chemicals, moisture, and other corrosive agents. This helps prevent rusting, pitting, and other forms of corrosion that can weaken the steel. 4. Toughness: Mining equipment is subjected to heavy impacts and vibrations, which can lead to fractures if the steel is not tough enough. Special steel used in the mining industry should exhibit excellent toughness, allowing it to absorb energy from impacts and vibrations without fracturing. This ensures the safety and reliability of mining equipment. 5. Heat resistance: Mining operations involve high-temperature environments, such as smelting and refining processes. Special steel used in the mining industry must have good heat resistance to withstand the elevated temperatures without losing its strength or undergoing deformation. 6. Machinability: Special steel used in the mining industry should also have good machinability, allowing it to be easily formed into complex shapes or structures. This facilitates the manufacturing process of mining equipment and components. Overall, the specific requirements for special steel used in the mining industry revolve around strength, wear resistance, corrosion resistance, toughness, heat resistance, and machinability. Meeting these requirements is crucial for ensuring the reliability, durability, and safety of mining equipment in the demanding mining environments.

Q:How does special steel perform in cryogenic creep resistance?: Special steels are known for their excellent cryogenic creep resistance. They exhibit minimal deformation and maintain their mechanical properties even at extremely low temperatures. This makes them highly suitable for applications in cryogenic environments where materials are subjected to significant stress over prolonged periods.

Q:What are the heat treatment processes used for special steel?: Some of the heat treatment processes used for special steel include annealing, quenching, tempering, and hardening. Annealing involves heating the steel to a specific temperature and slowly cooling it to improve its ductility and reduce internal stress. Quenching is a rapid cooling process that hardens the steel by quickly cooling it from a high temperature, creating a tough and wear-resistant material. Tempering is a process that follows quenching, where the steel is reheated to a lower temperature to reduce brittleness and improve toughness. Hardening involves heating the steel to a high temperature and then rapidly cooling it to increase its hardness and strength. These heat treatment processes are used to enhance the properties and performance of special steel for various applications.

Q:What are the different shot blasting techniques used for special steel?: Some of the different shot blasting techniques used for special steel include wheel blasting, air blasting, and wet blasting. Wheel blasting involves using a high-speed rotating wheel to propel steel shot at the surface of the steel, removing any contaminants or rust. Air blasting uses compressed air to propel abrasive particles at high speed onto the surface of the steel, achieving a similar result. Wet blasting combines water with the abrasive particles to create a slurry, which is then sprayed onto the steel surface to remove any impurities effectively. These techniques are commonly employed to prepare special steel for further processing or to enhance its surface finish.

Q:What are the main applications of special steel in the agricultural sector?: Special steel has various applications in the agricultural sector, primarily in the manufacturing of machinery and equipment. It is used to develop durable and robust components such as plows, tillers, cultivators, harvesters, and irrigation systems. Special steel's high strength and resistance to corrosion make it suitable for withstanding the demanding conditions encountered in agricultural operations, ensuring efficient and reliable performance of machinery in the field.

Q:What is the role of heat treatment in special steel?: Heat treatment plays a crucial role in enhancing the properties and performance of special steel. Special steel refers to alloys that are specifically designed to have unique characteristics, such as high strength, corrosion resistance, or heat resistance. Heat treatment involves subjecting the steel to controlled heating and cooling processes to alter its microstructure, resulting in desired properties. One of the key roles of heat treatment in special steel is to improve its mechanical properties. By carefully controlling the heating temperature and cooling rate, the steel's hardness, strength, and toughness can be enhanced. For example, through processes like quenching and tempering, special steel can be made significantly stronger and more resistant to wear and fatigue. This makes it suitable for applications where high strength and durability are required, such as in the construction of machinery, tools, or aerospace components. Heat treatment also helps to optimize the steel's resistance to corrosion. Special steel is often used in environments where it is exposed to harsh conditions, such as corrosive chemicals or high temperatures. By subjecting the steel to specific heat treatment processes, like annealing or precipitation hardening, the steel can develop a more stable microstructure that improves its resistance to corrosion and oxidation. This ensures that the special steel maintains its integrity and performance even in challenging environments. Furthermore, heat treatment can modify the steel's heat resistance properties. Special steel is frequently used in applications where it is exposed to high temperatures, such as in the manufacturing of turbines or exhaust systems. Through heat treatment techniques like normalization or hardening, the steel can be made more resistant to deformation, cracking, or softening at elevated temperatures. This enables the special steel to retain its strength and structural integrity even under extreme heat conditions. In summary, heat treatment plays a crucial role in optimizing the mechanical, corrosion resistance, and heat resistance properties of special steel. By carefully manipulating the steel's microstructure through controlled heating and cooling processes, heat treatment enhances the steel's strength, durability, and performance, making it suitable for a wide range of demanding applications.

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