1.2738 Mound Steel,China Steel,Steel Mould

1.2738 Mound Steel,China Steel,Steel Mould System 1

1.2738 Mound Steel,China Steel,Steel Mould System 2

1.2738 Mound Steel,China Steel,Steel Mould

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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Product information:

Grade	C	Si	Mn	P	S	Cr	Mo	V
P20	0.28~0.40	0.20~0.80	0.60~1.00	≤0.030	≤0.030	1.40~2.00	0.30~0.55	---
1.2311	0.35~0.45	0.20~0.40	1.30~1.60	≤0.035	≤0.035	1.80~2.10	0.15~0.25	---
3Cr2Mo	0.28~0.40	0.20~0.80	0.60~1.00	≤0.030	≤0.030	1.40~2.00	0.30~0.55	---

Applications of mould steel material

mould steel tool steel is ideally suited for the production of plastic moulds. Typical applications include die holders, zinc die casting dies, backers, bolsters and injection moulds. The versatility of mould steel tool steel with its high tensile characteristics enables uses for a variety of other applications such as shafts, rails and wear strips

Forging of mould steel material

Heat slowly, allowing sufficient time for the steel to become heated through. Begin forging at 1050°C. Do not forge below 930°C reheating if necessary. After forging, cool very slowly.

Annealing of mould steel material

Heat uniformly to 770-790°C. Soak well, cool slowly in the furnace.

Stress Relieving of mould steel material

When dies are heavily machined, we recommend stabilising just before finish machining in order to relieve machining strains. Heat to 460-500°C. Soak well and allow to cool in the air.

Hardening of mould steel material

Heat the steel uniformly to 820-840°C until heated through. Quench in oil.

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1.2738 Mound Steel,China Steel,Steel Mould

Q:How is ultra-high-strength steel used in the construction industry?: Ultra-high-strength steel is commonly used in the construction industry to enhance the structural integrity and resilience of buildings and infrastructure. Its exceptional strength-to-weight ratio allows for the creation of lighter and more durable structures. This steel variant is often employed in applications such as high-rise buildings, bridges, and offshore structures, where its superior strength properties provide increased safety and load-bearing capacity.

Q:What are the limitations of special steel in certain applications?: Certain applications have limitations when it comes to special steel, despite its high versatility and durability. One limitation is its cost, as special steel is typically more expensive to produce compared to regular steel. This is due to the addition of various alloying elements. Therefore, in applications where cost is a significant factor, such as large-scale projects or industries with tight budgets, special steel may not be economically viable. Another limitation is its susceptibility to corrosion. Although special steel is generally more resistant to corrosion than regular steel, it is still not entirely immune. In environments with high levels of moisture, chemicals, or extreme temperatures, special steel may corrode over time if not properly protected or maintained. Formability and workability are also limited with special steel. Its higher strength and hardness make it more challenging to shape, bend, or weld compared to regular steel. This restricts its use in applications that require complex or intricate designs, as well as those involving extensive fabrication or assembly processes. Moreover, special steel may face limitations in terms of availability and supply chain. Not all types of special steel may be easily found in the market, especially in remote or less developed regions. This can make it difficult to source the required special steel for specific applications, potentially causing delays or compromises in project execution. Lastly, the specialized properties of special steel may not always be necessary or advantageous for certain applications. In such cases, regular steel or alternative materials might be more suitable and cost-effective, especially if the specific properties of special steel are not required. In conclusion, while special steel offers numerous benefits, it is important to consider its limitations in certain applications. Thorough evaluation of the specific requirements, cost-effectiveness, and availability of special steel is crucial to ensure its successful and optimal use in any given situation.

Q:What are the applications of special steel in the automotive manufacturing process?: Special steel is widely used in the automotive manufacturing process for various applications. It is commonly used for making engine components like crankshafts, camshafts, and connecting rods due to its high strength and resistance to wear and heat. Special steel is also used for manufacturing suspension systems, steering components, and chassis parts, as it offers excellent mechanical properties and durability. Additionally, special steel is utilized in the production of safety features such as seatbelt components and airbag systems, ensuring the highest level of protection for occupants. Overall, special steel plays a crucial role in enhancing the performance, reliability, and safety of vehicles in the automotive industry.

Q:What is the role of special steel in the manufacturing of precision instruments?: The manufacturing of precision instruments heavily relies on the use of special steel. Precision instruments, like watches, surgical tools, measuring devices, and aerospace components, necessitate materials with exceptional qualities such as durability, strength, resistance to corrosion, and dimensional stability. Special steel is specifically designed to meet these demanding requirements due to its unique composition and properties. One of the main advantages of special steel is its high level of purity and uniformity. It goes through extensive refining and purification processes to eliminate impurities, ensuring consistent and reliable performance. This purity is crucial in precision instruments as it minimizes the risk of contamination, which could result in inaccuracies or malfunctions. Another essential characteristic of special steel is its exceptional strength and hardness. Precision instruments often encounter high levels of stress, pressure, or mechanical forces without deforming or failing. Special steel, with its superior strength, provides the necessary structural integrity and stability to these instruments, enabling them to maintain their accuracy and reliability over time. Furthermore, special steel demonstrates excellent resistance to corrosion, which is vital for precision instruments that may come into contact with moisture, chemicals, or other corrosive substances. Corrosion can degrade the surface finish and compromise the functionality of the instruments. Special steel's corrosion resistance ensures that the instruments can withstand harsh environments and continue to perform accurately. Additionally, special steel is highly machinable and can be shaped into intricate components with precise tolerances. Precision instruments often require intricate designs and parts that demand high precision in the manufacturing process. Special steel's machinability allows for the production of these complex components with utmost precision, guaranteeing the overall accuracy and functionality of the instruments. In conclusion, special steel plays a crucial role in the manufacturing of precision instruments. Its purity, strength, resistance to corrosion, and machinability make it an ideal material for producing high-quality instruments that can provide precise measurements, withstand demanding conditions, and maintain their accuracy over time. Without special steel, the production of precision instruments with such exceptional qualities would be significantly compromised.

Q:How is the hardness of special steel measured?: The hardness of special steel is typically measured using methods such as Rockwell, Brinell, or Vickers hardness tests, which involve indenting the steel surface with a known force and measuring the resulting indentation size.

Q:How does special steel contribute to the mining equipment industry?: Enhanced durability, strength, and resistance to wear and corrosion are crucial aspects of special steel's role in the mining equipment industry. Mining operations operate in challenging and harsh environments, making robust and reliable equipment essential. Special steel, designed specifically to withstand extreme conditions, improves the overall performance and longevity of mining equipment. The exceptional strength of special steel is one of its main advantages in the mining industry. Conventional materials quickly degrade under the intense forces of crushing, impact, and abrasion that mining equipment experiences. Special steel, however, offers superior strength properties, enabling mining equipment to withstand heavy loads without deformation or breakage. Additionally, special steel provides excellent resistance to wear and corrosion, addressing common challenges in mining operations. Regular steel is susceptible to quick wear from abrasive rocks and minerals, leading to equipment lifespan reduction and increased maintenance costs. Special steel, with its higher hardness and wear resistance, minimizes the impact of abrasive materials, prolonging the life of mining equipment and reducing downtime. Corrosion is another prevalent issue in the mining industry due to exposure to moisture, chemicals, and harsh environments. Special steel is formulated to resist corrosion, ensuring that mining equipment remains structurally sound and functional even in corrosive conditions. This corrosion resistance enhances the overall safety and reliability of mining operations. Furthermore, special steel allows manufacturers to customize and design mining equipment to meet specific needs. Different grades of special steel optimize the properties of mining equipment, enabling it to fulfill the unique requirements of various mining applications. In conclusion, special steel significantly contributes to the mining equipment industry by providing enhanced strength, durability, wear resistance, and corrosion resistance. Its utilization improves performance, extends equipment lifespan, reduces maintenance costs, and enhances safety in mining operations.

Q:What are the main factors affecting the corrosion fatigue strength of special steel?: Several factors affect the corrosion fatigue strength of special steel. Firstly, the composition of the steel is crucial. Special steels typically contain various alloying elements like chromium, nickel, molybdenum, and copper, which enhance their corrosion resistance. The presence and quantity of these elements significantly impact the corrosion fatigue strength. Generally, higher levels of alloying elements improve resistance to corrosion fatigue. Secondly, the surface condition of the steel is important. Any surface defects such as scratches, pits, or roughness can act as stress concentrators and accelerate the initiation and propagation of corrosion fatigue cracks. Additionally, the presence of surface contaminants like dirt, grease, or salts can increase the corrosive environment and reduce the corrosion fatigue strength. Thirdly, the environmental conditions in which the steel is exposed play a significant role. Corrosion fatigue occurs due to the combined action of cyclic loading and a corrosive environment. Factors like temperature, humidity, pH, and the presence of corrosive substances such as saltwater or chemicals can accelerate the corrosion process and reduce the fatigue strength. Furthermore, the mechanical properties of the steel, such as hardness, strength, and ductility, also influence its corrosion fatigue strength. Higher strength and hardness enhance resistance to fatigue crack initiation, while greater ductility improves resistance to crack propagation. However, excessive hardness or brittleness can decrease corrosion fatigue strength. Lastly, the design and manufacturing processes of components made from special steel can impact their corrosion fatigue strength. Factors such as welding techniques, heat treatment, and surface finishing can introduce residual stresses or alter the microstructure of the steel, affecting its corrosion fatigue behavior. In conclusion, the corrosion fatigue strength of special steel is influenced by its composition, surface condition, environmental conditions, mechanical properties, and manufacturing processes. Understanding and appropriately addressing these factors are crucial for enhancing the corrosion fatigue resistance of special steel components.

Q:What are the specific requirements for special steel used in the textile industry?: The specific requirements for special steel used in the textile industry are primarily related to its durability, corrosion resistance, and heat resistance. Due to the harsh conditions and high temperatures involved in textile processing, the steel used must be able to withstand these conditions without compromising its structural integrity. Firstly, the steel used in the textile industry must possess excellent durability. It should be able to withstand high mechanical stress, including tension, compression, and bending, without experiencing deformation or breakage. This is important as the machinery in the textile industry undergoes constant movement and repetitive actions. Corrosion resistance is another crucial requirement for special steel in the textile industry. The steel should be resistant to corrosion caused by chemicals, moisture, and other environmental factors. This is especially important as textile manufacturing processes often involve the use of various chemicals and water. Heat resistance is also vital for special steel in the textile industry. As the manufacturing processes involve high temperatures, the steel used must be able to withstand and maintain its strength and properties under these conditions. This ensures the longevity and efficiency of the equipment and machinery used in textile production. Additionally, the steel used in the textile industry should have excellent machinability. It should be easy to cut, shape, and form into various components and parts required for textile machinery. This allows for efficient manufacturing and customization of equipment as per specific needs. Furthermore, the steel may also need to meet specific standards and certifications set by regulatory bodies or industry organizations, ensuring that it meets the necessary quality and safety requirements. For instance, it may need to comply with international standards such as ISO 9001 for quality management systems. In summary, the specific requirements for special steel used in the textile industry include durability, corrosion resistance, heat resistance, machinability, and compliance with relevant standards. Meeting these requirements ensures that the steel can withstand the demanding conditions of textile manufacturing and contribute to the efficiency and reliability of the machinery involved.

Q:How does special steel contribute to improving product performance under extreme conditions?: Special steel contributes to improving product performance under extreme conditions by offering enhanced strength, durability, and resistance to corrosion, heat, and wear. Its unique composition and advanced manufacturing techniques make it capable of withstanding high pressure, extreme temperatures, and harsh environments. This ensures that products made with special steel can perform reliably and efficiently, even in the most challenging conditions, thereby enhancing overall performance and extending their lifespan.

Q:What are the requirements for special steel used in mining equipment?: The requirements for special steel used in mining equipment are quite stringent due to the demanding nature of the mining industry. Here are some of the key requirements: 1. High strength and toughness: Mining equipment operates in extremely harsh conditions, where it is subjected to heavy loads, impacts, and abrasion. Special steel used in mining equipment must have high strength to withstand these forces and maintain its structural integrity. Additionally, it should possess excellent toughness to prevent fractures and withstand sudden shocks. 2. Corrosion resistance: Mining operations often take place in corrosive environments, such as underground mines or near bodies of water. Special steel used in mining equipment should exhibit high resistance to corrosion and oxidation to ensure its longevity and prevent premature failure. 3. Wear resistance: Mining equipment is exposed to abrasive materials, like rocks and minerals, which can cause significant wear. The special steel used in mining equipment should have excellent wear resistance properties to withstand continuous abrasion and prevent premature wear and tear. 4. Heat resistance: Mining equipment is frequently exposed to high temperatures due to the friction generated during operation or proximity to heat sources. Special steel used in mining equipment should have good heat resistance to maintain its mechanical properties and prevent deformation or structural failure. 5. Fatigue resistance: Mining equipment undergoes repetitive and cyclic loading, which can lead to fatigue failure over time. Special steel used in mining equipment should possess high fatigue resistance to avoid cracking or failure under these cyclic loading conditions. 6. Weldability and machinability: Special steel used in mining equipment should have good weldability and machinability to facilitate the fabrication and assembly processes. This ensures that the equipment can be easily manufactured, repaired, or modified as required. 7. Regulatory compliance: Mining equipment often needs to meet specific regulatory standards and certifications to ensure safety and environmental compliance. Special steel used in mining equipment should adhere to these regulations, ensuring that the equipment is safe to operate and does not pose any environmental hazards. In summary, the requirements for special steel used in mining equipment include high strength and toughness, corrosion resistance, wear resistance, heat resistance, fatigue resistance, weldability and machinability, and compliance with regulatory standards. These requirements ensure that the steel can withstand the harsh conditions and demanding operations encountered in the mining industry.

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