4Cr5MoSiV1 Mould Steel Special Steel Alloy Steel
- 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
Chemical Composition%
Country | Standard | C | Si | Mn | Cr | Mo | V | S | P |
China(GB) | 4Cr5NoSiV1 | 0.32-0.45 | 0.80-1.20 | 0.20-0.50 | 4.75-5.50 | 1.10-1.75 | 0.80-1.20 | ≤0.030 | ≤0.030 |
USA(ASTM) | H13 | 0.32-0.45 | 0.80-1.20 | 0.20-0.50 | 4.75-5.50 | 1.10-1.75 | 0.80-1.20 | ≤0.030 | ≤0.030 |
Germany(DIN) | 1.2344 | 0.37-0.42 | 0.90-1.20 | 0.30-0.50 | 4.80-5.50 | 1.20-1.50 | 0.90-1.10 | ≤0.030 | ≤0.030 |
Japan(JIS) | SKD61 | 0.37-0.42 | 0.90-1.20 | ≤0.50 | 4.50-5.50 | 1.00-1.50 | 0.80-1.20 | ≤0.030 | ≤0.030 |
Available Size
Rolled flat steel | 20-90mm×205-610mm×L |
Heat Treatment
Item | Temperature℃ | Hardness |
Anneal | 750-800 | ≤229HB |
Quenching | 1020-1050 | 56-58HRC |
Quenching | 530-600 | 45-50HRC |
Characterstics
1.Higher thermal strength and hardness | ||||||
2.Better toughness and elevated temperature fatigue resistance | ||||||
3.Hardness maintaining ability at 600℃ | ||||||
4.Good polishing performance |
Applications: Suitable for aluminum and copper die-casting moulds working for long time at elevated temperatures,hot extrusion dies,core rod forging dies,plastic moulds,etc,also suitable for heat resistance thimbles,push rods and ejector sleeves
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- Q: How does special steel perform in radiation shielding applications?
- Special steel is renowned for its outstanding performance in shielding against radiation, widely recognized for its unique properties and composition. It is an ideal choice in safeguarding against harmful radiation due to its exceptional qualities. One significant advantage of special steel is its remarkable density, which allows for the effective absorption and attenuation of radiation. This attribute enables it to serve as a barrier, effectively preventing the penetration of harmful radiation into sensitive areas. By significantly reducing radiation exposure, special steel plays a crucial role in diverse industries, including nuclear power plants, medical facilities, and aerospace applications. Furthermore, special steel possesses excellent mechanical strength and durability, ensuring long-lasting and reliable radiation shielding. It can withstand extreme conditions while maintaining its effectiveness over time. This durability is particularly vital in environments with continuous or ongoing radiation exposure. Moreover, special steel exhibits high resistance to corrosion and degradation, making it indispensable in radiation shielding applications. This resistance ensures the material remains intact and can provide the necessary protection against radiation for an extended period. As a result, frequent maintenance and replacement are minimized, leading to cost savings and improved operational efficiency. Additionally, special steel can be customized to meet specific requirements, allowing for tailored designs and configurations. This flexibility enables the development of radiation shielding solutions optimized for the unique needs of various applications. Whether it involves shielding panels, containers, or enclosures, special steel can be adapted to provide the most efficient and effective radiation protection. In summary, special steel excels in radiation shielding applications due to its high density, mechanical strength, durability, corrosion resistance, and customization capabilities. It offers reliable and long-lasting radiation protection, ensuring the safety of personnel and equipment in industries where radiation exposure is a concern.
- Q: How does special steel perform in high-stress environments?
- Special steel is designed specifically for high-stress environments, excelling in various forms of stress, including mechanical, thermal, and chemical stress. What sets it apart is its distinct composition and manufacturing process, resulting in exceptional resistance to stress. One of the standout features of special steel is its remarkable tensile strength. It can withstand immense pressure without deforming or failing. This strength is achieved by incorporating alloying elements like chromium, nickel, and molybdenum, which enhance its structural integrity and toughness. These elements also enhance the steel's resistance to corrosion and oxidation, ensuring its durability and reliability in harsh conditions. Additionally, special steel exhibits superb fatigue resistance, enabling it to endure repetitive and cyclic loading without developing cracks or fractures. This quality is crucial in high-stress environments where components are constantly subjected to vibrations or cyclic loading, such as in aerospace, automotive, and industrial applications. Not only does special steel possess impressive mechanical properties, but it also boasts exceptional resistance to extreme temperatures. It retains its strength and integrity even at elevated temperatures, making it suitable for use in high-temperature environments like power plants, furnaces, and chemical processing industries. Furthermore, special steel excels in wear resistance, enabling it to withstand abrasive conditions encountered in mining, construction, or manufacturing processes. This reduces the need for frequent maintenance or replacement, resulting in cost savings and increased productivity. In conclusion, special steel's outstanding performance in high-stress environments can be attributed to its unique combination of strength, durability, corrosion resistance, fatigue resistance, temperature resistance, and wear resistance. Its ability to withstand extreme conditions makes it the ideal choice for critical applications where reliability and safety are of utmost importance.
- Q: What are the specific requirements for special steel used in the marine shafting industry?
- The marine shafting industry has specific requirements for special steel, which are as follows: 1. Corrosion Resistance: The steel used in marine shafting must possess a high resistance to corrosion, as it is exposed to harsh marine conditions. It should be able to withstand saltwater, humidity, and other corrosive elements without deteriorating. 2. Strength and Toughness: Marine shafting steel should have high strength and toughness to withstand the heavy loads and vibrations experienced in marine operations. It should be able to handle continuous stress and dynamic loads without failing or deforming. 3. Fatigue Resistance: The steel used in marine shafting should have excellent fatigue resistance to endure the cyclical loading during operation. It should be able to withstand millions of load cycles without developing cracks or fractures. 4. Dimensional Stability: Special steel used in marine shafting must maintain dimensional stability to ensure accurate alignment and fit within the machinery. It should have minimal dimensional changes under varying temperature and humidity conditions to preserve the integrity of the shaft system. 5. Machinability: The steel used in marine shafting must be easily machinable to create intricate shapes, such as propeller shafts and couplings. This allows for efficient manufacturing and maintenance of the shafting components. 6. Non-Magnetic Properties: Special steel used in marine shafting should have low magnetic permeability to avoid interfering with sensitive navigation and communication equipment. Non-magnetic properties minimize the risk of compass errors and electromagnetic interference. 7. Certification and Compliance: The steel used in marine shafting should meet specific industry standards and certifications, such as those established by classification societies like the American Bureau of Shipping (ABS) or the International Association of Classification Societies (IACS). These certifications ensure the steel's quality, performance, and compliance with safety regulations. By meeting these specific requirements, the special steel used in marine shafting guarantees reliable performance, durability, and safety in marine applications.
- Q: Can special steel be used in mining applications?
- 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: What are the different methods of preventing stress relaxation in special steel?
- Some of the different methods of preventing stress relaxation in special steel include heat treatment, surface coating or plating, stress relieving, and proper design and engineering of the components. These methods help to minimize the relaxation of stress in the steel, ensuring its performance and durability over time.
- Q: Can special steel be used in the cement manufacturing industry?
- Yes, special steel can be used in the cement manufacturing industry. Special steel is often used for various applications in the cement industry, such as in the construction of kilns, crushers, mills, and other heavy-duty equipment. Its high strength, corrosion resistance, and durability make it suitable for withstanding the harsh conditions and abrasive materials involved in cement production.
- Q: What are the different methods of protecting special steel against corrosion?
- There exists a variety of techniques for safeguarding special steel from corrosion. Some commonly employed methods are as follows: 1. Application of Coatings: One of the most efficient approaches to prevent corrosion is to apply a protective coating onto the steel surface. This can be accomplished using diverse techniques like hot-dip galvanization, electroplating, or painting. The coatings act as a barrier, effectively preventing moisture and corrosive substances from coming into contact with the steel. 2. Utilization of Cathodic Protection: This method involves the use of either a sacrificial anode or an impressed current to shield the steel. In sacrificial anode cathodic protection, a more reactive metal is connected to the steel, thereby causing the sacrificial metal to corrode instead of the steel. Conversely, impressed current cathodic protection employs an external power source to provide a continuous flow of electrons, thus halting the corrosion process. 3. Alloying: The addition of specific elements to special steel can enhance its resistance against corrosion. For instance, stainless steel contains chromium, which forms a passive oxide layer on the surface, providing protection against corrosion. Likewise, the inclusion of elements like nickel, molybdenum, or copper can improve the steel's resistance to corrosion. 4. Passivation: Passivation is a chemical process that involves treating the steel with an acid solution to eliminate any impurities present on the surface. This process facilitates the formation of a protective oxide layer, thereby preventing further corrosion. 5. Use of VCI (Volatile Corrosion Inhibitors): VCI compounds are chemicals that emit vapors, forming a protective layer on the steel surface. This layer acts as a barrier, effectively safeguarding the steel against moisture and corrosive substances, thereby preventing corrosion. 6. Proper Maintenance and Cleaning: Regular maintenance and cleaning of the steel surface can significantly prolong its lifespan and prevent corrosion. By eliminating dirt, debris, and corrosive substances from the surface, the likelihood of corrosion is greatly reduced. It is essential to note that the selection of the appropriate method relies on various factors, such as the type of steel, the environmental conditions it will be exposed to, and the expected lifespan. Seeking guidance from corrosion experts or engineers can aid in determining the most suitable method for protecting special steel against corrosion.
- Q: How does special steel contribute to the automotive racing machinery industry?
- The automotive racing machinery industry greatly relies on special steel to enhance the performance, durability, and safety of racing vehicles. One significant benefit of special steel is its ability to boost the power and speed of racing cars. Steel alloys like carbon fiber-reinforced steel or high-strength steel offer exceptional strength-to-weight ratios, enabling manufacturers to reduce vehicle weight without compromising structural integrity. This weight reduction enhances acceleration and maneuverability, resulting in increased speed and improved lap times on the track. Apart from performance improvements, special steel also makes racing vehicles safer. Certain steel alloys possess high strength and impact resistance, making them ideal for constructing roll cages, chassis, and other critical safety components. These materials can withstand extreme forces during crashes or collisions, providing enhanced protection for drivers and minimizing the risk of severe injuries. Special steel also contributes to the longevity and durability of automotive racing machinery. The demanding conditions of racing, including high temperatures, vibrations, and mechanical stress, can quickly deform or deteriorate regular steel. However, special steel alloys are specifically engineered to withstand these harsh environments, ensuring racing cars can withstand the sport's rigorous demands without compromising performance or safety. Furthermore, special steel alloys offer excellent thermal conductivity and heat resistance, which are essential for racing vehicles that generate substantial heat during high-speed runs. By efficiently dissipating heat, special steel helps prevent overheating and ensures optimal engine performance, minimizing the risk of mechanical failures and maximizing the lifespan of racing machinery. In summary, special steel significantly contributes to the automotive racing machinery industry by enhancing the performance, durability, and safety of racing vehicles. The use of high-performance steel alloys increases speed, improves lap times, and reduces vehicle weight. Additionally, it provides superior strength and impact resistance, enhancing safety during crashes or collisions. Moreover, special steel alloys offer excellent heat resistance and thermal conductivity, ensuring optimal engine performance and prolonging the lifespan of racing machinery.
- Q: What are the challenges in welding special steel alloys?
- Welding special steel alloys presents various obstacles due to their distinct properties and composition. Key challenges encountered when welding special steel alloys include the following: 1. Elevated melting point: Special steel alloys typically possess higher melting points compared to regular steel, necessitating increased heat input during the welding process. This can create difficulties in achieving proper fusion and may require specialized welding equipment and techniques. 2. Disparity in thermal expansion: Special steel alloys may exhibit different coefficients of thermal expansion in comparison to the base metal or other materials being joined. This can result in the development of stress and distortion during welding, impacting the structural integrity of the welded joints. 3. Heat sensitivity: Certain special steel alloys are more susceptible to heat-affected zone (HAZ) cracking and other forms of weld defects. The heightened heat input during welding can induce the formation of brittle phases or precipitates, leading to reduced mechanical properties and potential weld failures. 4. Metallurgical alterations: Welding special steel alloys can bring about significant metallurgical changes in the base metal and the heat-affected zone. These changes encompass the formation of new microstructures, variations in hardness, and modifications in chemical composition. Such alterations can affect the overall performance and properties of the welded joints. 5. Pre-weld and post-weld treatments: Specific pre-weld and post-weld treatments are often required for special steel alloys to minimize the risk of weld defects and optimize the properties of the welded joints. These treatments may encompass preheating, post-weld heat treatment, or the utilization of specialized filler metals to ensure adequate weld integrity. 6. Limited consumable availability: Special steel alloys may have a limited selection of suitable consumables, such as filler metals and shielding gases, which are vital for achieving high-quality welds. The absence of appropriate consumables can make it challenging to find compatible materials that offer sufficient strength and corrosion resistance in the welded joints. To overcome these challenges effectively, it is essential to possess a comprehensive understanding of the specific properties and requirements of the special steel alloy being welded. The utilization of proper welding techniques, including heat control, filler material selection, and post-weld treatments, is crucial to ensure welds of superior quality with optimal mechanical properties and structural integrity. Moreover, collaborating with material suppliers, welding experts, and adhering to industry standards and guidelines can facilitate the effective resolution of challenges associated with welding special steel alloys.
- Q: What are the applications of high-strength low-alloy (HSLA) steel?
- High-strength low-alloy (HSLA) steel finds applications in various industries such as automotive, construction, and manufacturing. It is commonly used in the production of lightweight and durable vehicle components, structural beams, pipelines, and machinery parts. HSLA steel's enhanced strength and toughness make it ideal for applications where weight reduction, increased load-bearing capacity, and resistance to corrosion and impact are crucial.
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4Cr5MoSiV1 Mould Steel Special Steel Alloy Steel
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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