Special Steel 42CrMo/1.7225 Working Mould Steel

Special Steel 42CrMo/1.7225 Working Mould 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(%)

C	Si	Mn	Cr	Mo	Ni	P	S
0.38-0.45	0.17-0.37	0.50-0.80	0.90-1.20	0.15-0.25	≤0.030	≤0.030	≤0.030

Standard

GB	AISI	DIN	JIS	ISO
42CrMo	4140	42CrMo4	SCM440	42CrMo4

Available Size

Rolled round bar	φ20-120mm × L
Forged round bar	φ130-195mm × L

Heat Treatment

Item	Temperature℃	Hardness
quenching	840-880	HRC32-34
tempering	580	HRC32-34
quenching	900	HRC54-60
tempering	150-180	HRC54-60

Applications: The steel is suitable for manufacturing requires a certain strength and toughness of large and medium-sized plastic mold

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Special Steel 42CrMo/1.7225 Working Mould Steel

Q: How does special steel perform in cryogenic ductility?: Special steel performs well in cryogenic ductility. It is able to maintain its flexibility and ability to deform under low temperatures without experiencing brittleness or failure. This makes it suitable for applications in cryogenic environments where materials need to withstand extreme cold temperatures while maintaining their mechanical properties.

Q: What are the main applications of special steel in the pharmaceutical industry?: Special steel is widely used in the pharmaceutical industry for various applications. One of the main applications is in the manufacturing of pharmaceutical equipment and machinery, such as mixing tanks, reactors, and storage containers. Special steel is preferred for these applications due to its superior corrosion resistance, high strength, and durability, ensuring the safety and hygiene standards required in the pharmaceutical industry. Additionally, special steel is also used for the production of precision instruments and tools used in pharmaceutical research and development, ensuring accurate measurements and reliable results.

Q: How is special steel used in the production of engine components?: Special steel is used in the production of engine components due to its high strength, durability, and resistance to heat and corrosion. It is commonly used for manufacturing pistons, crankshafts, valves, and connecting rods, ensuring the engine's optimal performance and longevity. Additionally, special steel's ability to withstand extreme temperatures and stress makes it an ideal choice for critical engine parts, enabling them to function efficiently under demanding conditions.

Q: How does special steel contribute to the toughness of products?: Special steel contributes to the toughness of products through its superior strength, durability, and resistance to wear and corrosion. This high-quality steel is specifically engineered to possess exceptional mechanical properties and enhanced toughness, making it ideal for demanding applications. Its ability to withstand extreme conditions, impacts, and heavy loads ensures that products made from special steel are long-lasting, reliable, and capable of enduring harsh environments.

Q: What are the different surface treatment methods used for special steel?: Some of the different surface treatment methods used for special steel include galvanizing, electroplating, powder coating, heat treatment, and nitriding. Galvanizing involves applying a protective zinc coating to prevent corrosion. Electroplating uses an electrical current to deposit a layer of metal onto the surface of the steel, improving its appearance and corrosion resistance. Powder coating involves spraying a dry powder onto the steel and then baking it to create a durable and attractive finish. Heat treatment involves subjecting the steel to high temperatures and then cooling it rapidly to alter its properties, such as hardness or toughness. Nitriding is a process of diffusing nitrogen into the surface of the steel to improve its hardness, wear resistance, and corrosion resistance. These surface treatment methods are used to enhance the performance, durability, and aesthetic appeal of special steel.

Q: How does special steel contribute to the industrial machinery aftermarket industry?: By providing high-quality and durable components, special steel plays a vital role in the industrial machinery aftermarket industry. It enhances machinery performance and longevity, which is crucial in this industry. One of the main advantages of special steel is its exceptional strength and resistance to wear and tear. Regular steel components deteriorate quickly due to heavy loads, extreme temperatures, and corrosive environments. However, special steel alloys are specifically designed to withstand these harsh conditions. This ensures that machinery operates efficiently for a longer period. In addition, special steel offers excellent machinability, making it easier to manufacture intricate and precise components. This enables aftermarket manufacturers to produce replacement parts that fit perfectly into existing machinery. As a result, downtime during repairs and maintenance is minimized. Special steel's machinability also allows for customization, as it can be easily shaped and modified according to the specific requirements of different machinery models. Moreover, special steel's exceptional heat resistance makes it ideal for producing high-temperature components used in industrial machinery. These components need to withstand intense heat without losing their structural integrity. Special steel alloys possess excellent heat resistance properties, ensuring that machinery can operate at high temperatures without compromising performance or safety. Furthermore, special steel contributes to the industrial machinery aftermarket industry by providing corrosion-resistant components. Machinery in industries such as oil and gas or marine is often exposed to corrosive substances or environments. Regular steel components are susceptible to corrosion, leading to premature failure and expensive repairs. However, special steel alloys are highly resistant to corrosion, enhancing the durability and reliability of machinery in these demanding conditions. Overall, special steel's unique properties, including strength, machinability, heat resistance, and corrosion resistance, significantly contribute to the industrial machinery aftermarket industry. By utilizing special steel components, manufacturers can enhance machinery performance, durability, and longevity, reducing downtime, and improving overall operational efficiency.

Q: How does special steel contribute to the defense equipment industry?: Special steel plays a crucial role in the defense equipment industry by offering superior strength, durability, and performance characteristics that are essential for producing high-quality military equipment. This type of steel is specifically engineered to meet the demanding requirements of defense applications, ensuring the safety and effectiveness of military personnel and operations. One of the key contributions of special steel to the defense equipment industry is its ability to withstand extreme conditions and environments. Military equipment often operates in harsh conditions, including extreme temperatures, high pressures, corrosive environments, and impact forces. Special steel is designed to maintain its structural integrity and performance under these challenging conditions, providing a reliable and long-lasting solution for defense equipment. Moreover, special steel offers exceptional strength and toughness, making it ideal for manufacturing armored vehicles, tanks, and military aircraft. It provides a high level of protection against ballistic threats and can withstand projectile impacts and explosions. The use of special steel in defense equipment ensures the safety of military personnel and enhances their survivability in combat situations. Additionally, special steel is essential for the production of cutting-edge weaponry and munitions. It is used in the manufacturing of firearms, missiles, and artillery systems due to its excellent mechanical properties and ability to withstand high pressures. Special steel also enables precision engineering, ensuring the accuracy and reliability of military firearms and projectiles. Furthermore, special steel contributes to the defense equipment industry by supporting technological advancements. As technology continues to evolve, the defense sector requires materials that can meet the demands of modern warfare. Special steel can be tailored and optimized to meet specific performance requirements, allowing for the development of advanced defense systems such as stealth technology, electronic warfare, and precision-guided munitions. In conclusion, special steel plays a pivotal role in the defense equipment industry by providing the necessary strength, durability, and performance characteristics required for military applications. It ensures the safety and effectiveness of defense personnel and equipment, withstands extreme conditions, enables the production of advanced weaponry, and supports technological advancements in the defense sector.

Q: What are the main factors affecting the creep rupture strength of special steel?: The creep rupture strength of special steel is influenced by various key parameters. These factors can be categorized into several categories. Firstly, temperature plays a significant role in determining the creep rupture strength of special steel. The operating temperature affects atomic diffusion and dislocation movement, which in turn leads to accelerated deformation and eventual failure. Higher temperatures can greatly reduce the creep rupture strength of special steel. Secondly, the time duration of the applied load also affects creep rupture strength. Creep is a time-dependent phenomenon, meaning that the longer the steel is under stress, the more likely it is to experience rupture. The relationship between time and creep rupture strength is usually described by a power law equation, with longer durations resulting in lower rupture strength. The stress level is another critical factor that influences creep rupture strength. Higher levels of stress lead to faster deformation and shorter time to rupture. Therefore, it is important to ensure that the stress applied to special steel remains within an acceptable range to maintain its desired creep rupture strength. The microstructure of special steel is crucial in determining its creep rupture strength. Factors like grain size, grain boundary characteristics, and the presence of alloying elements all impact the steel's resistance to creep deformation and rupture. Fine-grained microstructures with a high density of grain boundaries tend to exhibit better creep resistance and higher rupture strength. The chemical composition of special steel also significantly affects its creep rupture strength. The addition of certain alloying elements, such as chromium, molybdenum, and vanadium, enhances the steel's high-temperature strength and resistance to creep deformation. These elements form stable carbides that hinder dislocation movement and improve the material's creep rupture strength. Furthermore, the heat treatment process used to modify the microstructure of special steel can also impact its creep rupture strength. Proper heat treatment optimizes grain size, the distribution of alloying elements, and overall microstructure, resulting in improved creep resistance and higher rupture strength. In conclusion, the creep rupture strength of special steel is influenced by temperature, time, stress level, microstructure, composition, and heat treatment. Understanding and controlling these parameters are vital in ensuring the desired performance and reliability of special steel in high-temperature and long-term applications.

Q: How does special steel contribute to improving product safety?: Special steel contributes to improving product safety in several ways. Firstly, special steel is known for its exceptional strength and durability, which enhances the structural integrity of various products. This ensures that they can withstand heavy loads, extreme temperatures, and other challenging conditions without compromising safety. Secondly, special steel often possesses excellent corrosion resistance, reducing the risk of product failure due to rust or degradation over time. Additionally, certain types of special steel offer high impact resistance and resistance to wear and tear, making products more resistant to damage and increasing their lifespan. Ultimately, by incorporating special steel into the manufacturing process, products can be made safer, more reliable, and longer-lasting for the benefit of consumers.

Q: How does special steel compare to other materials such as aluminum or titanium?: Special steel, when compared to other materials such as aluminum or titanium, offers a unique set of advantages and characteristics. Firstly, special steel is known for its exceptional strength and durability. It has a higher tensile strength compared to aluminum and titanium, making it ideal for applications that require withstanding heavy loads or high-stress environments. This strength also provides resistance against wear and tear, ensuring a longer lifespan of the material. Another significant advantage of special steel is its ability to maintain its mechanical properties at extreme temperatures. While aluminum and titanium may experience a significant decrease in strength at elevated temperatures, special steel retains its structural integrity, making it suitable for applications that involve high temperatures or thermal cycling. In terms of cost-effectiveness, special steel often proves to be more affordable than titanium, especially in large-scale production. Although aluminum is generally cheaper than special steel, it may not possess the same level of strength or resistance to corrosion, which could limit its applicability in certain industries. Moreover, special steel has excellent machinability and can be easily formed into different shapes and sizes, allowing for greater design flexibility. This quality makes it suitable for various industries such as automotive, aerospace, construction, and manufacturing, where complex components or structures are required. Lastly, special steel exhibits superior corrosion resistance compared to aluminum and titanium. It can be treated or coated to provide additional protection against rust and other forms of degradation, extending its lifespan even further. In summary, special steel outperforms aluminum and titanium in terms of strength, durability, temperature resistance, and corrosion resistance. Its cost-effectiveness, machinability, and versatility make it a preferred material in various industries, where high-performance and reliability are crucial factors.

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