EN24 steel is a high-strength alloy steel, which is preferred in many industrial fields. It contains special elements such as carbon, nickel, chromium, and molybdenum, which give EN24 steel the characteristics of high tensile strength, good ductility, and impact resistance. In addition, EN24 steel can be used between 850 to 1000 N/mm ² (T condition) to 1550 N/mm ² Within the range of heat treatment, it has various tensile strengths under the “Z” condition.EN24 steel can achieve good impact value at low temperatures. In this blog, we can learn about the characteristics of this mature steel grade.

EN24 Steel Equivalents

The popularity of EN24 alloy steel has inspired many countries to explore and explore the possibilities of high-strength nickel-chromium-molybdenum steels to meet their needs. These are some examples of international equivalents to EN24:

• USA: Aerospace 4340
• Germany: 34CrNiMo6
• France: 1.6582
• Sweden: 34NiCrMo8 / 35NCD6
• Spain: 14.2541
• Japan: F1.272, SNCM447, S95 / S119

EN24 Steel Properties

EN24, particularly in its heat-treated condition (EN24T), combines high tensile strength with excellent shock resistance. It’s a versatile material that can be readily worked, forged, or stamped. Machining EN24 is possible both in the annealed condition and after hardening and tempering.

EN24 Steel: Strength and Versatility

EN24, especially in its heat-treated form (EN24T), combines exceptional tensile strength with outstanding shock resistance. It’s a versatile material that lends itself to forging, stamping, and machining with ease. The machinability of EN24 varies:

• In the annealed condition: Approximately 53% of mild steel (070M20).
• As EN24T: Machinability ranges from 35% to 40% of mild steel (070M20).

EN24 Applications

The automotive and aerospace sectors have been using EN24 for a very long time, going back to the early 1900s. Due to its excellent tensile qualities, it is currently mostly referred to as EN24T. Some common applications include:

• Power transmission gears and components require maximum hardness.
• Crankshafts, axles, propellers,s, and gearbox shafts need high tensile properties.
• Connecting rods, special cranks, and parts demanding stiffness and toughness.
• Bolts, screwed components, stub axles, and swivel arms require toughness.
• Parts for the plastics and rubber molding industry, such as mold components, hob retaining rings, and stop pins.
• Structural components with high tensile requirements.

EN24 Round Bar and Flat Sections

The dimensions of En24 steel include round rods with diameters ranging from 6.35 millimeters to about 1 meter, thus meeting the needs of people with different size requirements. In addition, for specific industries, EN24 steel can also be cut to the required size through a large forging machine. If you need EN24 steel but cannot find a suitable size, then OTAI Special Steel Company may be able to help you. And our steel prices can make your eyes shine.

EN24 Heat Treatment

EN24 can undergo various heat treatment processes. The conventional hardening and tempering method involves heating the steel to 830-850°C, followed by rapid quenching in oil. Tempering is performed once the steel reaches room temperature. For hardening from the T condition, full annealing before heat treatment is recommended.

Welding EN24

While welding EN24 in its annealed state is feasible, it’s not recommended to weld EN24T (its standard supply condition) or versions with higher tensile strength. Cracking risks arise due to the heat of the welding process. Welding EN24 annealed necessitates the use of low hydrogen electrodes, heating to around 200-250°C, and maintaining that temperature throughout the welding process.

Stress Relieving EN24

Stress relieving before hardening is advisable, especially after welding or extensive machining. Heat EN24 to 650-670°C, soak, and then cool in the furnace or in the air.

EN24 Steel: A Chronicle of Excellence

EN24 boasts a storied history, with its origins likely dating back to the late 19th century within the steel mills of Sheffield, UK. In those days, many steel producers concealed their compositions under unique names, and a catalog of commonly used steel grades was deemed necessary. This gave birth to BS970 EN steels, offering comprehensive insights into chemical composition and properties.

EN24 made its official debut in 1916 under the British Engineering Standards Association (BESA) as ‘E.S.C. 1 ½ PER CENT NICKEL-CHROME STEEL.’ Over the years and through wartime rationalization, it evolved into 817M40 in 1970, a name change aimed at simplifying steel nomenclature. Despite the passage of over 50 years, “EN24” remains a beloved designation among many.

EN24 Steel: A Historical Perspective

EN24 has a storied past, likely dating back to the late 19th century in the steel mills of Sheffield, UK. However, the multitude of steel producers during that era often concealed their compositions under unique names. The need for cataloging commonly used steel grades led to the formulation of BS970 EN steels, offering comprehensive insights into the chemical composition and properties.

EN24 made its official debut in 1916 when it was published in the British Engineering Standards Association (BESA) as ‘E.S.C. 1 ½ PER CENT NICKEL-CHROME STEEL.’ After several evolutions and wartime rationalization of steel specifications, it became known as 817M40 in 1970. This designation aimed to simplify steel naming conventions, but many still prefer the venerable moniker “EN24.”

In summary, EN24 alloy steel has a remarkable history, enduring popularity, and a prominent place in the world of materials engineering. Its versatility, high tensile properties, and heat-treatable characteristics continue to make it a valuable asset in a wide range of applications.

EN24 steel, a versatile alloy celebrated for its exceptional properties, plays a vital role in numerous industries. Let’s embark on a journey to explore the world of EN24 steel applications and discover how this remarkable material elevates performance and reliability in various sectors.

1. Application of EN24 steel in the automotive industry

EN24 steel is the backbone of high-performance engines, contributing to the manufacture of critical components such as crankshafts, gears, and axles. Its remarkable tensile strength and resistance to shock ensure the efficiency and durability of automotive masterpieces.

2. Application of EN24 steel in the field of power gears

In the realm of power transmission gears, EN24 steel stands out with its extraordinary hardness. These gears are the linchpin of machinery in multiple industries, and EN24 steel empowers them to withstand substantial pressure and maintain efficiency.

3. Maritime Resilience: Navigating with Confidence

The maritime industry relies on materials that can endure the most unforgiving environments. EN24 steel provides the requisite tensile properties and fatigue resistance to fabricate propeller shafts capable of withstanding extreme conditions.

4. Engine Vitality: The Role of Connecting Rods

In the domain of engines, components like connecting rods demand unwavering tensile strength. EN24 steel ensures that these rods offer reliability and precision, even in the most demanding scenarios.

5. Bolts of Strength: Securing Various Applications

Fasteners, particularly bolts, are the unsung heroes of countless industries. EN24 steel’s toughness guarantees that bolts can hold together under significant loads, providing essential stability.

6. Precision in Molding: EN24 in the Rubber and Plastics Industry

The plastics and rubber molding industry relies on EN24 steel for precision and durability in components like mold parts, retaining rings, and stop pins. This ensures high-quality manufacturing output.

7. Structural Excellence: EN24 Steel in Industry

In sectors where structural integrity is paramount, EN24 steel shines. Components requiring high tensile strength, including axles and shafts, are often crafted from EN24 steel, ensuring the safety and longevity of vital structures.

As we explore the diverse landscape of EN24 steel applications, it becomes clear that its adaptability and strength make it an invaluable asset. From automotive and aerospace to manufacturing, EN24 steel consistently enhances performance and reliability. If you are looking for a reliable supplier like EN24 Steel, then Otai Special Steel will be a trustworthy supplier. This comprehensive guide highlights how EN24 Steel continues to drive industrial excellence across various domains.

EN24 steel is a remarkably versatile alloy with a broad spectrum of applications across various industries. In this comprehensive guide, we’ll explore the diverse and essential uses of EN24 steel, shedding light on its significant role in different sectors.

Introduction

EN24 steel, renowned for its high tensile strength, shock resistance, and ductility, has established its reputation as a reliable and adaptable material. Its mechanical properties make it suitable for a wide range of applications, as we’ll see.

Power Transmission Gears:

EN24 steel plays a pivotal role in power transmission gears, ensuring optimal performance. These gears require maximum hardness and durability to withstand the rigors of power transmission, and EN24 steel delivers these essential attributes.

Crankshafts and Axles:

In the automotive and industrial sectors, EN24 steel is the material of choice for crankshafts, axles, propeller shafts, and gearbox components. These parts require high tensile properties and exceptional toughness, which EN24 steel provides.

Connecting Rods and Special Cranks:

Connecting rods and specialized cranks must balance stiffness and toughness. EN24 steel’s unique combination of characteristics allows it to excel in these applications, providing the strength and durability needed for optimal performance.

Bolts and Fasteners:

For critical components like bolts, screws, stub axles, and swivel arms, EN24 steel is a preferred choice. These parts require exceptional toughness to withstand heavy loads, and EN24 steel meets these demands effectively.

Plastics and Rubber Molding Industry:

The plastics and rubber molding industry relies on EN24 steel for precision and durability. It’s a preferred material for creating molds, hob retaining rings, and stop pins, contributing to the production of high-quality molded products.

Structural Components:

EN24 steel’s high tensile strength makes it ideal for structural components. In applications where structural integrity is paramount, this steel ensures that the components meet stringent safety and performance standards.

Conclusion

EN24 steel’s diverse applications are a testament to its remarkable properties. From power transmission gears to structural components, it continues to be an indispensable material in various industries, offering strength, toughness, and durability.

FAQs

Q1: Are there different variants of EN24 steel for various applications?

A1: Yes, EN24 steel is available in various conditions, each tailored to specific applications, including EN24T, EN24U, EN24V, EN24W, EN24X, EN24Y, and EN24Z.

Q2: Can EN24 steel be welded?

A2: EN24 can be welded in its annealed condition. However, welding in its hardened state is not recommended, as it can affect its high tensile properties.

Q3: What are the heat treatment options for EN24 steel?

A3: EN24 steel can undergo various heat treatment processes, including hardening and tempering, plasma nitriding, nitriding, case hardening, carburizing, nitrocarburizing, induction hardening, flame hardening, and stress relieving.

Q4: How did EN24 steel’s nomenclature evolve over the years?

A4: EN24 steel was initially known as ‘E.S.C. 1 ½ PER CENT NICKEL-CHROME STEEL’ and went through several name changes before becoming known as 817M40 and EN24.

Q5: What are the mechanical properties of EN24 steel in different conditions?

A5: EN24 steel exhibits various tensile strengths in different conditions, ranging from 850 N/mm² to 1550 N/mm², with corresponding hardness values dependent on treatment and section size.

This in-depth exploration reveals the diverse uses of EN24 steel and its continued significance in various industries. Its adaptability, combined with its impressive mechanical properties, ensures it remains a reliable choice for a wide array of applications. If you also need reliable steel suppliers, OTAI Special Steel is definitely a trustworthy partner.

Welcome to a comprehensive exploration of EN24 steel hardness! In this detailed guide, we will unravel the mysteries behind the hardness of EN24 steel, a high-performance alloy that has been trusted for over a century. Because of its special combination of qualities, especially its remarkable toughness, EN24 steel is favored in a wide range of sectors. Thus, you’ve come to the correct spot if you’re keen to learn about the nuances of EN24 steel hardness and its importance.

What Sets EN24 Steel Apart?

Before delving into the realm of hardness, let’s first establish what makes EN24 steel a standout performer. The composition of 1.5% nickel, 1% chromium, and 0.2% molybdenum accounts for its remarkable properties. With heat treatment, this alloy can have a wide range of tensile strengths, making it a reliable and versatile material for many uses.

Decoding EN24 Steel Hardness

EN24 steel’s hardness is one of its most notable attributes. When in its heat-treated condition, it combines high tensile strength with remarkable resistance to shock. What’s more, EN24 steel retains good ductility even in low-temperature environments, ensuring its adaptability to diverse applications. In its annealed state, EN24 steel exhibits a machinability of approximately 53% of that of mild steel (070M20). In the EN24T condition, this value is around 35%-40% of mild steel. This means that EN24 steel can be effectively machined to meet specific requirements.

Applications of EN24 Steel Hardness

EN24 steel’s excellent hardness finds applications in various industries, such as manufacturing, aerospace, and automotive. Some notable uses include:

• Power transmission gears require maximum hardness.
• Cranks, axles, propellers, and gearbox shafts demand high tensile properties.
• Connecting rods, special cranks, and other components need to balance stiffness with toughness.
• Bolts, screwed parts, stub axles, and swivel arms where toughness is critical.
• Components for the plastics and rubber molding industry, like molds, hob retaining rings, and stop pins.
• Structural components with high tensile strength requirements.

Heat Treatment and Hardening

EN24 steel can undergo various heat treatment processes, including conventional hardening and tempering, plasma nitriding, nitriding, case hardening, carburizing, and more. Achieving specific hardness levels depends on factors like component size and shape. For instance, hardening and tempering involve heating the steel to 830-850°C and then quenching it in oil.

Mechanical Properties of EN24 Steel

The mechanical properties of EN24 steel vary based on its condition. For example, in the ‘T’ condition, it exhibits tensile strength ranging from 850-1000 N/mm², while in the ‘Z’ condition, it reaches up to 1550 N/mm².

Exploring EN24’s Rich History

EN24 steel has a history dating back over a century, with its roots in the steel mills of Sheffield. It was initially produced as a nickel chrome steel in the late 19th century. Over time, numerous steel producers worldwide developed their versions of this high-tensile alloy steel, with subtle composition differences.

Finding EN24 Steel Equivalents

Many countries created their equivalents to EN24, such as 4340 in the USA, 34CrNiMo6 in Germany, and 34NiCrMo8 in France. These foreign equivalents catered to local demands with slight variations in composition.

The EN24 Legacy

EN24 steel was officially recognized in 1916 under the British Engineering Standards Association (BESA) as ‘E.S.C. 1 ½ PER CENT NICKEL-CHROME STEEL.’ It later became part of the British Standards Institution (BSI) and saw a name change to 817M40 in 1970.

Conclusion

EN24 steel’s hardness is a key attribute that contributes to its wide-ranging applications. Understanding its properties and heat treatment options is essential when considering this alloy for your projects. Whether you’re in the automotive, aerospace, or manufacturing sector, EN24 Steel’s legacy and versatility make it a top choice for high-performance applications.

FAQs

What makes EN24 steel hardness unique?

EN24 steel uniquely combines high tensile strength with excellent shock resistance, making it suitable for applications requiring both strength and toughness.

Are there international equivalents to EN24 steel?

Yes, EN24 steel has international equivalents, such as 4340 in the USA, 34CrNiMo6 in Germany, and SNCM447 in Japan, with slight compositional variations.

How is EN24 steel heat-treated to achieve specific hardness levels?

EN24 can be heat-treated through various processes, including hardening and tempering, plasma nitriding, case hardening, carburizing, and more, to achieve desired hardness levels.

What are the typical applications of EN24 steel in the manufacturing sector?

EN24, especially in the EN24T condition, is used for power transmission gears, crankshafts, axles, connecting rods, and structural components requiring high tensile strength.

How has the steel’s nomenclature evolved over the years?

EN24’s nomenclature evolved from a unique brand name in the late 19th century to becoming part of British standards as E.S.C. 1 ½ PER CENT NICKEL-CHROME STEEL in 1916. In 1970, it was renamed 817M40.

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In the world of manufacturing and engineering, the quest for the ideal materials to create strong, reliable, and durable products is never-ending. EN24 steel is one such material, celebrated for its exceptional properties. This comprehensive guide explores EN24 steel, delving into its composition, applications, heat treatment, and, most importantly, where to source it. If you’re looking for EN24 steel suppliers, you’ve come to the right place.

What is EN24 Steel?

EN24 steel has a lengthy history that dates back more than a century. EN24 is the designation for a nickel, chromium, and molybdenum alloy steel. Its chemical composition includes approximately 1.5% nickel, 1% chromium, and 0.2% molybdenum, which explains why it is so highly sought after in a variety of industries.

The Quest for Equivalents

EN24’s popularity has led to the production of similar alloy steels worldwide, each with subtle differences in composition. Here are some equivalents from different countries:

• USA: 4340 (AISI/SAE)
• Germany: 34CrNiMo6 (DIN)
• France: 1.6582 (Werkstoff)
• Sweden: 34NiCrMo8/35NCD6 (SIS)
• Spain: 14.2541 (UNE)
• Japan: SNCM447 (JIS)
• Aerospace Industry: S95/S119

These equivalents showcase the global demand for high-tensile, nickel-chrome-molybdenum steel like EN24.

Properties and Applications

EN24’s heat-treated condition offers an excellent combination of high tensile strength and shock resistance. It’s easily workable, whether forged or stamped. Some of its diverse applications include power transmission gears, cranks, axles, propeller and gearbox shafts, connecting rods, bolts, and structural components. It’s even utilized in the plastics and rubber molding industry for molds and related parts.

EN24 Steel Suppliers

Now, the crucial question: where can you find reliable EN24 steel suppliers? Several companies specialize in providing this high-quality material. When selecting a supplier, ensure they offer EN24 in various forms, including round bars and flat sections. Moreover, consider their heat treatment services, as different processes are available, such as hardening and tempering, plasma nitriding, nitriding, case hardening, and more.

Conclusion

EN24 steel and its equivalents have a rich history and find application in a wide array of industries. Choosing the right supplier for your EN24 steel needs is paramount for ensuring product quality and performance.

EN24 steel and its equivalents have a rich history and find application in a wide array of industries. Choosing the right supplier for your EN24 steel needs is paramount for ensuring product quality and performance. OTAI Special Steel is a supplier of high-standard material quality and services.

FAQs

1. What is the composition of EN24 steel?

2. Can EN24 steel be welded?

While EN24 can be welded when it is annealed, it is not advised to weld EN24T or higher tensile variations because of the possibility of cracking

3. What are some applications of EN24 steel?

EN24 steel is used for power transmission gears, cranks, axles, propellers, gearbox shafts, connecting rods, bolts, structural components, and parts in the plastics and rubber molding industry.

4. Are there any heat treatment options for EN24 steel?

Yes, EN24 can undergo various heat treatment processes, including hardening and tempering, plasma nitriding, nitriding, case hardening, carburizing, nitrocarburizing, induction hardening, flame hardening, and stress relieving.

5. How does EN24 compare to its equivalents in different countries?

EN24’s equivalents from various countries, such as 4340 in the USA and 34CrNiMo6 in Germany, have similar compositions and properties, making them suitable for comparable applications.

When it comes to steel, the quest for the perfect alloy is never-ending. EN24, a well-established steel grade, has served various industries for over a century. But what if you’re looking for an equivalent? Perhaps you need a different option for your specific application? This blog delves into the realm of EN24 steel equivalents.

What Is EN24 Steel?

EN24 is a sturdy steel alloy with high tensile strength, excellent ductility, and seismic resistance, making it the preferred choice for various industries.

EN24 Steel Equivalents 

Steel knows no borders, and various countries around the world have developed their own versions of nickel-chrome-moly steel to serve their industries. Below are some of the EN24 equivalents from around the world:

• USA (AISI): 4340
• Germany (DIN): 34CrNiMo6
• France (AFNOR): 34NiCrMo8 / 35NCD6
• Sweden (SIS): 14.2541
• Spain (UNE): F1.272
• Japan (JIS): SNCM447
• China (GB/T): 34Cr2Ni2Mo

These international equivalents cater to the diverse needs of different regions, offering similar properties to EN24.

EN24 Steel Properties and Applications

EN24, particularly in the ‘T’ condition, is renowned for its high tensile strength and shock resistance. It is also easy to machine and can be forged or stamped without difficulty. This versatility makes it an excellent choice for:

• Power transmission gears
• Cranks, axles, and shafts
• Connecting rods
• Bolts and screws
• Parts in the plastics and rubber molding industry
• Structural components requiring high tensile strength

Whether it’s a high-stress gear or a critical axle, EN24 can handle the pressure.

Typical Mechanical Properties for EN24

Heat Treatment and Machinability

EN24 can undergo various heat treatment processes, such as hardening, tempering, nitriding, and more. It’s machinable both in the annealed condition and when hardened and tempered, offering flexibility in manufacturing.

Welding and Stress-relieving

While EN24 can be welded in the annealed state, welding it in higher tensile conditions isn’t recommended due to the potential impact on its properties. Stress relieving can be beneficial after welding or heavy machining to ensure stability.

The History of EN24

EN24 boasts a rich history dating back to the late 19th century. Initially produced as nickel-chrome steel in Sheffield, various steel mills created their versions with unique names. However, during World War II, efforts to standardize steel specifications led to the birth of EN24, then known as ‘ESC 1 ½ percent NICKEL-CHROME STEEL.’ In 1970, it was officially designated as 817M40.

EN24’s journey highlights its enduring presence and continual adaptation to industry needs.

In your quest for the perfect steel alloy, understanding EN24 and its equivalents opens the door to a world of options. Whether you choose the classic EN24 or opt for one of its international counterparts, rest assured that these alloys have a strong global legacy and a promising future in various applications. If you need any help, please feel free to contact us!

Exploring 1.2085 Steel Equivalents: Properties and Applications

When it comes to understanding materials like 1.2085 steel and their alternatives, having a comprehensive overview is crucial. In this article, we’ll delve into the properties, characteristics, and application fields of 1.2085 steel equivalents. We’ll begin by revisiting the key properties of 1.2085 steel, followed by an exploration of potential alternatives, their chemical compositions, and performance attributes.

Revisiting the Characteristics of 1.2085 Steel

1.2085 steel stands out for its remarkable corrosion resistance, particularly when it’s hardened, and boasts a mirror-polished surface. Key properties of this steel include:

• Magnetizability
• Outstanding mechanical resistance and toughness.
• Exceptional suitability for components exposed to aggressive plastics.
• Excellent tool machinability thanks to its sulfur content.
• Adaptability to wet environments and moisture.
• Resilience against wear and corrosion.
• Dimensional stability during heat treatment.

To comprehend potential alternatives, let’s first examine the chemical composition of 1.2085 steel:

Mechanical properties can vary significantly based on the chosen heat treatment method, such as normalization, tempering, or quenching and tempering (QT). For detailed property insights, don’t hesitate to reach out to our sales team.

Mechanical Properties of 1.2085 Steel

Mechanical properties can vary significantly based on the chosen heat treatment method, such as normalization, tempering, or quenching and tempering (QT). For detailed property insights, don’t hesitate to reach out to our sales team.

Exploring Potential 1.2085 Steel Equivalents

Now, let’s embark on a journey to explore materials that can be considered 1.2085 steel equivalents. One such formidable alternative is AISI 420 FM, a tool steel renowned for its corrosion resistance. It comes highly recommended when you require excellent machinability, robust mechanical properties, and top-notch corrosion resistance. This makes it an ideal choice for applications involving aggressive plastics and the production of plastic molds. AISI 420 FM is widely embraced in automotive and mechanical engineering, the food industry, and scenarios where thermoplastics face chemical aggression and acid absorption.

Chemical Composition of Equivalent Materials

In our quest for alternatives, it’s imperative to closely examine the chemical composition of these materials. Martensitic stainless steels like AISI 420 FM are extensively utilized across various industries, including medicine, food production, and mold manufacturing. However, they might exhibit limitations in hardness and wear resistance when superior tribological properties are essential.

Enhancing Properties with Plasma Nitriding

To overcome these limitations, the application of plasma nitriding has emerged as a transformative process. It empowers martensitic stainless steels to achieve:

• Remarkably higher surface hardness.
• Enhanced anti-fatigue strength.
• Superior resistance to abrasion.
• Exceptional tribological properties.
• Plasma nitriding typically occurs at low temperatures, usually around 400–580°C, minimizing deformation during the cooling phase. Additionally, it obviates the need for specialized processes to remove passive oxide films.

Applications of 1.2085 Steel Equivalents

Materials akin to 1.2085 steel, such as AISI 420 FM, have discovered extensive applications across a diverse spectrum of industries:

1. Food Industry Molds: Their resistance to corrosion renders them indispensable for crafting molds that come into direct contact with food products.
2. PVC-related Applications: They excel in environments where corrosive materials like PVC are prevalent.
3. Dental and Surgical Instruments: The heightened corrosion resistance of these materials positions them as crucial components in the manufacturing of medical instruments.
4. Templates and Frameworks: Manufacturers frequently employ them in fabricating molding frames designed to withstand high-pressure environments and resist abrasion effectively.
5. Chemical Corrosion-resistant Plastic Molds: These materials play a pivotal role in molding operations that involve chemically corrosive plastics or environments with elevated humidity, thereby reducing the frequency of mold maintenance.
6. Structural Components and Injection Molds: Their versatility extends to the production of structural components and injection molds.
7. Valves: They find widespread usage in the manufacturing of steam and water valves.
8. Base Plates: These materials are extensively deployed in the production of corrosion-resistant, high-strength base plates.

In summary, while 1.2085 steel boasts unique properties and applications, our exploration of alternatives like AISI 420 FM underscores the importance of considering various materials with their distinct advantages and applications.