1.2379 vs. 1.4301

Attribute	1.2379	1.4301
Material Type	Tool Steel	Stainless Steel
Composition	Carbon, Chromium, Molybdenum, Vanadium	Chromium, Nickel
Hardness	58-62 HRC	≤ 215 HB
Corrosion Resistance	Low	High
Applications	Tool making, cold work applications	Food processing, chemical industry

Introduction

When it comes to choosing the right material for a specific application, it is important to consider the attributes of different types of steel. In this article, we will compare the properties of two popular steel grades - 1.2379 and 1.4301. By understanding the differences between these two materials, you can make an informed decision on which one is best suited for your needs.

Chemical Composition

1.2379 is a high carbon, high chromium steel that is known for its excellent wear resistance and toughness. It contains around 1.55% carbon, 11.5% chromium, and small amounts of vanadium and molybdenum. On the other hand, 1.4301 is an austenitic stainless steel with a lower carbon content of about 0.07% and higher chromium content of 17-19%. It also contains nickel and manganese for improved corrosion resistance.

Hardness and Strength

Due to its high carbon and chromium content, 1.2379 has a high hardness level of around 60-62 HRC. This makes it ideal for applications that require excellent wear resistance, such as cutting tools and dies. On the other hand, 1.4301 has a lower hardness level of around 200 HB, but it offers good strength and ductility. This makes it suitable for applications that require formability and corrosion resistance, such as kitchen sinks and food processing equipment.

Corrosion Resistance

1.2379 is not a stainless steel and is prone to corrosion if not properly maintained. It is important to keep this material clean and dry to prevent rusting. On the other hand, 1.4301 is a stainless steel that offers excellent corrosion resistance in a wide range of environments. It is resistant to most acids, alkalis, and salts, making it suitable for use in harsh conditions.

Heat Treatment

1.2379 is a tool steel that can be hardened through heat treatment processes such as quenching and tempering. This allows for the material to achieve high hardness levels while maintaining good toughness. On the other hand, 1.4301 is not typically heat treatable, as it is an austenitic stainless steel that gains its properties through cold working and annealing processes.

Applications

• 1.2379: Due to its high hardness and wear resistance, 1.2379 is commonly used in the manufacturing of cutting tools, cold work dies, and precision components. It is also used in the production of plastic molds and extrusion tools.
• 1.4301: 1.4301 is widely used in the food and beverage industry for the production of kitchen equipment, sinks, and food processing machinery. It is also used in architectural applications, such as cladding, roofing, and decorative elements.

Conclusion

In conclusion, both 1.2379 and 1.4301 have unique properties that make them suitable for different applications. While 1.2379 offers high hardness and wear resistance, 1.4301 provides good corrosion resistance and formability. By understanding the differences between these two materials, you can choose the one that best meets your specific requirements.