AISI mold steel types

AISI mold steel types are integral to the manufacturing and tooling industries, providing the necessary durability and strength required for mold production. Understanding these types can help manufacturers select the best steel for their specific applications. Below, we explore various AISI mold steel types, highlighting their characteristics and uses.

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1. AISI P20 Steel

AISI P20 is a pre-hardened tool steel known for its excellent toughness and good wear resistance. It is commonly used in applications where moderate to heavy-duty performance is required. Here are key points about P20:

• Applications: Primarily used in injection molds and die-casting.
• Hardness: Typically hardened to a range of 28-32 HRC.
• Heat Treatment: Can be easily machined in its pre-hardened state.

2. AISI H13 Steel

AISI H13 is a hot work tool steel that exhibits exceptional resistance to thermal fatigue and heat. This makes it a popular choice for molds that are used under high temperatures. Key aspects include:

• Applications: Ideal for die-casting and hot forging applications.
• Hardness: Generally achieves a hardness of 44-48 HRC.
• Heat Treatment: Requires specific heat treatment for optimal performance.

3. AISI D2 Steel

AISI D2 is known as a high-carbon, high-chromium tool steel that showcases excellent wear resistance. It is ideal for producing molds that need to withstand abrasive materials. Consider these attributes:

• Applications: Suitable for dies and cutting tools.
• Hardness: Can be hardened to 58-62 HRC.
• Heat Treatment: Requires a more complex heat treatment process to achieve desired properties.

4. AISI S7 Steel

AISI S7 is an air-hardening shock-resistant steel, making it a preferred option for molds needing high impact resistance. Its versatility adds to its popularity. Key points include:

• Applications: Frequently used in plastic molds and tooling.
• Hardness: Achieves a hardness level of about 55-59 HRC.
• Heat Treatment: Simple and effective heat treatment can be performed.

5. AISI L6 Steel

AISI L6 is a low-alloy tool steel known for its high toughness and ability to withstand impact. It is particularly advantageous in applications where heat treatment is essential. Key features include:

• Applications: Commonly utilized in heavy-duty molds and die projects.
• Hardness: Generally hardens to about 58-62 HRC.
• Heat Treatment: Primarily suitable for oil hardening processes.

In conclusion, when selecting from the AISI mold steel types, it is crucial to consider the specific requirements of the application, including hardenability, wear resistance, and toughness. Understanding these characteristics not only aids in making an informed decision but also enhances the overall efficiency and lifespan of the molds produced.

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