Uncovering AR400 Steel: Key Properties for Your Projects

Understanding AR400 Steel

AR400 steel is a high-carbon alloy steel known for its hardness and wear resistance. It is commonly used in applications where strength and durability are vital. In this guide, we’ll uncover the key properties of AR400 steel that make it suitable for various projects.

Composition and Hardness

AR400 steel typically contains 0.28-0.34% carbon, providing it with a high level of hardness. This alloy is designed for specific applications that require enhanced wear resistance. The Brinell hardness ranges from 360 to 440 HB, making it an excellent choice for heavy-duty applications.

Mechanical Properties

The mechanical properties of AR400 steel contribute significantly to its performance:

• Tensile Strength: 110,000 psi (minimum).
• Yield Strength: 100,000 psi (minimum).
• Elongation: 14% in 8 inches.

These properties make AR400 steel ideal for applications that experience high levels of impact and abrasion.

Weldability and Fabrication

While AR400 steel is incredibly tough, it can be challenging to weld due to its hardness. Preheating before welding and using proper techniques can enhance weldability. It is recommended to consult with a welding expert and employ suitable filler materials to ensure a strong bond without compromising performance.

Applications of AR400 Steel

AR400 steel is widely used in various industries, including:

• Construction: Ideal for heavy equipment and structural components.
• Mining: Perfect for wear parts like buckets and mining machinery.
• Agriculture: Used in plow blades and tilling equipment.
• Transportation: Applicable in the manufacturing of trailers and truck beds.

Its versatility makes it a preferred choice in environments with high wear and tear.

Corrosion Resistance

While AR400 steel offers excellent wear resistance, it is essential to note its susceptibility to corrosion. Applying protective coatings or using stainless steel in combination with AR400 can enhance its resistance to corrosive environments, ensuring longevity in your projects.

Conclusion

AR400 steel is a formidable material known for its impressive hardness and wear characteristics. Understanding its properties and limitations is essential for successful project planning. Whether you're in construction, mining, or agriculture, AR400 steel’s durability and strength can significantly contribute to the efficiency and effectiveness of your operations.

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