AR500 / 500F Alloy Steel Armor Plate
Exploring AR500 / 500F Alloy Steel Armor Plate
AR500 plates provide exceptional surface hardness, making them ideal for high-impact and wear-resistant applications.
Understanding AR500 Steel
AR500 is classified as a grade of abrasion-resistant (AR) steel plate that is appreciated for its remarkable hardness, durability, and resistance against wear. This grade boasts one of the highest hardness levels among common AR steel plate grades, with a Brinell Hardness Number (BHN) ranging from 460 to 544. Due to these properties, AR500 steel is frequently employed in industries that require materials to endure heavy wear and impact. Furthermore, it adheres to ASTM E10 standards for Brinell hardness assessment.
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Key Features:
- Ideal for high-wear applications such as mining equipment and handling concrete.
- Surface hardness typically falls between 470 and 540 BHN.
- Outstanding resistance to sliding, rubbing, and heavy wear conditions.
- Can endure high-impact stresses, even under extremely low temperatures.
- Composition and hardening methods may vary by manufacturer. Mill test reports are provided with every order.
Advantages of AR500 Steel
The unique combination of hardness and toughness in AR500 steel plate allows it to resist both wear and impact effectively. These attributes ensure that AR500 is a durable, long-lasting material, crucial for applications demanding high wear resistance.
Due to its longevity, AR500 requires less frequent replacement compared to materials with lower abrasion resistance, ultimately leading to reduced material costs and minimizing the risk of significant equipment failures.
To delve further into abrasion-resistant steel and compare AR400, AR450, and AR500, additional resources can be helpful.
Available Sizes
Leeco® Steel offers a variety of standard sizes for AR500 steel plate, with the option for special orders on other sizes.
| THICKNESS | WIDTH | LENGTH | |
|---|---|---|---|
| AR500 | 3/16" – 2" | 48" – 96" | Up to 480" |
Abrasion Resistant Steel Characteristics
Abrasion resistant steel is a form of high-carbon alloy steel designed to withstand wear and tearing forces. It is available in multiple grades, including AR200, AR235, AR400, AR450, AR500, and AR600.
Heat Treatment: Quenching & Tempering
The process of quenching and tempering involves two heat treatment stages. Through this method, the steel's grain structure is altered to enhance its hardness and toughness. The initial phase involves heating the steel to above its critical temperature followed by rapid cooling with water. The subsequent tempering phase consists of re-heating to a sub-critical temperature before allowing air cooling.
Brinell Hardness Evaluation
The hardness level of abrasion-resistant steel is determined via a Brinell hardness test. This assessment employs a steel ball that inflicts a force on the material. The resulting indentation is measured to derive the Brinell hardness number (BHN).
Average Brinell Hardness Numbers (BHNs) for various Abrasion Resistant Steel Grades:
| Grade | BHN |
|---|---|
| AR200 & AR235 | 180-260 |
| AR400 | 360-440 |
| AR450 | 430-480 |
| AR500 | 460-544 |
| AR600 | 570-625 |
Standards for this testing are regulated by ASTM International under E10 specifications.
Common Applications
Abrasion resistant steel commonly finds applications in areas requiring high wear resistance, such as backhoe buckets and teeth, bulldozer blades, dump truck beds, coal and ore chutes, augers, and aggregate conveyors. Additionally, AR500 steel is favored for shooting targets and armor applications due to its higher hardness levels without compromising on brittleness.
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