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AR500 - Hardness 477-534 Brinell

What is AR500 Steel?

Much like AR450 and AR400, AR500 steel is a specific type of abrasion resistant steel  with a surface hardness of 477-534 BHN. It is a high-carbon steel alloy that provides greater impact and sliding abrasion resistance by comparison. However, this increase in strength and abrasion resistance will make the steel less malleable.

AR500 Steel Plate Sizes

Steel Warehouse can supply the following sizes of AR500 Steel:

  • .25”-0.315” thickness offered in 48”- 65” wide, cut to your requested length
  • .375”-2.00” thickness offered in standard sizes (96” x 240”/288”)
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Stacked AR500 abrasion resistant steel plate at Steel Warehouse.

Properties of AR500

AR500 steel is one of the more abrasion resistant steels available. As you increase hardness, however, you are creating a more rigid steel. This means that AR500 is less weldable and formable than other types of AR steel.

AR500 has the following chemical and mechanical properties:

  • Welding = Decent
  • Machining = Good
  • Abrasion Resistance = Excellent
  • Corrosion Resistance = Good
  • Forming = Fair

AR500 Steel Requirements

AR500 meets ASTM E10 standards for mechanical properties. The flatness and thickness standards are also 50% of that specified in ASTM A-6 with special tolerances available.


Benefits of AR500

The main benefit of AR500 steel plate, like any abrasion resistant steel, is its ability to resist wear and abrasion. Because of this, it can lead to less down time and can improve the longevity of your equipment by reducing erosion and wear. All of this, in turn, can lead to maximized production time. For more information regarding the differences between AR500, AR450, and AR400, visit our AR450 page here

Industries and Applications

AR500 can be used in many industries for many applications, including: 

A Quenched & Tempered product for applications requiring extreme abrasion resistance

Weldability Carbon equivalent of 0.79 Maximum, 0.69 Typical
Mechanical Properties (ASTM A370) Hardness 477-534 BHN (ASTM E10)
Yield Strength (Typical) 215 Ksi 1480 MPa
Tensile Strength (Typical) 240 Ksi 1655 MPa
Elongation (Typical) 8% (50.8mm gage)
Charpy V-Notch Impact
(ASTM A673, A370)
Standard size, -40F test temp, hardness
Specimen Orientation Impact Resistance (ft/lbs)
Standard Width 1/2 Width
Transverse (T-L) 12.0 6.0
Longitudinal (L-T) 14.0 7.0
Bend Test Plate Thinckness Inside Radius
0.118-0.3125 in. (3-8mm) 4.5T
0.3126-0.500 in. (8.1-12.7mm) 6.5T
0.50-0.750 in. (12.8-19mm) 8T
0.751-1.000 in. (19.1-25.4mm) 10T
Flatness Standards are 50% of that specified in ASTM A-6. Special tolerances are available.
Thickness The standards are 50% of that specified in ASTM A-6. Special tolerances are available.

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