What’s the difference? The main difference is the shock resistance. AR500 has higher abrasion resistance, but AR400 has higher impact resistance.
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The “AR” in AR500 steel actually stands for Abrasion Resistant, while the number, in this case 500, indicates the Brinell Hardness Number (BHN), which for most AR500 steels is between 460 and 544 is .
AR400 stands for abrasion resistant with a minimum hardness of 360 on the Brinell scale and a nominal hardness of 400. Typical uses of AR steel, classified as carbon steel, include chutes for mining gravel or coal, liners for heavy equipment, and silhouette targets for shooting ranges.
¼” AR400 will easily stop standard handgun calibers like 9x19mm, 40 S&W and 45 ACP and weighs only 10 pounds per square foot.
AR400 has a typical hardness range of 360-444 BHN, which is slightly lower than AR450. As with other abrasion-resistant steels, there is no defined chemistry, but the grade is determined by hardness.
AR500 has higher abrasion resistance, but AR400 has higher impact resistance.
AR400 is a temper steel and can be difficult to weld due to its high strength and hardenability. The base steel around the weld heats and cools rapidly during welding, resulting in a high hardness heat-affected zone (HAZ).
AR400, also known as Wearalloy 400 at Ford Steel, is a high carbon steel with a nominal hardness of 400 and a minimum hardness on the Brinell scale of 360 to 440.
It demonstrates excellent work hardening properties in service applications where impact and abrasion are predominant. This material will work harden under impact and moderate stress to a hardness of 500 BHN.
Tensalloy™ AR500 steel plates are non-formable due to their high strength and hardness. However, it can be formed with an inner radius of at least 10 t (where t is the sheet thickness) with the bending axis transverse to the rolling direction.
Education. Tensalloy™ 400 is specifically formulated for improved formability with low levels of carbon and sulfur to control inclusion shape. Up to . 75″ can be cold bent to a minimum inner bending radius of 3t (where t is the sheet thickness) with the bending axis transverse to the rolling direction..< /b>. p>
Wearalloy 500 or AR500 is a special type of abrasion resistant steel made by a heat treatment that through hardens the steel to create a highly impact resistant structure. The steel plate has a hardness of 477-534 BHN, which represents the hardness of the material by indenting an indentation scale.
If you’ve been looking for the best bulletproof vest option, chances are you’ve come across the affordable option of AR500 or AR550 steel core armor plates. Some of the nice things about steel core body armor is that they can withstand multiple hits in the same area of the plate.
Abrasion Resistant (AR) steel plate is a high carbon alloy steel plate. This means that AR is harder with the addition of carbon and malleable and weather resistant with added alloys.
AR500 steel is a very popular alloy for bullet stopping. However, there is a problem with steel plates when used in the real world.
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