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3/8″ AR500 Steel Plate

TongHui supplies 3/8-inch thick AR500 steel plate. This AR500 plate features a Brinell hardness of 477–555 BHN, delivering excellent impact and wear resistance. It can withstand high impact stress even in low-temperature conditions.With uniform thickness and controlled tolerances, the plate supports customized processing including cutting, welding and bending. Inquiries are welcome!

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More Details About 3/8″ AR500 Steel Plate

The FOB unit price for the standard 4×8 ft (48×96 inch) size of this 3/8-inch thick AR500 steel plate ranges from $571.5 to $690 per sheet. For bulk purchases by the ton, the unit price is $500–$650 per ton, with the industry-standard minimum order quantity (MOQ) of 1 ton. Customers placing orders over 5 tons can enjoy a volume discount of 8%–12%.
The unit price for in-stock direct shipment is slightly higher, at approximately $620–$720 per sheet, while prices for custom-made orders based on specific dimensions and order volumes are negotiable. All the above prices are factory gate prices without packaging. A surcharge of 5%–15% will be applied for custom processing such as cutting and bending. Additional costs including anti-rust treatment, international logistics and customs clearance are calculated separately. The quotation is valid for 7 days and subject to minor fluctuations in line with the international steel raw material market.
  • Basic Dimension Parameters：Nominal thickness: 3/8 inch (0.375 inch) with a thickness tolerance of ±0.005 inch. Standard width options include 48 inches and 60 inches; standard length options include 96 inches and 120 inches. Special dimensions are available on request.
  • Core Mechanical Parameters：Brinell hardness: 477–555 BHN; density: 0.284 lb/in³. It can withstand high impact stress in low-temperature environments without the risk of brittle fracture, making it suitable for high-wear working conditions.
  • Processing & Surface Parameters：Surface condition: hot-rolled pickled/unpickled, with anti-rust treatment available on demand. Processing tolerance: cutting tolerance of ±0.01 inch. It features excellent welding and bending performance, suitable for processing various special-shaped parts.
  • Material Standards：Complies with industry standards for wear-resistant steel, with stable composition ratio and high density of wear-resistant layer, meeting the application requirements of industrial-grade wear-resistant steel plates.
  • High Hardness & Wear Resistance ：With a stable Brinell hardness of 477–555 BHN, it has a dense surface wear-resistant layer. Its resistance to material scouring and friction wear is far superior to that of ordinary carbon steel, making it ideal for high-wear working conditions.
  • Strong Impact Resistance ：It can withstand high impact stress even in low-temperature environments without the risk of brittle fracture, and is capable of resisting heavy load impacts such as heavy object collision and ore impact.
  • Easy Processing & Customization ：The plate features uniform thickness and strictly controlled dimensional tolerance. It supports various processing technologies including cutting, welding and bending, which can meet the requirements of special-shaped parts for different scenarios.
  • Shooting Range Sector：It can be made into standard target plates for both military and civilian shooting ranges. The 3/8-inch thickness can withstand bullet impact without easy deformation or fragmentation, ensuring a high reuse rate. It is suitable for live-fire training with various firearms such as rifles and sniper rifles.
  • Mining Machinery Parts：It is used to process mining conveyor scrapers, silo liners and hopper wear parts. It can withstand high-frequency friction and impact from ores, reduce the frequency of part replacement, and adapt to the harsh operating conditions of open-pit and underground mines.
  • Engineering Equipment Protection：It is adopted to fabricate loader bucket edge guards, dump truck bed wear-resistant bottom plates and construction pile driver protective baffles, meeting the high-intensity application needs of material scouring and heavy object impact during engineering construction.

Q：What caliber is 3/8 AR500 rated for?

A：A 3/8-inch thick AR500 steel plate, with a Brinell hardness of 477–555 BHN, is professionally rated to withstand most common civilian and light military rifle calibers. It effectively resists direct hits from.223 Remington (5.56mm) and.308 Winchester (7.62mm) at close range (within 100 yards) without penetration or fragmentation, making it ideal for shooting range target systems. It also stands up to medium-power rounds like.30-06 Springfield at distances over 100 yards. However, it is not recommended for heavy-hitting calibers such as.338 Lapua Magnum or.50 BMG at close range, as these may cause deep indentations or minor penetration. A 100-yard minimum safety distance is mandatory for range applications to avoid ricochet risks.

Q：Will 3/8 AR500 stop 308?

A：Yes, a 3/8-inch thick AR500 steel plate can reliably stop a .308 Winchester round under typical shooting conditions, thanks to its Brinell hardness rating of 477–555 BHN and high impact resistance. At a standard safety distance of 100 yards or more, the plate will not be penetrated or fragmented by .308 projectiles. It may show minor surface indentations, but this does not compromise structural integrity.

However, at extremely close ranges (under 50 yards), the concentrated kinetic energy of the .308 round may cause deeper dents. For shooting range applications, it is critical to mount the plate at a 10–15° downward angle to reduce ricochet risks and ensure safe operation.
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