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AR400 Steel from Specialty Steel

We stock AR400 plate steel, including AR400 plates and AR400 steel strips, in sizes ranging from 1/8″ thick up to 4″ thick. Call or email us for a free quote. This AR400 steel is an abrasion-resistant, thru-hardened alloy wear plate with a hardness range of 360-440 BHN. Our inventory includes sizes from 48″ x 96″ up to 96″ x 288″. Inquire about all Hi-Def Plasma and Oxy-Cutting jobs. We can provide detailed information on AR400 steel properties for your specific needs.

Typical Mechanical Properties

Brinell Hardness – 400/440 BHN
Tensile Strength – 180,000 PSI
Yield Strength – 140,000 PSI
Grain Type – Temp. Martensite
Carbon Equivalency – .47
Elongation– 15%
Reduction of Area – 60%

AR 400 plate stock
AR400 Chemistry
C Mn Si P S Cr Mo
.35 max 2.00 max .60 max .035 max .035 max 1.00 max 1.00 max

Plate Sizes (Inches)

1/8 3/16 1/4 3/8 1/2 5/8 3/4
1 1-1/4 1-1/2 2 2-1/2 3 4

Widths & Lengths (Inches)

48 x 96 96 x 144
48 x 144 96 x 240
48 x 288 96 x 288
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