AR 450 BHN Plate   Introduction:- AR 450 BHN Plate   AR 450 BHN Plate is a high-hardness, abrasion-resistant steel plate engineered for applications where severe wear, impact, and sliding abrasion are common. With a typical hardness of around 450 Brinell (BHN), this plate offers an excellent balance of toughness, strength, and wea