Download Certification Home About Us Steel Products Industries Services Resources Contact Quote Selecteer een taal▼ AR400 / AR450 / AR500 Steel Products by Industry Pressure Vessel PVQ Severe Sour Service Offshore Construction Shipbuilding / Repair Utility / Power Construction / Bridge Building Military Grade Mining Applications AR400 / AR450 / AR500 Ameriwear© 400 / Amerituf©500 Amerihard 650 (Chromium Carbide Overlay) Duracorr© A-633 Grades A, C, D, E Round / Flat Steel Bars Overview These grades are used in highly abrasive environments within the mining, cement, aggregate, and various ground engaging applications. All our AR400, AR450 and AR500 have additional alloying elements which increase formability and enhance weldability. Specifications Specifications AR400 / 400F AR450 / 450F AR450 / 500F Hardness (BHN) 400 (360 min.) 450 (429 min) 500 (450 min.) Carbon (Max) 0.20 0.26 0.35 Manganese (Min) 1.60 1.35 1.60 Phosphorus (Max) 0.030 0.025 0.030 Sulfur (Max) 0.030 0.005 0.030 Silicon 0.55 0.55 0.55 Chromium 0.40 0.55 0.80 Other Additional Alloying elements may be added for enhancing abrasion resistant properties. Additional Alloying elements may be added for enhancing abrasion resistant properties. Additional Alloying elements may be added for enhancing abrasion resistant properties. Size Range 3/16″ – 3″ (Widths 72″ – 96″ – 120″) 3/16″ – 3″ (Widths 72″ – 96″ – 120″) 1/4″ – 2 1/2″ (Widths 72″ and 96″) * Chemistry may vary depending on thickness and application – Please inquire © Copyright 2021 American Alloy Steel. All Rights Reserved. Contact: email@aasteel.com | Site Map