Download Certification Home About Us Steel Products Industries Services Resources Contact Quote A-572 Grade 50, 60, 65 Steel Products by Industry Pressure Vessel PVQ Severe Sour Service Offshore Construction Shipbuilding / Repair Utility / Power Construction / Bridge Building A-572 Grade 50, 60, and 65 A-633 Grade A, C, D, E A-709 A-588 Grade A, B, K A-514 Grade B, E, F, H, Q, S CSA G40.21 Grade 50 WT A-656 Grade 60, 70, 80 A-283 Grade C, Grade D A-36 Military Grade Mining Applications Round / Flat Steel Bars Overview A 572 Grade 50 is a high-strength, low alloy (HSLA), hot rolled steel plate. This low carbon / low alloy steel promotes good formability and weldability. Chemical Requirements Thickness in.(mm) Grade Carbon, max,% Maganese,C max,% Phosphorus, max,% Sulphur max,% SiliconI,D,E SiliconJ,D max,% range,% 6 (150) 42 (290) 0.21 1.35F 0.04 0.05 0.40 0.15-0.40 4 (100) 50 (345) 0.23 1.35F 0.04 0.05 0.40 0.15-0.40 1¼ (32) 60 (415) 0.26 1.35F 0.04 0.05 0.40 G >½-1¼ (13-32) 65 (450) 0.23 1.65F 0.04 0.05 0.40 G ½ (13)H 65 (450) 0.26 1.35 0.04 0.05 0.40 G Tensile Requirements Grade Yield Point, min Tensile Strength, min Min. Elongation, %B,C,D ksi (MPa) ksi (MPa) in 8 in. (200 mm) in 2 in. (50 mm) 42 42 (290) 60 (415) 20 24 50 50 (345) 65 (450) 18 21 60 60 (415) 75 (520) 16 18 65 65 (450) 80 (550) 15 17 © Copyright 2021 American Alloy Steel. All Rights Reserved. Contact: email@aasteel.com | Site Map