AISI 1020 Chemical Composition C (carbon) 0.17 – 0.23 % Fe (iron) 99.1 – 99.5 % Mn (manganese) 0.3 – 0.6 % P (phosphorus) 0 – 0.04 % S (sulfur) 0 – 0.05 % AISI 1020 Designation AISI 1020 UNS number G10200 US name ASTM MT1020, ASTM M1020, ASTM 1020, ASME G10200, ASME G10170, ASME … Continue reading AISI 1020 Carbon Steel Chemical Composition