Carbon steel electrode AWS E6013 Applications: Welding of steel sheet structures, light structural steels,automobile bodies, machinery guards.... AWS E6011 Applications: Welding of shipbuilding structures such as buildings and bridges, storage tanks, pipes and pressure vessel.... AWS E7018 Applications: Welding of carbon steel and low alloy steel.... AWS E7016 Applications: Welding of important structures made of low alloy steel with corresponding grade of strength....No.Standard model controlPhysical and chemical propertiesChemical composition%Mechanical PropertiesGBAWSCSiMnSPσb(MPa)σs(Mpa)δ5(%)AKV(J)J421E4313E6013≤0.10≤0.350.3-0.6≤0.035≤0.04≥490≥400≥22(-30)≥27J422E4303E4303≤0.12≤0.250.3-0.6≤0.035≤0.04≥490≥400≥22(-30)≥27J506FeE5018E7018≤0.12≤0.75≤1.6≤0.035≤0.04490-660≥510≥27(-40)≥47J501Fe18E5024E7024≤0.12≤0.60≤1.25≤0.035≤0.04490-660≥510≥27(-20)≥47J506Fe-1E5018-1E7018-1≤0.15≤0.75≤1.6≤0.035≤0.035490-660≥510≥27(-40)≥47