Welding Electrodes AWS E6013 AWS E7018 AWS E308L-16 AWS ENi-CL CHEMICAL COMPOSITION ... Cu Fe OTHER CARBON STEEL AWS E6011 2.0, 2.5, 3.2, 4.0 ≤0.08 0.3-0.6 ... ≤0.18 ≤0.035 ≤0.04 AWS E6013 2.0, 2.5, 3.2, 4.0 ≤0.12 0.3 ... .35 ≤0.035 ≤0.04 AWS E7016 2.0, 2.5, 3.2, 4.0 ≤0.12 ≤1.6 ≤0. ... AWS E308-16 2.0, 2.5, 3.2, 4.0 ≤0.08 0.5-2.5 ≤0.90 ≤0.03 ≤0. ... AWS E308L-16 2.0, 2.5, 3.2, 4.0 ≤0.04 0.5-2.5 ≤0.90 ≤0.03 ≤0.04 ...