GB E316L-16 AWS E316L-16 A022 GB E316L-16 AWS E316L-16 C≤0.04 Mn 0.5 2.5 Si≤0.90 Cr 17.0 20 Ni 11.0 14.0 Mo 2.0 2.5 σb≥490MPa δ5≥30% For urea, synthetic fiber structure, and other equipment can also be used without heat treatment after welding stainless steel and composite steel and chrome steel welding dissimilar.