TYPE EQUIVALENT NORM CHEMICAL COMPOSITION OF WIRE(%) TENSILE STRENGTH ELONGATION APPLIATION AWS GB C Mn Si Cr Ni Mo (MPa) (%) GSW308 ER308 H08Cr21Ni10Si ≤0.08 1.0-2.5 0.3-0.65 19.5-22.0 9.0-11.0 ≤0.75 ≥520 ≥ 30 18%Cr-8%Ni stainless steel 0.05 1.79 0.33 19.72 10.14 - 580 42