Product Name Protective Gas Equivalent Specification Performance and Application Welding Wire Chemical Composition Weld Seam Mechanical Properties AWS A5.9 YB/T 5092 C Si Mn Cr Ni Mo Other Tensile Strength MPa Elongation% TGS-308 Pure Argon ER 308 H08Cr21Ni10Si Welding 18Cr-8Ni (304 or 304L) stainless steel, stable arc, beautiful weld bead, good crack resistance. Example value: 0.04 0.34 1.82 20.15 9.5-610 41 Guarantee value: ≤ 0.08 0.30-0.65 1.00-2.50 19.5-22.0 9.0-11.0 ≤ 0.75- ≥ 550 ≥ 35 TGS-308L ER 308L H03Cr21Ni10Si. The carbon content in the deposited metal is ≤ 0.04%, and it has good resistance to intergranular corrosion. It is used for welding ultra-low carbon 00Cr19Ni10 stainless steel structural parts. Example value 0.019 0.41 1.75 20.5 9.7-580 42 Guarantee value ≤ 0.030 0.30-0.65 1.00-2.50 19.5-22.0 9.0-11.0 ≤ 0.75- ≥ 550 ≥ 35 TGS-308Si ER 308Si H08Cr21Ni10Si 1 Welding operability and deposited metal flowability are better than TGS-308. Example value 0.055 0.67 1.80 19.8 9.70-615 40 Guarantee value ≤ 0.08 0.65-1.00 1.00-2.50 19.5-22.0 9.0-11.0 ≤ 0.75- TGS-308LSi ER 308LSi H03Cr21Ni10Si 1 Welding operability and deposited metal flowability are better than TGS-308L. Example value 0.02 0.78 2.25 19.8 10.5-590 41 Guarantee value ≤ 0.030 0.65-1.00 1.00-2.50 19.5-22.0 9.0-11.0 ≤ 0.75--- TGS-309 ER 309 H12Cr24Ni13Si dissimilar metal welding, such as soft steel and chromium molybdenum steel, welding SUS309S, SCS17, etc., with excellent heat resistance, corrosion resistance, stable arc, and good workability. Example value 0.083 0.42 1.63 23.8 13.2-610 40 Guarantee value ≤ 0.12 0.30-0.65 1.00-2.50 23.0-25.0 12.0-14.0 ≤ 0.75- TGS-309L ER 309L H03Cr24Ni13Si deposited metal has a carbon content ≤ 0.04% and good resistance to intergranular corrosion. It can also resist intergranular corrosion caused by carbide precipitation even without stabilizing elements such as niobium and titanium. Example value 0.023 0.39 1.98 23.9 12.9-590 41 Guarantee value ≤ 0.030 0.30-0.65 1.00-2.50 23.0-25.0 12.0-14.0 ≤ 0.75- ≥ 550 ≥ 30 TGS-309Mo ER 309Mo H12Cr24Ni13M o2 Due to the addition of Mo component, its strength, crack resistance and corrosion resistance are superior to TGS-309/309L at high temperatures. Example value 0.09 0.46 1.82 23.8 13.1 2.54-620 42 Guarantee value ≤ 0.12 0.30-0.65 1.00-2.50 23.0-25.0 12.0-14.0 2.00-3.00 ≥ 550 ≥ 30 TGS-309MoL ER 309LMo H03Cr24Ni13M o2 The carbon content in the deposited metal is ≤ 0.04%, and the resistance to intergranular corrosion is better. Example value 0.024 0.42 1.78 23.9 13.0 2.49-610 42 Guarantee value ≤ 0.030 0.30-0.65 1.00-2.50 23.0-25.0 12.0-14.0 2.00-3.00--- TGS-309Si ER 309Si H12Cr24Ni13Si 1 Welding operability and deposited metal flowability are better than TGS-309. Example value 0.065 0.72 2.26 23.8 13.5-610 38 Guarantee value ≤ 0.12 0.65-1.00 1.00-2.50 23.0-25.0 12.0-14.0 ≤ 0.75- TGS-309LSi ER 309LSi H03Cr24Ni13Si 1 Welding operability and deposited metal flowability are better than TGS-309L. Example value 0.024 0.74 2.35 23.9 13.8-600 38 Guarantee value ≤ 0.030 0.65-1.00 1.00-2.50 23.0-25.0 12.0-14.0 ≤ 0.75- TGS-310 ER 310 H12Cr26Ni21Si deposited metal contains 25Cr-20Ni, mostly used for welding 310S stainless steel. Example value 0.09 0.40 2.01 27.4 21.8-610 41 Guarantee value 0.08-0.15 0.30-0.65 1.00-2.50 25.0-28.0 20.0-22.5 ≤ 0.75- ≥ 550 ≥ 30