GFS-308L type of stainless steel flux cored welding wire are in line with the national Ministry of Metallurgical Industry spring wire recommendations. 
 Mechanical ability to use chemical composition of material diameter (mm) Net Weight (kg) spool diameter (mm) Remarks 
 ER304 18Cr-8Ni mainly used for welding steel C: 0.064% 
 Mn: 1.65% 
 Si: 0.42% 
 Ni: 8.33% 
 Cr: 17.10% 
 Tensile strength Mpa 1200 0.08-0.45 5/10/15/20 100/270/300 MIG :0.8-1 .6 
 TIG :1.0-4 .5 
 ER304L mainly used for welding 17Cr-8Ni Steel C: 0.028% 
 Mn: 1.65% 
 Si: 0.42% 
 Ni: 8.33% 
 Cr: 17.10% 
 Tensile strength Mpa 1200 0.08-4.5 5/10/15/20 100/270/300 MIG :0.8-1 .6 
 TIG :1.0-4 .5 
 ER308 is mainly used for welding 19Cr-9Ni Steel C: 0.064% 
 Mn: 1.65% 
 Si: 0.42% 
 Ni: 10.33% 
 Cr: 20.10% Tensile strength Mpa 1200 0.08-4.5 5/10/15/20 100/270/300 MIG :0.8-1 .6 
 TIG :1.0-4 .5 
 ER308L mainly used for welding 20Cr-9Ni Steel C: 0.024% 
 Mn: 1.65% 
 Si: 0.42% 
 Ni: 10.33% 
 Cr: 20.10% 
 Tensile strength Mpa 1200 0.8-4.5 5/12.5/15/20 100/270/300 MIG :0.8-1 .6 
 TIG :1.0-4 .5 
 ER309 is mainly used for welding 20Cr-13Ni steel, C: 0.064% 
 Mn: 1.65% 
 Si: 0.42% 
 Ni: 14.33% 
 Cr: 20.10% Tensile strength Mpa 1200 0.08-4.5 5/10/15/20 100/270/300 MIG :0.8-1 .6 
 TIG :1.0-4 .5 
 ER309L mainly used for welding 20Cr-14Ni steel, C: 0.024% 
 Mn: 1.65% 
 Si: 0.42% 
 Ni: 14.33% 
 Cr: 20.10% 
 Tensile strength Mpa 1200 0.08-4.5 5/10/15/20 100/270/300 MIG :0.8-1 .6 
 TIG :1.0-4 .5 
 ER309Lsi mainly used for welding 20Cr-14Ni steel, C: 0.024% 
 Mn: 1.65% 
 Si: 1.02% 
 Ni: 14.33% 
 Cr: 20.10% tensile strength Mpa1200 0.08-4.5 5/10/15/20 100/270/300 MIG :0.8-1 .6 
 TIG :1.0-4 .5 
 ER321 is mainly used for welding 16Cr-7Ni Steel C: 0.064% 
 Mn: 1.65% 
 Si: 0.42% 
 Ni: 8.33% 
 Cr: 17.10% Ti0.73 tensile strength Mpa 1200 0.08-4.5 5/10/15/20 100/270/300 MIG :0.8-1 .6 
 TIG :1.0-4 .5 
 ER347 is mainly used for welding 16Cr-9Ni Steel C: 0.064% 
 Mn: 1.65% 
 Si: 0.42% 
 Ni: 9.33% 
 Cr: 17.10% 
 (Ta + Nb) (10 * C) -10 tensile strength Mpa 1200 0.08-4.5 5/10/15/20 100/270/300 0 MIG :0.8-1 .6 
 TIG :1.0-4 .5 
 ER347L mainly used for welding 17Cr-9Ni Steel C: 0.064% 
 Mn: 1.65% 
 Si: 0.42% 
 Ni: 9.33% 
 Cr: 17.10% 
 (Ta + Nb) (10 * C) -10 tensile strength Mpa 1200 0.08-4.5 5/10/15/20 100/270/300 0 MIG :0.8-1 .6 
 TIG :1.0-4 .5 
 ER316 is mainly used for welding 16Cr-9Ni Steel C: 0.064% 
 Mn: 1.65% 
 Si: 0.42% 
 Ni: 10.33% 
 Cr: 17.10% 
 Mo2.03 tensile strength Mpa 1200 0.08-4.5 5/10/15/20 100/270/300 MIG :0.8-1 .6 
 TIG :1.0-4 .5 
 ER316L mainly used for welding 17Cr-9Ni Steel C: 0.064% 
 Mn: 1.65% 
 Si: 0.42% 
 Ni: 10.33%