Cuando se requieren tipos de soldaduras de acero inoxidable 309 es cuando altas temperaturas son requeridas.
Cuando se requieren tipos de soldaduras de acero inoxidable 309 es cuando altas temperaturas son requeridas. CO2 es preferido para reducir el contenido del silicio a temperaturas elevadas. Mínimo contenido de carbono 0.04%.

| As Welded 75% Ar / 25% CO2 | |
|---|---|
| Tensile Strength | 90 ksi, 620 MPa |
| Yield Strength | 70 ksi, 480 MPa |
| Elongation in 2" | 35 % |
| Typical Undiluted Weld Metal Analysis | |
| As Welded CO2 | |
| C | 0.06 % |
| Mn | 1.2 % |
| Si | 0.8 % |
| Cr | 24 % |
| Ni | 13 % |
| Mo | 0.1 % |
| Cu | 0.1 % |
| Ferrite | 13 FN |
| As Welded 75% Ar / 25% CO2 | |
| C | 0.06 % |
| Mn | 1.3 % |
| Si | 0.9 % |
| Cr | 24.5 % |
| Ni | 13 % |
| Mo | 0.1 % |
| Cu | 0.1 % |
| Ferrite | 14 FN |
| Diameter | Amps | Volts | Wire Feed Speed | Deposition Rate | Efficiency | Electrical Stickout |
|---|---|---|---|---|---|---|
| .035 in, 0.9 mm | 100 A | 23 | 265 ipm, 6.7 cm/min | 2.9 lbs./hr., 1.3 kg./hr. | 83.9 % | 1/2 - 1 inches, 12.5 - 25 mm |
| 120 A | 23 | 315 ipm, 8 cm/min | 3.4 lbs./hr., 1.5 kg./hr. | 81.4 % | 1/2 - 1 inches, 12.5 - 25 mm | |
| 140 A | 25 | 405 ipm, 10.3 cm/min | 4.6 lbs./hr., 2.1 kg./hr. | 82.6 % | 1/2 - 1 inches, 12.5 - 25 mm | |
| 170 A | 26 | 530 ipm, 13.5 cm/min | 5.7 lbs./hr., 2.6 kg./hr. | 81.8 % | 1/2 - 1 inches, 12.5 - 25 mm | |
| .045 in, 1.2 mm | 130 A | 25 | 227 ipm, 5.8 cm/min | 4.25 lbs./hr., 1.9 kg./hr. | 84 % | 1/2 - 1 inches, 12.5 - 25 mm |
| 165 A | 26 | 341 ipm, 8.7 cm/min | 6.14 lbs./hr., 2.8 kg./hr. | 83 % | 1/2 - 1 inches, 12.5 - 25 mm | |
| 190 A | 28 | 445 ipm, 11.3 cm/min | 8.08 lbs./hr., 3.7 kg./hr. | 84 % | 1/2 - 1 inches, 12.5 - 25 mm | |
| 220 A | 30 | 567 ipm, 14.4 cm/min | 10.24 lbs./hr., 4.6 kg./hr. | 84 % | 1/2 - 1 inches, 12.5 - 25 mm | |
| 1/16 in, 1.6 mm | 170 A | 25 | 154 ipm, 3.9 cm/min | 5.34 lbs./hr., 2.4 kg./hr. | 83 % | 1/2 - 1 inches, 12.5 - 25 mm |
| 210 A | 27 | 193 ipm, 4.9 cm/min | 6.89 lbs./hr., 3.1 kg./hr. | 82.5 % | 1/2 - 1 inches, 12.5 - 25 mm | |
| 250 A | 28 | 243 ipm, 6.2 cm/min | 8.57 lbs./hr., 3.9 kg./hr. | 83 % | 1/2 - 1 inches, 12.5 - 25 mm | |
| 300 A | 29 | 321 ipm, 8.2 cm/min | 11.43 lbs./hr., 5.2 kg./hr. | 83 % | 1/2 - 1 inches, 12.5 - 25 mm |
75%Ar / 25%CO2 or 100%CO2