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Austenitic / high carbon high temperature resistant
Standards compliant: GB/T17853 E308T1-1
AWS A5.22 E308T1-1
Characteristics and applications
1.Applicable to welding stainless steel equipment with high temperature resistance due to certain amount of Carbon.;
2.Featuring stable arc, little spatter, favorable detachability, stable wire feedability, beautiful appearance and other favorable welding performance;
3.Applicable to petrochemical engineering, pressure vessel, food machinery, medical machinery, fertilizer and other industries and welding 18%Cr-8%Ni stainless steel (SUS304, etc.)
Welding position
Chemical composition (wt%)
| Alloy wt% | C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
| GB/T | 0.04-0.08 | 0.5-2.5 | 1.0 | 18.0-21.0 | 9.0-11.0 | 0.50 | 0.040 | 0.030 | 0.50 |
| AWS | 0.04-0.08 | 0.5-2.5 | 1.0 | 18.0-21.0 | 9.0-11.0 | 0.75 | 0.040 | 0.030 | 0.75 |
| Case value | 0.058 | 1.36 | 0.52 | 19.12 | 9.60 | 0.03 | 0.025 | 0.003 | 0.04 |
Mechanical properties
| Mechanical properties | Yield strength MPa | Tensile strength MPa | Elongation% | Impact valueJ /°C |
| GB/T | - | 550 | 35 | - |
| AWS | - | 550 | 30 | - |
| Case value | - | 605 | 38 | - |
Recommended current range: (DC+)
|
Diameter of welding wire (mm) |
1.2 | 1.6 |
|
Voltage (V) |
22-36 | 26-38 |
|
Current (A) |
120-260 | 200-300 |
|
Extension length (mm) |
15-20 | 18-25 |
|
Gas flow (l/min) |
15-25 | 15-25 |
Welding precautions
1.Using CO2 shielding gas with purity ≥99.98% and gas flow of 20-25L/min.
2.Interpass temperature: 16~100°C
3.During welding, please keep off wind to prevent welding defects caused by flying off shielding gas. Greasy dirt, water, etc. at welding parts shall be removed.
4.Welding wire shall be used up as quickly as possible after unpacking. Moisture-proof measures shall be adopted for those not used up.