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ER309
Application: Used for welding different types of stainless steels,lining of stainless steel,dissimilar steels (e.g.06Cr19Ni13Si and low-carbon steel)and high Cr,high Mn steels.
Characteristics: This welding wire is 24%-13%Ni series stainless steel welding wire with a good high temperature resistance due to high alloy content.Its welding arc is stable with a beautiful formation of weld,available for the all-positioning welding.
Chemical Composition Of Welding Wire:(Mass Fraction)
| Item | C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
| Guarantee Value | ≤0.12 | 1.00-2.50 | ≤0.65 | 23.00-25.00 | 12.00-14.00 | ≤0.75 | ≤0.030 | ≤0.030 | ≤0.75 |
| Typical Value | 0.08 | 1.52 | 0.41 | 23.82 | 13.1 | 0.023 | 0.012 | 0.013 | 0.21 |
Mechanical Property of Deposited Metal
| Item | Tensile Strength Rm/MPa | Elongation A% |
| Guarantee Value | ≥550 | ≥25 |
| Typical Value | 605 | 42 |
Note On Usage:
1.MIG welding shield gas flow should be between 18-25L/min;The shield gas should apply Ar+2%O₂;If the wind speed is greater than 0.5m/s,it is required to take the wind-proof measures.
2.TIG welding shield gas flow requirement:If the welding current is between(15-200)A, the gas flow should be(5-14)L/min;If the welding current is between(200-320)A,the gas flow should be(14-24)L/min.The shield gas should apply pure Ar,and please take the wind-proof measures is the wind speed is greater than 1.0m/s;It is required to remove the impurities e.g. rust,oil contaminant,water etc.on welding workpiece prior to MIG/TIG welding;The above- mentioned welding parameters should be for reference only,users should develop the welding standards appropriate for the production according to their own specific conditions.
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