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ER309LSi
Application: Used for the welding of atmosphere corrosion resistance materials e.g.locomotive,truck body etc.Such as TSC materials or stainless steel used for the transportation trucks,dissimilar metals e.g.low-carbon steel etc.welding.
Characteristics: This welding wire is 24%Cr-13%Ni type stainless steel welding wire with an excellent corrosion resistance duet to the low carbon content.Its molten iron has a good fluidity due to adding Si so as to realize a more beautiful formation of weld and stable electric arc,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 | ≤0.030 | 1.00-2.50 | 0.65-1.00 | 23.00-25.00 | 12.00-14.00 | ≤0.75 | ≤0.030 | ≤0.030 | ≤0.75 |
| Typical Value | 0.022 | 2.21 | 0.78 | 23.88 | 13.65 | 0.042 | 0.012 | 0.012 | 0.19 |
Mechanical Property of Deposited Metal
| Item | Tensile Strength Rm/MPa | Elongation A% |
| Guarantee Value | ≥510 | ≥25 |
| Typical Value | 615 | 40 |
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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