Stainless steel welding electrode E2209-16
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GB/T 983 E2209-16 AWS A5.4 E2209-16 ISO 3581-A-E(22 9 3 N L)R 3 2 ISO 3581-B-ES 2209-16
Suitable for welding ultra-low carbon duplex stainless steels such as 022Cr22Ni5Mo3N and SAF2205.
An ultra-low carbon duplex stainless steel electrode with rutile-type coating, offering excellent welding process performance. The deposited metal contains 30% to 50% ferrite, providing outstanding mechanical properties and corrosion resistance, particularly reliable resistance to chloride corrosion and high pitting corrosion resistance.
AC, DC reverse polarity (AC, DC+), with DC reverse polarity recommended.
Chemical Composition of Deposited Metal (%)
| Test Item | C | Mn | Si | P | S | Cr | Ni | Mo | Cu | N |
| GB/T Standard | ≤0.04 | 0.50～ 2.00 | ≤1.00 | ≤0.040 | ≤0.030 | 21.5～23.5 | 7.5～ 10.5 | 2.5～3.5 | ≤0.75 | 0.08～0.20 |
| Example Value | 0.032 | 1.20 | 0.69 | 0.021 | 0.006 | 22.75 | 9.34 | 3.00 | 0.10 | 0.13 |
Mechanical Properties of Deposited Metal
| Test Item | Rm (MPa) | A (%) |
| GB/T Standard | ≥690 | ≥15 |
| Example Value | 790 | 28 |
Welding Positions
Reference Current
Electrode Diameter (mm) | Φ2.5 | Φ3.2 | Φ4.0 | Φ5.0 | |
Welding Current (A) | Flat, Horizontal | 50～90 | 80～120 | 100～150 | 140～180 |
Vertical, Overhead | 60～80 | 90～110 | 110～140 | — | |
1. Drying Requirement: Electrodes must be baked at 300°C for 1 hour before use and used immediately after baking.
2. When using AC welding, spatter is greater, the coating tends to redden, and penetration is shallower; therefore, DC reverse polarity welding is recommended.
3. Use low current and short arc welding as much as possible during welding, with minimal oscillation amplitude.
| Industry Category: | Hardware & Tools/Welding Materials & Accessories/Welding Rods |
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