A042 Stainless Steel Welding Rod
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- Contact: 韓吉英
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- Email:2891465062@qq.com
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A042 Stainless Steel Welding Electrode
GB/T 983 E309LMo-16 AWS A5.4 E309LMo-16 ISO 3581-A-E(23 12 2 L) R 3 2 ISO 3581-B-ES 309LMo-16
Suitable for welding similar ultra-low carbon stainless steel materials and dissimilar steels.
An ultra-low carbon Cr23Ni13Mo2 stainless steel electrode with rutile-type coating, offering good welding process performance. The weld metal exhibits excellent crack resistance and corrosion resistance.
AC, DC reverse polarity (AC, DC?), with DC reverse polarity recommended.
Deposited Metal Chemical Composition (%)
| Test Item | C | Mn | Si | P | S | Cr | Ni | Mo | Cu |
| GB/T Standard | ≤0.04 | 0.50–2.50 | ≤1.00 | ≤0.040 | ≤0.030 | 22.0–25.0 | 12.0–14.0 | 2.0–3.0 | ≤0.75 |
| Example Value | 0.026 | 1.35 | 0.66 | 0.021 | 0.007 | 23.20 | 12.35 | 2.36 | 0.034 |
Deposited Metal Mechanical Properties
| Test Item | R? (MPa) | A(%) |
| GB/T Standard | ≥510 | ≥25 |
| Example Value | 595 | 38 |
Reference Current
Electrode Size (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 higher, 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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