E312-16 Stainless Steel Welding Electrode
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- Contact: 韓吉英
- Tel:13833921539
- Email:2891465062@qq.com
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GB/T 983 E312-16 AWS A5.4 E312-16 ISO 3581-B-ES 312-16
Suitable for welding various hard-to-weld steel materials prone to cracking or porosity, hardened alloy steels, as well as high-carbon steels, tool steels, and dissimilar metals.
A rutile-coated duplex stainless steel electrode with excellent welding process performance, featuring stable arc, minimal spatter, easy slag removal, and aesthetically pleasing weld appearance. The deposited metal contains 40% to 50% ferrite, providing outstanding mechanical properties and crack 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 |
| GB/T Standard | ≤0.15 | 0.50–2.50 | ≤1.00 | ≤0.040 | ≤0.030 | 28.0–32.0 | 8.0–10.5 | ≤0.75 | ≤0.75 |
| Example Value | 0.070 | 0.92 | 0.80 | 0.030 | 0.010 | 28.6 | 9.34 | 0.033 | 0.046 |
Mechanical Properties of Deposited Metal
| Test Item | R? (MPa) | A (%) |
| GB/T Standard | ≥660 | ≥15 |
| Example Value | 833 | 27 |
Welding Positions
Reference Current
| Electrode Diameter (mm) | Φ3.2 | Φ4.0 | |
| Welding Current (A) | Flat, Horizontal | 80–120 | 100–150 |
| Vertical, Overhead | 70–110 | 90–140 | |
1. Drying requirement: Electrodes must be baked at 350°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 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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