Hardfacing Electrode D127
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- Address:河北省邢台市信都区永康街533号, Zip:
- Contact: 韩吉英
- Tel:13833921539
- Email:2891465062@qq.com
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D127 Hardfacing Electrode
GB/T 984 EDPMn4-16 GB/T 984 EDPMn4-15
Suitable for hardfacing or repairing worn surfaces of low-carbon steel, medium-carbon steel, and low-alloy steel, such as axles, gears, driving wheels, mixer blades, etc.
D126 is a Mn-type hardfacing electrode with a low-hydrogen potassium coating; D127 is a Mn-type hardfacing electrode with a low-hydrogen sodium coating.
D126: AC, DC reverse polarity (AC, DC⁺); D127: DC reverse polarity (DC⁺)
Deposited Metal Chemical Composition (%)
| Test Item | C | Mn | Total Other Elements |
| GB/T Standard | ≤0.20 | ≤4.50 | ≤2.00 |
| Example Value | 0.10 | 3.80 | —— |
Hardfacing Metal Hardness
| Test Item | HRC (4 layers or more) |
| GB/T Standard | ≥30 |
Reference Current
| Electrode Diameter (mm) | Φ3.2 | Φ4.0 | Φ5.0 |
| Welding Current (A) | 90～130 | 120～170 | 160～210 |
1. Drying requirement: Electrodes must be baked at 300～350°C for 1 hour before use and used immediately after baking.
2. For large workpieces, preheating to around 300°C is recommended, and the surface to be hardfaced should be cleaned of rust and oil contamination.
| Industry Category: | Hardware & Tools/Welding Materials & Accessories/Welding Rods |
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