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| Welding Electrode E7018 |
 AWS:E7018
GB:E5018
Type of current:AC、DC+
Description:High efficiency iron powder low hydrogen type electrode which is suitable for welding key structure of medium and thick plate.The deposition efficiency can be raised.
Alkaline carbon steel electrode
| Unit |
Trademark |
GB |
AWS |
Specification(mm) |
Description |
|
Alkalinity carbon steel electrode |
|
E5018 |
E7018 |
φ2.5×300
φ3.2×350
φ4.0×400
φ5.0×400
|
High efficiency iron powder low hydrogen type electrode which is suitable for welding key structure of medium and thick plate.The deposition efficiency can be raised. |
Chemical Composition of Deposited Metal（%）
| C |
Mn |
Si |
S |
P |
| ≤0.12 |
≤1.60 |
≤0.75 |
≤0.035 |
≤0.040 | |
Mechanical Properties of Deposited Metal
|
Tensile strength
Бb(Mpa) |
Yield strength Бs(Mpa |
Elongation
δ5(%) |
Impact work
AKV J(℃) |
| ≥490 |
≥410 |
≥22 |
≥27(-30℃) | | Hydrogen diffuse of deposited metal:≤8.0ml/100g (glyceric methord)
X -ray radiographic inspection:I grade
Reference current
| Diameter(mm) |
φ2.5 |
φ3.2 |
φ4.0 |
φ5.0 |
| Welding current(A) |
60~100 |
100~140 |
140~210 |
180~230 | |
Notes :
1. Electrodes must be baked for 1 hour at 350 ℃ before welding operation.
2.It is essential to clean up rusty ,oil scale, water and impurities on welding parts.
3. Short arc operation is required when welding. Narrow welding track is proper.
4. Electrode is as positive pole when operation on DC . |
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