| Customization: | Available |
|---|---|
| Type: | welding electrode |
| Material: | low carbon |
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Description: The E7018 low hydrogen potassium type iron-carbon steel welding electrode excels in providing outstanding versatility, seamlessly compatible with both AC and DC current for flawless all-position welding tasks. This cutting-edge electrode ensures minimal spatter, easy slag removal, and a stunning weld finish, particularly shining in flat and fillet welds. With remarkable mechanical properties and superior deposition efficiency, the iron-rich coating significantly reduces the number of welding layers required, boosting overall productivity. Prior to welding, it is essential to ensure the workpiece is devoid of rust, oil, and moisture. The electrode should be baked at approximately 350 ºC, ensuring it is thoroughly dry and primed for immediate deployment.
Uses: Engineered with precision for demanding applications, this electrode is the optimal choice for welding ships, boilers, pressure vessels, pipes, and other critical structural components crafted from steel of the corresponding strength grade.
Deposited metal chemical composition (%)
| C | Mn | Si | S | P |
| ≤0.12 | ≤1.60 | 0.75 | ≤0.035 | ≤0.040 |
| σb(MPa) | σs(MPa) | δ5(%) | AKV(J) -20ºC | Butt weld joints of positive and negative bending D=3t 1200 Qualified |
| 490~655 | ≥400 | ≥22 | ≥47 |
| Electrode diameter(mm) | 2.5 | 3.2 | 4.0 | 5.0 |
| Flat welding Current(A) | 90~120 | 120~150 | 170~200 | 210~250 |
| Vertical welding Current(A) | 55~90 | 90~120 | 130~170 |
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