Customization: | Available |
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Type: | welding electrode |
Material: | low carbon |
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Description: Experience unmatched versatility with our E7018 low hydrogen potassium type iron-carbon steel welding electrode. Whether you're working with AC or DC, this electrode rises to the occasion, offering seamless all-position welding. Revel in its minimal spatter, easy slag removal, and flawless weld appearance, particularly excelling in flat and fillet welding. With its exceptional mechanical properties and high deposition efficiency, courtesy of its iron-rich coating, it reduces the number of necessary welding layers, thus boosting productivity. Prior to starting your project, ensure the workpiece is meticulously free from rust, oil, and moisture. For optimal preparation, bake the electrode at approximately 350 ºC, guaranteeing it remains dry and ready for an impeccable welding performance.
Uses: Engineered with precision for critical applications, this electrode is the ideal choice for welding ships, boilers, pressure vessels, pipes, and other significant structural components crafted from the corresponding strength grade steel.
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 |