| Customization: | Available |
|---|---|
| Type: | welding electrode |
| Material: | low carbon |
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Description: E7018 low hydrogen potassium type is iron carbon steel welding electrodes drug skin, AC and DC, can be all-position welding, spatter, easy slag removal, weld appearance, especially on the Flat welding fillet welding of good welding performance. Excellent mechanical properties deposited metal. It features leather medicine containing iron, high deposition efficiency can reduce welding layers, to improve efficiency. Work piece before welding to remove the rust, oil and water, and baked electrode after 1 hour at about 350 ºC, with the drying with the use.
Uses: Suitable for ships, boilers, pressure vessels, pipes and the corresponding strength grade steel welding important structures.
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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