E7018 Welding Electrode
This welding electrode is designed for welding ordinary low alloy steel. It exhibits high efficiency and is suitable for all welding positions using DC and AC.
Technical Specifications
Product Overview
High-Efficiency Welding Electrode
This low-hydrogen welding electrode is formulated with iron powder, designed specifically for welding ordinary low alloy steel. It offers high operational efficiency with a melting rate of approximately 110%, ensuring consistent and reliable performance. The deposited metal provides excellent plasticity, toughness, and crack resistance, making it suitable for critical structural applications including ships and bridges.
Technical Specifications
- Welding Positions
- All Positions
- Current Type
- DCAC (Open circuit voltage ≥70V)
- Melting Rate
- 110 %
- Baking Requirements
- 350°C for 1 hour before use
Chemical Composition
Chemical Composition of Weld Metal (%)
| Element | Standard Max (%) | Typical (%) |
|---|---|---|
| Carbon (C) | ≤0.15 | 0.08 |
| Manganese (Mn) | ≤1.60 | 1 |
| Silicon (Si) | ≤0.75 | 0.5 |
| Sulfur (S) | ≤0.035 | 0.014 |
| Phosphorus (P) | ≤0.035 | 0.02 |
Mechanical Properties
Mechanical Properties
| Property | Standard | Typical |
|---|---|---|
| Yield Strength (MPa) | ≥400 | 480 |
| Tensile Strength (MPa) | ≥490 | 570 |
| Elongation (%) | >22 | 30 |
| Charpy V Impact (-30℃) | ≥27J | 127J |
| Bend Test (Degree) | N.S. | 180 |
Logistics & Packaging
Packaging Details
- 20kg net carton weight
- 8 boxes x 2.5kg (for 2.5mm electrodes)
- 4 boxes x 5kg (for other sizes)
- Pallet options available upon request
Certifications
Industry Approvals
ABSBVDNVGLLRNK
