7018 Matweld Low Hydrogen Electrodes

Matweld E7018-1 Low Hydrogen Welding Electrode

Matweld E7018-1 low hydrogen welding electrodes are a premium choice for welding high-strength carbon-manganese (C-Mn) and low alloy steels where the risk of hydrogen-induced cracking needs to be minimized. These electrodes are ideal for critical applications and joints that require stringent quality control, such as X-ray examination. The basic coating provides excellent all-position welding capabilities (except vertical down), a smooth and stable arc, low spatter, and easy slag detachment. The resulting weld bead exhibits an excellent profile and appearance. For optimal performance and to maintain their low hydrogen properties, these electrodes require a minimum AC open circuit voltage of 70V and must be baked at 180°C (350°F) for 2 hours before use.   

Key Features:

• E7018-1 Classification: Indicates a low hydrogen electrode with a tensile strength of 70,000 psi, suitable for all welding positions (except vertical down), and a specific type of coating.
• Low Hydrogen Content: Minimizes the risk of hydrogen-induced cracking in the weld metal.   
• High Strength Applications: Ideal for welding high-strength steels and critical components.   
• X-Ray Quality Welds: Produces welds suitable for applications requiring rigorous quality control.   
• All-Position Welding: Versatile for welding in various positions (excluding vertical down).
• Excellent Arc Characteristics: Provides a smooth and stable arc.   
• Low Spatter: Reduces weld cleanup.   
• Easy Slag Removal: Simplifies the welding process.
• Good Bead Profile and Appearance: Results in aesthetically pleasing welds