The Lincoln Electric Excalibur 7018-1 MR is a premium mild steel, low-hydrogen SMAW stick welding electrode engineered for superior low-temperature toughness, extreme bendability, and exceptional moisture resistance in the most demanding welding applications. Exceeding AWS toughness requirements at -50°F and designed to meet the chemical composition recommendations of API 751, this electrode delivers clear puddle visibility, a smooth stable arc, and reliable moisture pick-up resistance — making it the preferred choice for power generation, chemical process structures, pressure vessels, pressure piping, and structural welding applications where certified low-temperature performance and weld integrity are non-negotiable.
Key Features
- Exceeds AWS Toughness Requirements at -50°F — Certified low-temperature impact toughness performance exceeding AWS requirements at -50°F, delivering reliable weld integrity in sub-zero and cryogenic service conditions
- API 751 Chemical Composition Compliant — Designed to meet the chemical composition recommendations of API 751 for critical chemical process and petrochemical structural welding applications
- Extreme Bendability — Exceptional coating flexibility minimizes coating damage during handling, transportation, and storage, ensuring consistent arc performance and weld quality every time
- Moisture Pick-Up Resistant — Advanced moisture resistance significantly reduces the risk of hydrogen-induced cracking, maintaining weld integrity in humid and demanding field environments
- Clear Puddle & Smooth Arc — Superior puddle visibility and smooth, stable arc transfer deliver precise weld bead control and exceptional operator appeal across all positions
- Wide Application Range — Ideal for power generation, chemical process structures, pressure vessels, pressure piping, and structural welding applications requiring certified low-hydrogen, low-temperature performance