The Lincoln Electric Excalibur 9018-B3 MR is a premium low-alloy SMAW stick welding electrode specifically engineered for welding chromium-molybdenum and other low-alloy steels. Designed for use on AISI 4130, 4140, 8630 and ASTM A182 and A336 Grades F22 base materials, this electrode delivers precise chemistry control and superior mechanical properties — making it the preferred choice for power generation, petrochemical, pressure vessel, and high-temperature service applications.
- Q2 Lot Controlled Chemistry & Mechanical Properties — Every lot is rigorously tested and certified to ensure consistent weld deposit chemistry and mechanical performance, meeting the strictest industry quality requirements
- Premium Arc Performance — Consistent, stable arc for precise weld bead control across all positions, reducing spatter and improving overall weld quality on critical alloy steel applications
- Easy Strike — Reliable, positive arc starts every time, minimizing downtime and increasing welder productivity in both field and shop environments
- Effortless Slag Removal — Self-releasing slag system produces clean, smooth weld beads with minimal post-weld cleanup, maximizing efficiency on every pass

