The Lincoln Electric Excalibur 8018-C3 MR is a premium low-alloy SMAW stick welding electrode engineered to produce a consistent 1% nickel deposit for superior strength and toughness. Designed to meet NACE MR0175 requirements for sour gas applications, this electrode provides available test data for SSC (NACE TM0177) and HIC (NACE TM0284) — making it the trusted choice for oil and gas, petrochemical, and sour service pipeline applications demanding the highest levels of quality and compliance.
- 1% Nickel Alloy Deposit — Engineered to produce a consistent 1% nickel weld deposit, delivering superior low-temperature toughness and mechanical strength for critical service applications
- NACE MR0175 Compliant — Meets sour gas service requirements, with available test data for SSC (NACE TM0177) and HIC (NACE TM0284) for full documentation and traceability
- Premium Arc Performance — Consistent, stable arc for precise weld bead control across all positions, reducing spatter and improving overall weld quality
- 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












