Lincoln Electric ED028280 Excalibur 7018 MR E7018 H4R Stick Electrode 3/32 x 14 in 50 lb Easy Open Can

The Lincoln Electric Excalibur 7018 MR (ED028280) is a mild steel, low hydrogen stick (SMAW) electrode classified to AWS A5.1: E7018 H4R. Packaged in a 50 lb easy-open can, these 3/32 in x 14 in rods are engineered for demanding industrial and structural welding applications where consistent arc performance and moisture resistance are critical.

The Excalibur 7018 MR features an advanced coating formulation that delivers 60% less moisture pickup versus the competition after nine hours of exposure, helping to reduce the risk of hydrogen-induced cracking without requiring frequent oven reconditioning. The improved coating integrity also promotes extreme bendability, so rods resist chipping and cracking during normal handling.

Key Features:

• AWS Classification: E7018 H4R — mild steel, low hydrogen
• 60% less moisture pickup vs. competition (tested at 9 hours of exposure)
• Improved coating integrity with extreme bendability
• Premium arc performance with clean arc starts and minimal spatter
• Clear weld puddle visibility and smooth, stable arc
• Usable in all welding positions except vertical-down
• Compatible with DCEP (DC+) and AC current
• Packaged in a 50 lb easy-open (EO) hermetically sealed can for extended shelf life

Typical Operating Parameters (3/32 in / 2.4 mm):

• DC+ (DCEP): 70–110 amps
• AC: 80–120 amps

Mechanical Properties (As-Welded, Typical):

• Yield Strength: 430–510 MPa (62–74 ksi)
• Tensile Strength: 510–605 MPa (74–88 ksi)
• Elongation: 25–37%
• Charpy V-Notch Impact: 121–332 J (89–246 ft·lbf) at -29°C (-20°F)

Common Applications:

• Power generation
• Petrochemical and chemical processing structures
• Pressure vessels and pressure piping
• Shipbuilding
• Structural steel and general fabrication

The Excalibur 7018 MR is one of Lincoln Electric's most trusted low-hydrogen electrodes, delivering reliable 70-ksi welds on mild and low-alloy steels wherever controlled hydrogen diffusion and superior moisture resistance are required.