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ATOM ARC 7018-Mo

ATOM ARC 7018-Mo

Atom Arc 7018-Mo electrodes contain 0.5% Mo as alloy addition. They are recommended for welding low-alloy, high tensile steels of 50 ksi (345 MPa) minimum yield strength and also 0.5% Molybdenum steels and pipes. They are widely employed in the fabrication and erection of boilers, pressure piping and tubing and other pressure vessel applications.

Where To Buy


  • Civil Construction
  • Mobile Equipment
  • Power Generation
  • Industrial and General Fabrication

Welding Process

  • Welding-SMAW/MMA (Stick)


Typical Tensile Properties

Condition Elongation Stress Relieved Temperature Stress Relieved Testing Time Tensile Strength Yield Strength
Stress Relieved 28 % 1150 °F 8 hr 88 ksi 76 ksi
Stress Relieved 29 % 1150 °F 20 hr 85 ksi 73 ksi
Stress Relieved 29 % 1150 °F 1 hr 88 ksi 75 ksi
As Welded 27 % - - 87 ksi 77 ksi

Typical Charpy V-Notch Properties

Condition Impact Value Stress Relieved Testing Temp Stress Relieved Testing Time Testing Temperature
Stress Relieved 150 ft-lb 1150 °F 20 hr 60 °F
Stress Relieved 108 ft-lb 1150 °F 8 hr 30 °F
Stress Relieved 69 ft-lb 1150 °F 8 hr -20 °F
Stress Relieved 135 ft-lb 1150 °F 13 hr 10 °F

Typical Weld Metal Analysis %

0.012 %0.80 %0.55 %0.04 %0.01 %0.40 %

Approvals: ABS; AWS A5.5: E7018-A1
Classifications: ASME SFA 5.5; AWS A5.5; E7018-A1 H4R

Approvals are based on factory location. Please contact ESAB for more information.


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