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Excalibur Stick Electrode
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Diameters / Packaging

Diameters

Lincoln® 7018 AC

Stick (SMAW)

CLASSIFICATIONS:
E7018 H8

Mild Steel, Low Hydrogen • AWS E7018 H8

DETAILS

Features

  • capable of cold re-strike
  • Low open circuit voltage operation
  • Minimal spatter

Typical Applications

  • General fabrication
  • Tack and skip welds
  • Thin section

Welding Positions

  • All except vertical down

Shielding Gas

  • Not Applicable

Special Features

  • AC polarity welding

Service Information

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.1 E7018, E7018-H8
CWB CSA W48 E4918-H8

MECHANICAL PROPERTIES

Classification Yield Strength @ 0.2% Offset
MPa (ksi) 		Tensile Strength
MPa (ksi) 		Elongation
% 		Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F) 		Hardness Rockwell B
E7018-H8 Requirement 400 (58) min. 480 (70) min. 22 min. 27 (20) min.
Typical Result, As-welded 460-580 (66-84) 550-660 (79-95) 22-34 27-136 (20-100) 85-95

DEPOSIT COMPOSITION

Classification %C %Cr %Mn %Mo %Ni %P %S %Si %V %Mn+Ni+Cr+Mo+V Diffusible Hydrogen
mL/100g Weld Metal 		1800F H2O - As received
E7018-H8 Requirement 0.15 max. 0.20 max. 1.60 max. 0.30 max. 0.30 max. 0.035 max. 0.035 max. 0.75 max. 0.08 max. 1.75 max. 8 max. 0.6 max.
Typical Result 0.04-0.08 0.02-0.04 0.93-1.59 0.02 max. 0.01-0.03 0.011-0.019 0.005-0.016 0.28-0.46 0.02-0.03 1.00-1.67 3-7 0.2 max.

TYPICAL OPERATING PROCEDURES

Diameter Polarity⁽¹⁾ Current
Amps
3/32 in (2.4 mm) AC 75-120
3/32 in (2.4 mm) DC+ 70-115
1/8 in (3.2 mm) AC 105-150
1/8 in (3.2 mm) DC+ 100-140
5/32 in (4.0 mm) AC 130-200
5/32 in (4.0 mm) DC+ 120-185

NOTES

Note
⁽¹⁾ Preferred polarity is listed first.