Lincoln 7018 AC Stick Electrode 1 lb tubes

Diameters / Packaging

Diameters
5 lb
1/8 in ED033518
3/32 in ED033517
5/32 in ED033519

JET-LH® 78 MR®-RSP

Stick (SMAW)

AWS: E7018 H4R

Mild steel, Low hydrogen E7018 H4R

DETAILS

Features

  • Smooth arc performance
  • moisture resistance
  • Meets AWS "R" requirements

Typical Applications

  • Structural
  • Chemical processing structures
  • Ship building
  • Pressure piping
  • Mild steel

Welding Positions

  • All except vertical down

Shielding Gas

  • Not Applicable

Special Features

  • Retail Small Packaging (RSP). All RSP products carry AWS compliance. Unlike the standard products, RSP products have no other agencies approvals.

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

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

See test result disclaimer

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.1 E7018 H4R

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)
E7018 H4R Requirement 400 (58) min. 480 (70) min. 22 min. 27 (20) min.
Typical Result, As-welded 430-470 (62-68) 520-570 (75-83) 27-30 130-313 (96-231)

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 1800F H2O - After 9 hrs at 80F/80%RH
E7018 H4R 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. 4 max. 0.3 max. 0.4 max.
Typical Result 0.05 0.03-0.06 0.89-1.19 0.01 0.02-0.04 0.011-0.013 0.007-0.011 0.20-0.30 0.01 0.96-1.31 2 0.1 0.2-0.3

TYPICAL OPERATING PROCEDURES

Diameter Polarity⁽¹⁾ Current
Amps
3/32" (2.4 mm) DC+ 65-100
3/32" (2.4 mm) AC 70-105
1/8" (3.2 mm) DC+ 110-160
1/8" (3.2 mm) AC 120-170
5/32" (4.0 mm) DC+ 130-200
5/32" (4.0 mm) AC 140-230

NOTES

Note
⁽¹⁾ Preferred polarity is listed first.