IronArc 50lb Easy Open Can

Diameters / Packaging

Diameters
50 LB
1/8" ED040001
3/32" ED040000
5/32" ED040002

IronArc™ 7018 MR®

Stick (SMAW)

AWS: E7018 H4R

E7018 H4R

DETAILS

Mild Steel, Low Hydrogen • AWS A5.1 E7018 H4R

Features

  • Soft arc for ease of puddle manipulation
  • Smooth arc transfer
  • Excellent wetting in the toes allowing for less hold times
  • Flat bead profile ideal for cap passes on pipe, groove welds, and pipe repair
  • No intentional addition of zinc for moisture resistance

Typical Applications

  • Pipeline, pipe repair, and integrity work
  • Boiler, pressure vessel fabrication and repair
  • Pipefitting
  • Structural fabrication
  • General fabrication

Welding Positions

  • All, except vertical down

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
CWB CSA W48 E4918-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)
Hardness Rockwell B
E7018 H4R Requirement 400 (58) min. 480 (70) min. 22 min. 27 (20) min. Info. Only
Typical Result, As-welded 440-480 (64-69) 540-580 (79-84) 29-32 136-176 (100-130) 86-88

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 0.05-0.07 0.02-0.05 1.25-1.37 0.00-0.08 0.00-0.03 0.010-0.013 0.011-0.017 0.41-0.62 0.01 1.30-1.50 1-4 0.1 max. 0.1-0.3

TYPICAL OPERATING PROCEDURES

Diameter Polarity⁽¹⁾ Current
Amps
3/32" (2.4 mm) DC+ 70-110
3/32" (2.4 mm) AC 80-120
1/8" (3.2 mm) DC+ 90-160
1/8" (3.2 mm) AC 100-160
5/32" (4.0 mm) DC+ 120-220
5/32" (4.0 mm) AC 130-220

NOTES

Note
(1) Preferred polarity is listed first.