Excalibur 7018 MR 14 stick electrode"

Diameters / Packaging

Diameters
8 lb
10 lb
1/8 in ED033838
3/32 in ED033940
5/32 in ED033839

Excalibur® 7018 MR® N

Stick (SMAW) Electrode

AWS: E7018 H4R

Mild Steel, Low Hydrogen • AWS E7018 H4R

DETAILS

Features

  • Excellent moisture resistance
  • Clean arc starts
  • Clear puddle and a smooth arc
  • Extreme bend ability
  • Premium arc performance

Typical Applications

  • Pressure piping
  • Structural
  • Ship Building
  • Chemical processing structures

Welding Positions

  • All except vertical down

Shielding Gas

  • Not Applicable

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 E7018-1 H4R
CWB AWS A5.1 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)
Charpy V-Notch
J (ft-lbs) @ -45°C (-50°F)
Hardness Rockwell B
E7018-1 H4R Requirement 400 (58) min. 480 (70) min. 22 min. 27 (20) min.
Typical Result, As-welded 440-540 (64-78) 550-630 (79-91) 25-30 134-216 (99-159) 42-178 (31-131) 85-92

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
E7018-1 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 0.06-0.09 0.02-0.04 0.96-1.19 0.20-0.26 0.02-0.04 0.008-0.011 0.004-0.008 0.20-0.43 0.01 max. 1.27-1.48 1-2 0.1 0.1-0.3

TYPICAL OPERATING PROCEDURES

Diameter Polarity⁽¹⁾ Current
Amps
3/32 in (2.4 mm) DC+ 70-110
3/32 in (2.4 mm) AC 80-120
1/8 in (3.2 mm) DC+ 90-160
1/8 in (3.2 mm) AC 100-160
5/32 in (4.0 mm) DC+ 130-210
5/32 in (4.0 mm) AC 140-210

NOTES

Note
⁽¹⁾ Preferred polarity is listed first.