Excalibur 7018 MR 14 stick electrode"

Diameters / Packaging

Diameters
6 lb
8 lb
10 lb
50 lb
50 lb Buy America
1/4 in ED028920
1/8 in ED032592 ED028702 ED034309
3/16 in ED028706
3/32 in ED036518 ED034308
3/32 in x 12 in ED033179
3/32 in x 14 in ED032591 ED028700
5/32 in ED028704
7/32 in ED028919

Excalibur® 7018-1 MR®

Stick (SMAW) Electrode

AWS: E7018-1 H4R

Mild Steel, Low Hydrogen • AWS E7018-1 H4R

DETAILS

Features

  • Exceeds AWS toughness requirements at -50°F
  • Extreme bend ability
  • Moisture pick-up resistant
  • Clear puddle and a smooth arc
  • Meets Chemical Composition Recommendations of API 751

Typical Applications

  • Power generation
  • Chemical process structures
  • Pressure vessels
  • Pressure piping
  • Structural

Welding Positions

  • All except vertical down

Shielding Gas

  • Not Applicable

Special Features

  • Q2 Lot® - Lot Controlled Chemistry and Mechanical Properties BUY AMERICA option

You May Also Need

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
ISO ISO 2560-A E 42 4 Z B 3 2 H5
ISO ISO 2560-B E4918-1 A U H5
ABS ABS - Part 2 3YH5
BV BV - Chapter 5 3YHHH
CWB CSA W48 E4918-1-H4R
DNV-GL DNV - 2.9 3YH5
LR LR - Chapter 11 3YM H5

MECHANICAL PROPERTIES

Classification Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Charpy V-Notch
J (ft-lbs) @ -40°C (-40°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.
As-welded Typical Result 460-540 (66-78) 550-630 (80-91) 22-31 141-161 (104-119) 27-181 (20-134) 82-93

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 0.04-0.07 0.02-0.04 1.20-1.42 0.15-0.28 0.06 max. 0.009-0.016 0.003-0.011 0.32-0.54 0.01 max. 1.51-1.75 1-4 0.1 max. 0.4 max.

TYPICAL OPERATING PROCEDURES

Classification 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
3/16 in (4.8 mm) DC+ 180-300
3/16 in (4.8 mm) AC 200-300
7/32 in (5.6 mm) DC+ 250-330
7/32 in (5.6 mm) AC 270-370
1/4 in (6.4 mm) DC+ 300-400
1/4 in (6.4 mm) AC 325-420

NOTES

Note
⁽¹⁾ Preferred polarity is listed first.