Excalibur 7018 MR 14 stick electrode"

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

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CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.1 E7018-1 H4R
ISO ISO 2560-A E 42 4 Z B 3 2 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

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

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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.
Typical Result, As-welded 460-540 (66-78) 550-630 (80-91) 22-31 141-161 (104-119) 27-181 (20-134) 82-93

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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.

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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
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

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

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NOTES

Note
⁽¹⁾ Preferred polarity is listed first.