Excalibur 7018 MR 14 stick electrode"

Excalibur® 7028

Stick (SMAW) Electrode

AWS: E7028 H8

Mild Steel, Low Hydrogen • AWS E7028 H8

DETAILS

Features

  • High deposition rates
  • Premium arc performance
  • High travel speed
  • Capable of producing weld deposits with impact toughness exceeding 84 J (60 ft.lbf) at -40°C (-40°F)

Typical Applications

  • Bridge fabrication
  • Storage tanks
  • Heavy fabrication
  • Shipbuilding
  • Structural

Welding Positions

  • Flat/Horizontal

Shielding Gas

  • Not Applicable

Special Features

  • Available to meet Buy America. Choose a Buy America MTS product from the list of Available Types or contact a Lincoln Electric representative

Service Information

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

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CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.1 E7028-H8
ABS ABS - Part 2 3YH10
CWB CSA W48 E4928-H8
DNV-GL DNV - 2.9 3YH10
LR LR - Chapter 11 3YM H10

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) @ -20°C (0°F)
Hardness Rockwell B
E7028-H8 Requirement 400 (58) min. 480 (70) min. 22 min. 27 (20) min.
Typical Result, As-welded 430-490 (63-71) 530-580 (77-84) 28-32 104-422 (77-311) 85-90

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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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
E7028-H8 Requirement 0.15 max. 0.20 max. 1.60 max. 0.30 max. 0.30 max. 0.035 max. 0.035 max. 0.90 max. 0.08 max. 1.75 max. 8 max. 0.6 max.
Typical Result 0.04-0.08 0.03-0.07 1.11-1.50 0.03 max. 0.01-0.07 0.009-0.015 0.004-0.012 0.35-0.65 0.01-0.02 1.22-1.58 2-8 0.2 max.

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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TYPICAL OPERATING PROCEDURES

Diameter Polarity⁽¹⁾ Current
Amps
5/32 in (4.0 mm) DC+ 125-175
5/32 in (4.0 mm) AC 130-180
3/16 in (4.8 mm) DC+ 185-245
3/16 in (4.8 mm) AC 190-250
7/32 in (5.6 mm) DC+ 220-280
7/32 in (5.6 mm) AC 250-310

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.