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Excalibur 7018 MR 14 stick electrode"

Diameters / Packaging

Diameters
 (3) 8 lb Easy Open Can
 (3) 10 lb Easy Open Can
 25 lb Easy Open Can
 50 lb Easy Open Can
1/8 x 14 in (3.2 x 350 mm) ED032873 ED032876
3/32 x 12 in (2.4 x 300 mm) ED032893 ED032875
5/32 x 14 in (4.0 x 350 mm) ED032877

Excalibur® 7018-A1 MR®

Stick (SMAW)

AWS:
E7018-A1
E7018-A1 H4R

Low Alloy, Low Hydrogen • AWS E7018-A1 H4R

Diameter

Select Diameter

  • 1/8 x 14 in (3.2 x 350 mm)
  • 3/32 x 12 in (2.4 x 300 mm)
  • 5/32 x 14 in (4.0 x 350 mm)

Package

Select Package

  • (3) 8 lb Easy Open Can
  • (3) 10 lb Easy Open Can
  • 25 lb Easy Open Can
  • 50 lb Easy Open Can
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DETAILS

Features

  • Premium arc performance
  • Easy strike, re-strike and slag removal
  • Designed for welding 0.50% molybdenum steel
  • Square coating burn-off

Typical Applications

  • Fabrication and maintenance welding
  • Pressure vessels and pressure piping
  • Applications requiring stress-relieved conditions

Welding Positions

  • All except vertical down

Shielding Gas

  • Not Applicable

Special Features

  • Applications requiring stress-relieved conditions

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

Service Information

Documentation

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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 A5.5 E7018-A1 H4R
ABS AWS A5.1 E7018-A1 H4R
CWB CSA W48 E4918-A1-H4R

MECHANICAL PROPERTIES

Classification Yield Strength @ 0.2% Offset
MPa (ksi) 		Tensile Strength
MPa (ksi) 		Elongation
% 		Hardness Rockwell B
E7018-A1 H4R Requirement 390 (57) min. 480 (70) min. 22 min.
Typical Result, 1 hour @ 620°C (1150°F) 460-520 (67-75) 560-620 (81-89) 22-31 88-93

DEPOSIT COMPOSITION

Classification %C %Mn %Mo %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal 		1800F H2O - As received 1800F H2O - After 9 hrs at 80F/80%RH
E7018-A1 H4R Requirement 0.12 max. 0.90 max. 0.40 - 0.65 0.03 max. 0.03 max. 0.80 max. 4 max. 0.3 max. 0.4 max.
Typical Result 0.04-0.06 0.69-0.86 0.49-0.58 0.01-0.02 0.01 max. 0.38-0.59 0.9-3 0.1 max. 0.2-0.4

TYPICAL OPERATING PROCEDURES

Diameter Polarity⁽¹⁾ Current
Amps
3/32 in (2.4 mm) DC+ 60-110
3/32 in (2.4 mm) AC 65-120
1/8 in (3.2 mm) DC+ 85-160
1/8 in (3.2 mm) AC 90-170
5/32 in (4.0 mm) DC+ 110-210
5/32 in (4.0 mm) AC 115-220

NOTES

Note
⁽¹⁾ Preferred polarity is listed first.