Excalibur 7018 MR 14 stick electrode"

Excalibur® 7018 XMR™

Stick (SMAW) Electrode

AWS: E7018 H4R

Mild Steel, Low Hydrogen AWS E7018 H4R

DETAILS

Low hydrogen (or basic) electrodes are designed for applications susceptible to hydrogen cracking.

Features

  • Premium arc performance
  • Extreme bend ability
  • Excellent moisture resistance
  • Clean arc start
  • Clear puddle
  • Smooth arc

Typical Applications

  • Structural
  • Chemical processing structures
  • Pressure pipping
  • Ship building
  • Mild steel

Welding Positions

  • All except vertical down

Shielding Gas

  • Not Applicable

Special Features

  • Excalibur® 7018 XMR™ offers superior moisture resistance even after 24 hours – remaining below the moisture content limit for 15 hours more than required under AWS A5.

Service Information

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 H4R
ISO ISO 2560-B E4918 A H5
ABS ABS - Part 2 3YH5
BV BV - Chapter 5 3YHHH
CWB CSA W48 E4918
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

See test result disclaimer

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)
Hardness Rockwell B
E7018 H4R Requirement 400 (58) min. 480 (70) min. 22 min. 27 (20) min.
Typical Result, As-welded 420-470 (62-68) 520-570 (75-83) 27-32 96-416 (71-307) 82-89

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

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 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 0.05-0.06 0.03 1.16-1.35 0.01 max. 0.02-0.03 0.010-0.014 0.005-0.009 0.43-0.54 0.01 max. 1.25-1.42 2 0.1 0.2

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

TYPICAL OPERATING PROCEDURES

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