Excalibur 7018 MR 14 stick electrode"

Diameters / Packaging

Diameters
8 lb
10 lb
25 lb
50 lb
1/8 in ED032885 ED032888
3/32 in ED032884 ED032887
5/32 in ED032889

Excalibur® 9018-B3 MR®

Stick (SMAW) Electrode

AWS: E9018-B3, E9018-B3 H4R

Low Alloy, Low Hydrogen • AWS E9018-B3 H4R

DETAILS

Features

  • Easy strike, re-strike and slag removal
  • Premium arc performance

Typical Applications

  • Power generation
  • Process piping
  • Chemical processing structures
  • Power generation
  • Applications requiring stress-relieved conditions

Welding Positions

  • All except vertical down

Shielding Gas

  • Not Applicable

Special Features

  • Designed for all-position welding of 2.25% chromium, 1% molybdenum low alloy steels

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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 E9018-B3, E9018-B3 H4R
CWB CSA W48 E6218-B3 (E9018-B3)

MECHANICAL PROPERTIES

Classification Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Hardness Rockwell B
E9018-B3 H4R Requirement 530 (77) min. 620 (90) min. 17 min.
Typical Result, 1 hour @ 690°C (1275°F) 600-670 (87-97) 700-780 (102-112) 17-23 96-100

DEPOSIT COMPOSITION

Classification %C %Cr %Mn %Mo %P %S %Si Diffusible Hydrogen
mL/100g Weld Metal
1800F H2O - As received 1800F H2O - After 9 hrs at 80F/80%RH
E9018-B3 H4R Requirement 0.05 - 0.12 2.00 - 2.50 0.90 max. 0.90 - 1.20 0.03 max. 0.03 max. 0.80 max. 4 max. 0.15 max. 0.4 max.
Typical Result 0.08-0.12 2.16-2.47 0.78-0.90 0.90-1.11 0.01-0.02 0.01 max. 0.44-0.60 1.0-3.0 0.01-0.10 0.1-0.4

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.