Excalibur 7018 MR 14 stick electrode"

Excalibur® 8018-B2 MR®

Stick (SMAW) Electrode

AWS: E8018-B2

Low Alloy, Low Hydrogen • AWS E8018-B2 H4R

DETAILS

Features

  • Designed for welding 1.25% chromium, 0.50% molybdenum steel
  • Premium arc performance
  • Easy strike and slag removal

Typical Applications

  • Power generation
  • Chemical Processing Structure
  • Process piping
  • Applications requiring stress-relieved conditions

Welding Positions

  • All except vertical down

Shielding Gas

  • Not Applicable

Special Features

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CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.5 E8018-B2 H4R
CWB CSA W48 E5518-B2 (E8018-B2)

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MECHANICAL PROPERTIES

Classification Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Hardness Rockwell B
E8018-B2 H4R Requirement 460 (67) min. 550 (80) min. 19 min.
Typical Result, 1 hour @ 690°C (1275°F) 540-640 (78-93) 650-740 (95-107) 21-28 93-98

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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
E8018-B2 H4R Requirement 0.05 - 0.12 1.00 - 1.50 0.90 max. 0.40 - 0.65 0.03 max. 0.03 max. 0.80 max. 4 max. 0.2 max. 0.4 max.
Typical Result 0.09-0.12 1.13-1.41 0.68-0.89 0.48-0.64 0.01-0.02 0.01 max. 0.44-0.64 1-2.4 0.1 max. 0.1-0.4

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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

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.