Generic 8lb can

Diameters / Packaging

Diameters
8 lb
10 lb
25 lb
50 lb
1/8 in ED032879 ED032882
3/32 in ED032878 ED032881
5/32 in ED032883

EXCALIBUR® 8018-B2 MR®

Stick (SMAW) Electrode | ED032879

AWS: E8018-B2

Low Alloy, Low Hydrogen • AWS E8018-B2 H4R

DETAILS

Low alloy stick electrode designed for welding 1.25% chromium, 0.50% molybdenum steel

Features

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

Service Information

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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 E8018-B2 H4R
CWB CSA W48 E5518-B2 (E8018-B2)

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

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

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.