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E8018-B2


Alloy Type:

E8018-B2 welding electrode is for higher strength steels with tensile strengths greater than 80,000 pounds.  The coating is specially formulated to resist moisture pick-up under conditions of high heat and humidity.  This electrode offers resistance to moisture reabsorption which helps prevent hydrogen cracking and aids in elimination of starting porosity.

 

Typical Applications: fabrication and maintenance of boilers and associated piping

 

AWS Class: E8018-B2 H4R Certification:  AWS A5.5/A5.5M:2006
Alloy:  E8018-B2 ASME SFA A5.5

 

Welding Position:    F, V, OH, H Current:

AC-DCEP

 

Tensile Strength, kpsi: 80
Yield Strength, kpsi: 67
Elongation in 2” (%): 19

 

 

Typical Wire Chemistry as per AWS A5.5 (single values are maximum)

C Mn Si P S Cr Mo
 0.05-0.12 0.90 0.80 0.03  0.03 1.00-1.50  0.40-0.65

 

Typical Welding Parameters
Diameter Process Volt Amps (flat) Amps (V/OH)
in (mm)
 3/32  (2.4) SMAW 21-25 65-50 65-75
 1/8  (3.2) SMAW 21-25 90-110 80-95
 5/32  (4.0) SMAW 21-26 135-160 120-140
 3/16  (4.8) SMAW 22-26 160-210 140-160

 

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