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E7018-1


Alloy Type:

 

E7018 is a low-hydrogen iron powder type electrode that produces high quality x-ray welds.  It can be used in all positions on AC or DC reverse polarity welding current.  E7018/E7018-1 is recommended for welding medium grade carbon steels where no preheat is used, and on cold rolled steels normally exhibiting excessive porosity when welded with conventional electrodes.

 

Typical Applications:  low-alloy structurals, low, medium and high carbon steels, offshore rigs and power plants, steel structures, tack welds for tubular wire applications

 

AWS Class: E7018/E7018-1 Certification: AWS A5.1/A5.1M:2004
Alloy:  E7018 ASME SFA A5.1

 

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

AC-DCEP

 

Tensile Strength, kpsi: 70 min
Yield Strength, kpsi: 58 min
Elongation in 2” (%): 22 min


 

Typical Wire Chemistry as per AWS A5.1 (single values are maximum)

C Mn Si P S Ni Cr Mo V Combined Limit for Mn+Ni+Cr+Mo+V
0.15 1.60 0.75 0.035 0.035 0.30 0.20 0.30 0.08 1.75

 

Typical Welding Parameters
Diameter Process Volt Amps (flat) Amps (V/OH)
in (mm)
 3/32  (2.4) SMAW 21-25 65-80 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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