AWS A5.5 E12018-G

EN ISO 18275-B-E8318-G A 

JIS Z 3211 E8316-G

Characteristics and Application

AWS A5.5 E12018-G Welding rods, welding electrode  is an iron powder low hydrogen type, 830N/mm2 grade high tensile steel electrode The product provides excellent crack resistance, good mechanical properties and smooth bead appearance. It features good arc and easy slag removal. It is suitable for heat treatable low alloy steel (such as SCM21/4 chrome-molybdenum steel SNCM8 Ni-Cr-Mo steel), Proper base metals are also including forging cast iron(ASTM A486 Gr. 120/A508 Gr. 5a.4a h pressure Vessel steel plate (A543 Gr. B3.C3 , etc.

Typical chemical Composition of Weld Metal (%)

Typical Mechanical Properties of Weld Metal

Welding Positions:

Notes on usage:

1 .Dry the electrodes at 350-400℃ for 60 minutes and keep at 100-150℃ before using.
2. Take the backstep method to prevent blowholes at the arc starting.
3.Keep the arc as short as possible. 4.Preheat the plates at 150—200℃ before welding.

C 0.07  Mn 1.35  Si 0.40  P 0.018  S 0.007  Ni 2.1  Mo 0.40  Cr 0.74  V 0.014

Yield strength 800Mpa  Tensile Strenght 880MPa  Elongation 20%  Charpy V-Notch -50℃  35J  

Welding rods, welding electrode