AWS A5.28 ER80S-G

AWS A5.28 ER80S-G

Characteristics and Applications :
For all-position welding of 590 N/mm2 high tensile steel, it is suitable for root pass welding of pipes andcommonly applied in welding Mn-Mo, Mn-Mo-Ni alloy high tensile steel.

Notes on Usage :
1.100% Argon shielding gas with 99.997% high purity is recommended and the flow rate must be properly
controlled. The flow rate is recommended 7-12L/min when arc current is 100-200Amp and it goes up to12-15l/min when arc current rises to 200-300Amp.
2.Trailer Shield is required to ensure the weld pool completely shielded by inert gas until solidification is
complete and no porosity problem.
3.Select right gas cup size and employ proper stick out of tungsten electrode.
4.Be sure to clean up the contaminations on the base metal and welding seam so as not to derogate the
weld metal quality from particles.