AWS A5.1 / ASME SFA5.1 E7048
JIS Z3211 E4948
EN ISO 2560-A - E42 3 B 3 5
Notes on Usage
Welding Positions:
① Dry the electrodes at 300~350℃(572~662℉) for 60 minutes before use.
② Remove rust, water, oil and paint from the surface to be welded.
③ Adopt back step method or strike the arc on a small steel plate prepared for this particular
purpose to prevent blow hole at the arc starting.
Applications
AWS A5.1 / ASME SFA5.1 E7048 can be used for vertical downward welding of high tensile steel. Such as vertical downward welding of ships, buildings and bridges.
Welding Position
Characteristics on Usage
AWS A5.1 / ASME SFA5.1 E7048 is specifically designed for vertical downward welding. Slag is self peeling.
Crack resistibility of weld metal is good.
Current
AC or DC +
