Preparation, welding, finishing

Raw metal, welding, finishing

Welding, finishing, transportation

Finishing, transportation, marketing

Destructive test

Non-destructive test

Semi-destructive test

Visual inspection test

Before welding stage

During welding stage

After welding stage

Finishing welding stage

Cut to base metal

Cut along centre line of weld

Cut to weld metal and base metal

Don't cut to metal

Strength and ductility

Lack fusion

Slag inclusion

Slag inclusion