... ,gray spherical particles,granularity is 10-60mesh;it shows good welding performance:stable arc;fine appearance of weld,slag easy to ... be satisfied and it forms on double sides by one side welding.Boty AC and DC can be applied and when DC, ... proper wire,e.g.H08MnA,H08A,etc,it is used for welding steel structures,such as boilers,pressure,vessels,bridges,oilcans,ships ...