Question

Two-steel plates of length 200 mm is to be welded using manual metal arc welding. Area to be welded is 150 m m 2 mm2, for this electrode of diameter 4 mm and length 200 mm and stub length of 50 mm are to be used. If weld reinforcement area and spatter losses to be considered are 20% of weld area, then the number of electrodes required are _________.

Answer 1

Answer:

The suggested travel speed for SMAW is 3 to 6 inches per minute (ipm) / 75 to 150 mm/min. Out-of-position welding is recommended only with 0.093 in (2.4 mm) and 0.125 in (3.2 mm) diameter electrodes.