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Correlation between Bead Dimensions and Welding Parameters in Submerged-Arc Welding by bozo Akahide, Teruo Ukebe and junichiro TsuboiThe effects of welding parameters on the penetration in submerged-arc welding were investigated for the purpose of regulating weld bead dimensions.Main results obtained as follows. 1) In case of the open arc, the penetration depth can be regulated in a wide range by controlling welding current and welding speed, and the width by controlling arc voltage and welding speed.2) In case of the buried arc, on the other hand, the penetration depth can be regulated freely by controlling welding current and welding speed, while the range of regulating the width is rather narrow in the wide range of welding parameters.