MULTIPASS BUTT-WELDED JOINT HAVING EXCELLENT BRITTLE CRACK PROPAGATION RESISTANCE, AND WELDED STRUCTURE

摘要

Multichannel butt joint, the excellent embrittlement propagation resistance with the multichannel butt joint for including steel plate is it is characterized in that the front surface welding layer and a back side welding layer of soldered have fracture resistance better than the fracture resistance of another welding layer.