MANUFACTURING METHOD OF PRE-ASSEMBLY WELDED H-SECTION STEEL

摘要

PROBLEM TO BE SOLVED: To provide a manufacturing method of a pre-assembly welded H-section steel capable of removing properly generation of a non-welded slit on a scallop formation spot and toughness degradation of a welding heat affected zone, concerning the manufacturing method of the pre-assembly welded H-section steel.;SOLUTION: When manufacturing a pre-assembly welded H-section steel, a non-welded slit 17 generated on a scallop 15 formation spot is closed by closing welding 20 using carbon dioxide gas arc welding or coated arc welding.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2017,JPO&INPIT