The gap which we would like you to choose from the junction manner which uses the steel sheet and that steel sheet for low attaching junction of aluminum based

摘要

PROBLEM TO BE SOLVED: To provide such a steel sheet as to form a coupling joint superior not only in shear tensile strength but also in peeling strength when jointed with an aluminum-based material by brazing.;SOLUTION: The steel sheet is any one of steel sheets selected from the group consisting of a hot-dip galvanized steel sheet and an electrolytically galvanized steel sheet; and comprises, by mass%, 0.05-0.25% C, 1.5% Si or less, 0.1-3.5% Mn, 0.05% P or less, 0.03% S or less, 0.1% or less Al while satisfying C+Mn/40≥0.12, and the balance Fe with unavoidable impurities.;COPYRIGHT: (C)2007,JPO&INPIT