TAILORED BLANK FOR HOT STAMPING, HOT STAMPED MEMBER, AND METHODS FOR MANUFACTURING SAME

A tailored blank for hot stamping includes a welded portion formed by butt-welding a first aluminum-plated steel sheet and a second aluminum-plated steel sheet, an Average Al concentration of a weld metal in the welded portion is in a range of 0.3 mass % to 1.5 mass %, an Ac3 point of the weld metal...

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Bibliographic Details
Main Authors Naito, Yasuaki, Miyazaki, Yasunobu, Kawasaki, Kaoru, Yoshinaga, Takahiro
Format Patent
LanguageEnglish
Published 10.05.2018
Subjects
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
METALLURGY
PERFORMING OPERATIONS
PUNCHING METAL
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Summary:A tailored blank for hot stamping includes a welded portion formed by butt-welding a first aluminum-plated steel sheet and a second aluminum-plated steel sheet, an Average Al concentration of a weld metal in the welded portion is in a range of 0.3 mass % to 1.5 mass %, an Ac3 point of the weld metal is 1250° C. or lower, and furthermore, an aluminum layer formed during the butt-welding is present on a surface of the welded portion.
Bibliography:Application Number: US201815863286