- Patent Title: Aluminum alloy sheet for automotive structural member, automotive structural member, and method for manufacturing aluminum alloy sheet for automotive structural member
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Application No.: US17102665Application Date: 2020-11-24
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Publication No.: US12000026B2Publication Date: 2024-06-04
- Inventor: Tomoki Hosokawa , Takahiko Nakamura
- Applicant: Kobe Steel, Ltd.
- Applicant Address: JP Kobe
- Assignee: Kobe Steel, Ltd.
- Current Assignee: Kobe Steel, Ltd.
- Current Assignee Address: JP Kobe
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP 19225446 2019.12.13
- Main IPC: C22C21/02
- IPC: C22C21/02 ; C21D8/02

Abstract:
Provided are an aluminum alloy sheet for automotive structural member which is excellent and well-balanced in strength, formability, and crushability, an automotive structural member, and a method for manufacturing an aluminum alloy sheet for automotive structural member. An aluminum alloy sheet for automotive structural member is an Al—Mg—Si-based aluminum alloy sheet containing, in mass %, Mg: 0.4% or more and 1.0% or less, Si: 0.6% or more and 1.2% or less, and Cu: 0.6% or more and 1.3% or less with the remainder being Al and inevitable impurities and having an earing ratio of −13.0% or less.
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