Al-Si-Mg-BASED ALUMINUM ALLOY SHEET, MANUFACTURING METHOD OF THE ALLOY SHEET AND AUTOMOBILE COMPONENT USING ALLOY SHEET

摘要

PROBLEM TO BE SOLVED: To provide an Al-Si-Mg-based aluminum alloy sheet achieving both of high elongation and high resistance which are required for automobile components and capable of using an aluminum scrap material.SOLUTION: The Al-Si-Mg-based aluminum alloy sheet consists of aluminum (Al), silicon (Si), magnesium (Mg), iron (Fe) and inevitable impurities. A composition of the aluminum alloy sheet has Si content of 3 mass% to 6 mass%, Mg content of 0.4 mass% to 2.4 mass%, Fe content of 1 mass% or less and the balance Al with inevitable impurities and conductivity of the aluminum alloy sheet at 24°C is 45%IACS or less.SELECTED DRAWING: None