EXTRUDED, MULTI-HOLE-PIPE AND MANUFACTURING METHOD THEREOF
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United States of America
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Issued Date -
Nov 21, 2024
app pub date -
Oct 13, 2022
filing date -
Oct 13, 2022
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Abstract
An extruded, multi-hole pipe (1) has an aluminum alloy composition that contains Si: 0.30 mass % or more and 1.80 mass % or less, Cu: 0.10 mass % or more and 0.50 mass % or less, Mn: 0.30 mass % or more and 1.00 mass % or less, and Mg: 0.30 mass % or more and 1.00 mass % or less. The tensile strength of the extruded, multi-hole pipe (1) is 290 MPa or more.
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