Al-Mg-Si series alloy plate, method for manufacturing the...

Details Al-Mg-Si series alloy plate, method for manufacturing the... Al-Mg-Si series alloy plate, method for manufacturing the...

2007-03-13

2007-03-13

King, Roy (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

C148S693000, C148S697000

Reexamination Certificate

active

10376266

ABSTRACT:
A method for manufacturing an Al—Mg—Si series alloy plate includes the steps of hot-rolling and subsequently cold-rolling an Al—Mg—Si series alloy ingot. The Al—Mg—Si series alloy ingot consists of Si: 0.2 to 0.8 mass %, Mg: 0.3 to 1 mass %, Fe: 0.5 mass % or less, Cu: 0.5 mass % or less, at least one of elements selected from the group consisting of Ti: 0.1 mass % or less and B: 0.1 mass % or less and the balance being Al and inevitable impurities. Heat-treating for holding a rolled ingot at 200 to 400° C. for 1 hour or more is performed after a completion of the hot-rolling but before a completion of the cold-rolling.

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