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3A21 aluminum sheet
3A21 aluminum sheet is an Al–Mn alloy and the most widely used rust‑resistant aluminum grade. It is typically cold‑worked to enhance its mechanical properties; in the annealed condition, it exhibits high ductility, with good ductility even during partial work hardening, though ductility decreases with full work hardening. It also offers excellent corrosion resistance and good weldability.
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3-series
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3A21 aluminum sheet
3A21 aluminum sheet is an Al–Mn alloy and the most widely used rust‑resistant aluminum grade. Its mechanical properties are typically enhanced through cold working. In the annealed condition, it exhibits high ductility; with partial work hardening, its ductility remains good, though it decreases upon further cold working. It also offers excellent corrosion resistance and good weldability.
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