question archive If an aluminum alloy is 3003-H16, "H16" is assigned to the aluminum alloy based on its ____
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If an aluminum alloy is 3003-H16, "H16" is assigned to the aluminum alloy based on its ____.
(a) major alloying element
(b) amount of carbon
(c) strain hardening (cold working and tempering)
(d) solution heat treating and precipitation hardening (aging)
correct choice is option (c).
Step-by-step explanation
3003-H16 aluminum is 3003 aluminum in the H16 temper. To achieve this temper, the metal is strain hardened to a strength that is roughly 3/4 of the way between annealed (O) and full-hard (H18).
SO , strain hardening (cold working and tempering) is the correct answer. Hence , correct choice is option (c).