FIELD: chemistry.
SUBSTANCE: invention relates to an aluminium alloy for making substrates for offset printing plates. The aluminium alloy contains the following components in wt %: 0.2% ≤ Fe≤0.5%, 0.41% ≤ Mg ≤ 0.7%, 0.05% ≤ Si ≤ 0.25%, 0.31% ≤ Mn ≤0.6%, Cu ≤0.04%, Ti ≤ 0.05%, Zn ≤ 0.05%, Cr ≤ 0.01%, the balance - Al and inevitable impurities, each present in an amount of not more than 0.05%, and making up at most 0.15%, overall.
EFFECT: aluminium alloy and an aluminium strip made from an aluminium alloy which is suitable for making substrates for printing plates, having high fatigue resistance when bent across the direction of rotation and high thermal stability without reducing granulation capacity.
7 cl, 4 tbl, 2 dwg
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