BS L 170:1989 : Title: Specification for extruded bars and sections of aluminium-zinc-copper-chromium alloy (solution treated, controlled stretched and artificially aged) (not exceeding 150 mm diameter or minor sectional dimension) (Zn 5.6, Mg 2.5, Cu 1.6, Cr 0.23) (7075) Pages: 8 Year: Publisher: British Standards Institution Availability: Within 1-2 working days
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