BS L 171:1990

Действует

Specification for forging of aluminium-zinc-magnesium-manganese-copper alloy (supplied as-forged or annealed for subsequent heat treatment) (not exceeding 150 mm diameter or minor sectional dimension) (Zn 5.7, Mg 2.7, Mn 0.5, Cu 0.5) (7014) — 8 стр.