标准号:IS 7428-1974
发布日期:1975/2/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard covers the requirements of the following two grades of aluminium-copper-magnesium-silicon-manganese alloy extruded bars, rods and sections:Grade I — Extruded bars, rods and sections (for general applications) Grade II — Extruded bars, rods and sections for highly stressed applications