Products
Characteristics
Designation
Strength
■ 68–75 HB
(≈ 230–260 N/mm²)
● min. 78 HB
(≈ min. 270 N/mm²)
Chemical composition
Thermal conductivity at 100 °C
110–140 W/(mK)
Character
Non-through hardenable, solution-annealed, stress-relieved aluminium alloy with particularly good machining and welding properties
Excellent dimensional stability; ideally suited for anodising, hard chrome plating and chemical nickel plating
High corrosion resistance
Density: 2.66 kg/dm³
Coefficient of thermal expansion: 24.2 x 10−6 m/(mK)
Max. temperature (permanent/short-term): 90/110 °C
Application
Machining
Well suited:
Polishing, EDM, etching
Ideally suited:
Machining, welding
Use
Plates for mould bases, rotary tables, machined components for machine and jig construction, moulds for prototypes and foamed parts
Heat treatment
Note: subsequent heat treatment may substantially change the mechanical properties.
