Products
Characteristics
Designation
Delivery condition
T651: solution annealed, stress relieved by controlled stretching and artificially aged
Strength
max. 158 HB
(≈ max. 540 N/mm²)
Chemical composition
Thermal conductivity at 100 °C
130–160 W/(mK)
Character
Hardened, high-strength aluminium-zinc alloy with good properties for grain etching
Good machinability, EDM properties and polishability
Density: 2.8 kg/dm³
Coefficient of thermal expansion: 23.4 x 10−6 m/(mK)
Max. temperature (permanent/short-term): 90/120 °C
Application
Machining
Suited:
Etching: suitable for grain etching
Well suited:
Polishing, machining, EDM
Not suited:
(Repair) welding
Use
Plates for mould bases and die sets with increased requirements on strength
Parts for machine and jig construction
Heat treatment
Note: subsequent heat treatment may substantially change the mechanical properties.
