Type 1285


Application & Characteristics
Higher purity aluminium used in special capacitor applications.

Chemical Composition (%)
Al 99.85 min ; Cu 0.02 ; Si 0.08 ; Fe 0.08

Physical Properties
Melting Range (°F)	1190 – 1215
Density (lbs/in³) 68F	0.098
Thermal Expansion (in/in °Fx10 to the power of -6)	13.1 (68-212F)
Electrical Resistivity (ohms/cir mil/ft.) 68F	17.6 – 18.2

Mechanical Properties – Temper = A
Tensile Strength (psi x 10³)	13
Yield Strength (psi x 10³)	5
Elongation ( % )	35,45
Hardness	23 (Brinell)

Mechanical Properties – Temper = H/2
Tensile Strength (psi x 10³)	18
Yield Strength (psi x 10³)	17
Elongation ( % )	9,20
Hardness	32 (Brinell)

Mechanical Properties – Temper = H
Tensile Strength (psi x 10³)	24
Yield Strength (psi x 10³)	22
Elongation ( % )	5,15
Hardness	44 (Brinell)