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Engineered metals
for precision industries

Data sheet - Al 1050 (99.5)

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Al 1050 (99.5)
ALUMINIUM

Al99.5

Chemical composition

Cu0.05 max

Zn0.07 max

Fe0.4 max

Mn0.05 max

Si0.25 max

Al99.5 min

Mg0.05 max

Ti0.05 max

Other0.03 max

Alloy name
RLSA no.800
EN standardAW-1050A
DIN standard3.0255
UNS no.*A91050

*Unified Numbering System (USA)

Characteristics and main uses

Physical properties Units
Density (20°C) 2,71 Kg/dm³
Melting point 640-660 °C
Longitudinal elasticity modulus 69 GPa
Thermal conductivity W/m·K
Electrical conductivity >34 m/Ω·mm²
Electrical resistivity <0.029 µΩ·m
Linear expansion Coefficient 23,6 10⁻⁶·K⁻¹
IACS (International Annealed Copper Standard) 59 %
Poisson's ratio 0,33
Capabilities
Corrosion resistance4
Hot deformation4
Cold deformation4
Electrodepositing
Diamond cutting1
Nitriding
Mechanical polishing
Welding without filler
Brazing4

1 poor | 2 average | 3 good | 4 very good | - no info

Heat Treatment / Hardening
Annealing temperature 350-450 °C
Temperature for stress relief treatment 150 °C
Hardening temperature °C
Hardening treatment time hour(s)

Alloy mechanical properties

Al 1050 (99.5)
Possible hardness range 30 - 45 HV
Possible Rm range - MPa

Non-exhaustive list of grades

Grade According to standard Hardness
(HV: Vickers)
min - max
Rm
(MPa)
min - max
Rp 0.2
(MPa)
min - max
Elongation
(%) where L0 = 100mm
min - max
L0 Grain size
(µm)
min - max
O, H111 30* 65 - 95 ≥ 20 ≥ 32
H12 85 - 125 ≥ 65 ≥ 9
H14 100 - 140 ≥ 80 ≥ 6
H16 120 - 160 ≥ 100 ≥ 5
H18 45* ≥ 140 ≥ 125 ≥ 4

Do not hesitate to ask us for your specific grades and parameters. We can make productions according to your needs.

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