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Engineered metals
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Data sheet - AlCuMgSi

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AlCuMgSi
AVIONAL 102 - EN AW2017A

Al reste Cu3.5-4.5 Mg0.4-1 Si0.2-0.8 Mn0.4-1

Chemical composition

Cu3.5-4.5

Zn0.25 max

Fe0.7 max

Mn0.40-1.00

Si0.20-0.80

AlBAL

Mg0.40-1.00

TiTi+Zr 0.25

Cr0.1 max

Other0.15 max

Alloy name
RLSA no.870
EN standardAW-2017A
DIN standard3.1325
UNS no.*

*Unified Numbering System (USA)

Characteristics and main uses

Physical properties Units
Density (20°C) 2,78 Kg/dm³
Melting point 510-650 °C
Longitudinal elasticity modulus 72 GPa
Thermal conductivity W/m·K
Electrical conductivity >27 m/Ω·mm²
Electrical resistivity <0.037 µΩ·m
Linear expansion Coefficient 23,6 10⁻⁶·K⁻¹
IACS (International Annealed Copper Standard) 47 %
Poisson's ratio 0,33
Capabilities
Corrosion resistance1
Hot deformation4
Cold deformation4
Electrodepositing
Diamond cutting
Nitriding2
Mechanical polishing
Welding without filler
Brazing2

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

Heat Treatment / Hardening
Annealing temperature 350-500 °C
Temperature for stress relief treatment °C
Hardening temperature 150-200 °C
Hardening treatment time 6 - 16 hour(s)

Comments on heat treatments

Mise en solution proche de la temp de fusion + Vieillissement 150-200°C

Alloy mechanical properties

AlCuMgSi
Possible hardness range 55 - 180 HV
Possible Rm range 240 - 330 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 ISO 6361-2(2011) ≤ 225 ≤ 145 ≥ 12
T4 ISO 6361-2(2011) ≥ 390 ≥ 245 ≥ 14
ROBT9 RLSA 160-180

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

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