EN 1706 Grade AC-45100 T6

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Description

Material EN AC-AlSi5Cu3Mg is produced as chilled cast. It shows the following casting characteristics and properties: plasticity: good heat crack resistance: good pressure tightness: good workability (after heat-treatment): good workability (casting condition): excellent corrosion resistance: insufficient decorative anodic oxidation: insufficient weldability: acceptable polishability: good strength at room temperature: excellent strength at increased temp. (up to 200°C): excellent ductility (impact strength): acceptable fatigue strength amounts 80 to 110 N/mm² ( best available casting method, values for vibration durability up to 50*10 hoch 6 cycles [Woehler diagram]).

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Properties

General

Density

ρ

2.65 - 2.7 g/cm³ at 20 °C

Typical for Cast 3xx.x Series Aluminium

Mechanical

Elastic modulus

E

73 - 80 GPa at 20 °C

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Typical for Cast 3xx.x Series Aluminium

Elongation A50

A50

0.5 - 1 % at 20 °C

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Hardness, Brinell

HB

110 [-] at 20 °C

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Poisson's ratio

ν

0.33 [-] at 20 °C

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Typical for Cast 3xx.x Series Aluminium

Shear modulus

G

2.8 GPa at 20 °C

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Typical for Cast 3xx.x Series Aluminium

Tensile strength

Rm

320 MPa at 20 °C

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Yield strength Rp0.2

Rp0.2

280 MPa at 20 °C

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Thermal

Coefficient of thermal expansion

α

2.2E-5 1/K at 20 °C

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Specific heat capacity

cp

960 - 963 J/(kg·K) at 20 °C

Typical for Cast 3xx.x Series Aluminium

Thermal conductivity

λ

129 - 131 W/(m·K) at 20 °C

Electrical

Electrical conductivity

σel

1.60E+7 - 1.90E+7 S/m at 20 °C

Electrical resistivity

ρel

5.26E-8 - 6.25E-8 Ω·m at 20 °C

Chemical properties

Element

Weight %

Comment

Other

-

each 0.05, total 0.15, Rest Al

Al

87.95 %

Si

4.5 - 6 %

Cu

2.6 - 3.6 %

Fe

0.6 %

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Technological properties

Anodizing

decorative: not sufficient

Corrosion properties

general: not sufficient

General machinability

after thermal treatment: good, as cast: excellent

Processing methods

permanent mould casting, separately cast test sample

This material data has been provided by WIAM,AluKey.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.