EN 1706 Grade AC-43000 F

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Description

Material EN AC-AlSi10Mg(a) is produced as sand and chilled cast. It shows the following casting characteristics and properties: plasticity: excellent heat crack resistance: excellent pressure tightness: good workability (after heat-treatment): good to acceptable workability (casting condition): good corrosion resistance: good decorative anodic oxidation: not advisable weldability: excellent polishability: insufficient strength at room temperature: good strength at increased temp. (up to 200°C): acceptable 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]). To the comparable DIN-mark G-AlSi10Mg, mat. No. 3.2381, acc. to DIN 1725-2 : 1986-02 applies: The material is a neareutectic alloy of favorable casting properties. It is heat-resistant and hardenable, its weldability is excellent. It is suitable for complex, thin-walled, pressure-tight, vibration resistant, impact loaded casting parts. Application: equipment, machine, vehicle, ship, apparatus engineering cases, finned bodies, brake pads.

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Properties

General

Density

ρ

2.65 g/cm³ at 20 °C

Mechanical

Elastic modulus

E

74 GPa at 20 °C

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Elongation A50

A50

2 - 2.5 % at 20 °C

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Hardness, Brinell

HB

50 - 55 [-] 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

150 - 180 MPa at 20 °C

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Yield strength Rp0.2

Rp0.2

80 - 90 MPa at 20 °C

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Thermal

Coefficient of thermal expansion

α

2.1E-5 1/K at 20 °C

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Melting point

Tm

550 - 600 °C

Specific heat capacity

cp

910 J/(kg·K) at 20 °C

Thermal conductivity

λ

150 - 170 W/(m·K) at 20 °C

Electrical

Electrical conductivity

σel

1.90E+7 - 2.50E+7 S/m at 20 °C

Electrical resistivity

ρel

4E-8 - 5.26E-8 Ω·m at 20 °C

Chemical properties

Element

Weight %

Comment

Other

-

each 0.05, total 0.15, Rest Al

Al

86.95 %

Si

9 - 11 %

Fe

0.55 %

Mn

0.45 %

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Technological properties

Anodizing

decorative: not recommended

Corrosion properties

general: good

General machinability

after thermal treatment: good to acceptable, as cast: good

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.