EN 1706 Grade AC-51400 F

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Description

Material EN AC-AlMg5(Si) is produced as sand and chilled cast. It shows the following casting characteristics and properties: plasticity: acceptable heat crack resistance: insufficient pressure tightness: insufficient workability (after heat-treatment): excellent corrosion resistance: excellent decorative anodic oxidation: good weldability: acceptable polishability: excellent strength at room temperature: insufficient strength at increased temp. (up to 200°C): good ductility (impact strength): good fatigue strength amounts 60 to 90 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-AlMg5Si, mat. No. 3.3261, acc. to DIN 1725-2 : 1986-02 applies: The alloy is well castable and has an excellent weathering and corrosion resistance. Suitable for complex cast parts of higher requirements to impact bending ductility and surface quality, excellent brightenable. Application: shipbuilding, vehicle and aircraft construction, chemical and food industry, decorative casting parts, fittings of all kind, facade plates and facing.

Related Standards

Equivalent Materials

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.

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Properties

General

PropertyValueTemperature

Density

2.6 g/cm³

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20.0 °C

2.6 g/cm³

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23.0 °C

Mechanical

PropertyValueTemperatureComment

Bending Fatigue Strength

60 - 90 MPa

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23.0 °C

Elastic modulus

69 GPa

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20.0 °C

69 GPa

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23.0 °C

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Elongation

2.9 - 3.3 %

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-196.0 °C

2.6 - 3.9 %

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-120.0 °C

3.4 - 4.3 %

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-50.0 °C

3 - 3.8 %

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20.0 °C

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Elongation A50

3 %

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20.0 °C

3 %

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Hardness, Brinell

60 - 65 [-]

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20.0 °C

60 - 65 [-]

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Poisson's ratio

0.33 [-]

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23.0 °C

Typical for Cast 5xx.x Series Aluminium

Tensile strength

198 - 219 MPa

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-196.0 °C

175 - 203 MPa

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-120.0 °C

172 - 187 MPa

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-50.0 °C

157 - 184 MPa

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20.0 °C

160 - 180 MPa

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23.0 °C

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Yield strength Rp0.2

124 - 126 MPa

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-196.0 °C

110 - 111 MPa

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-120.0 °C

102 - 103 MPa

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-50.0 °C

95 - 110 MPa

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20.0 °C

100 - 110 MPa

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Thermal

PropertyValueTemperature

Coefficient of thermal expansion

2.4E-5 1/K

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20.0 °C

2.4E-5 1/K

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Melting point

550 - 630 °C

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Specific heat capacity

930 J/(kg·K)

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20.0 °C

930 J/(kg·K)

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Thermal conductivity

110 - 140 W/(m·K)

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20.0 °C

110 - 140 W/(m·K)

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Electrical

PropertyValueTemperature

Electrical conductivity

1.50E+7 - 2.10E+7 S/m

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20.0 °C

1.50E+7 - 2.10E+7 S/m

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Electrical resistivity

4.76E-8 - 6.67E-8 Ω·m

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Chemical properties

Property

Aluminium

90.5 %

Copper

0.05 %

Iron

0.55 %

Magnesium

4.5 - 6.5 %

Manganese

0.45 %

Other

each 0.05, total 0.15, Rest Al

Silicon

1.5 %

Titanium

0.2 %

Zinc

0.1 %

Technological properties

Property
Anodizing

decorative: good

Corrosion properties

general: excellent

General machinability

after thermal treatment: excellent

Processing methods

permanent mould casting, separately cast test sample