EN 1706 Grade AC-71000 T1

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Description

Material EN AC-AlZn5Mg is produced as sand and die cast. It shows the following casting characteristics and properties: plasticity: acceptable heat crack resistance: insufficient pressure tightness: insufficient workability (after heat-treatment): excellent worability (casting condition): excellent corrosion resistance: good decorative anodic oxidation: good weldability: acceptable polishability: good strength at room temperature: acceptable strength at increased temp. (up to 200°C): insufficient 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]).

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

PropertyValueComment

Density

2.8 g/cm³

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Typical for Cast 7xx.x Series Aluminium

Mechanical

PropertyTemperatureValueConditionRelated StandardsShapeComment

Bending Fatigue Strength

60.0 - 90.0 MPa

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T1

EN 1706

Casting

Elastic modulus

74.0 GPa

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Typical for Cast 7xx.x Series Aluminium

Hardness, Brinell

60.0 [-]

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T1

EN 1706

Casting

65.0 [-]

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T1

EN 1706

Casting

20.0 °C

60.0 [-]

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T1

EN 1706

20.0 °C

65.0 [-]

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T1

EN 1706

Poisson's ratio

0.33 [-]

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Typical for Cast 7xx.x Series Aluminium

Tensile strength

190.0 MPa

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T1

EN 1706

Casting

210.0 MPa

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T1

EN 1706

Casting

20.0 °C

190.0 MPa

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T1

EN 1706

20.0 °C

210.0 MPa

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T1

EN 1706

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Thermal

PropertyTemperatureValueConditionRelated StandardsShapeComment

Coefficient of thermal expansion

20 °C

2.4e-05 1/K

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T1

EN 1706

Casting

100.0 °C

2.4e-05 1/K

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T1

EN 1706

Casting

100 °C

2.4e-05 1/K

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T1

EN 1706

Casting

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Melting point

550.0 - 645.0 °C

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Typical for Cast 7xx.x Series Aluminium

Specific heat capacity

963.0 J/(kg·K)

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Typical for Cast 7xx.x Series Aluminium

Thermal conductivity

20.0 °C

130.0 - 140.0 W/(m·K)

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T1

EN 1706

Casting

Electrical

PropertyTemperatureValueConditionRelated StandardsShape

Electrical conductivity

20.0 °C

19000000.0 - 21000000.0 S/m

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T1

EN 1706

Casting

Electrical resistivity

4.76e-08 - 5.26e-08 Ω·m

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T1

EN 1706

Casting

Chemical properties

PropertyValueConditionRelated StandardsShape

Aluminium

90.3 %

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T1

EN 1706

Chromium

0.15 - 0.6 %

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T1

EN 1706

Casting

Copper

0.15 - 0.35 %

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T1

EN 1706

Casting

Iron

0.8 %

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T1

EN 1706

0.80 %

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T1

EN 1706

Casting

Lead

0.05 %

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T1

EN 1706

Casting

Magnesium

0.4 - 0.7 %

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T1

EN 1706

Casting

Manganese

0.4 %

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T1

EN 1706

Casting

Nickel

0.05 %

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T1

EN 1706

Casting

Silicon

0.3 %

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T1

EN 1706

Casting

Tin

0.05 %

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T1

EN 1706

Casting

Titanium

0.1 - 0.25 %

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T1

EN 1706

Casting

Zinc

4.5 - 6.0 %

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T1

EN 1706

Casting

Technological properties

Property
Anodizing

decorative: good

Corrosion properties

general: good

General machinability

after thermal treatment: excellent, as cast: excellent

Processing methods

permanent mould casting, separately cast test sample