AA Standards Grade 7075 T73

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Description

AA 7075 is a high-strength alloy that offers good stress-corrosion cracking resistance. Known as a mainstay in the aerospace industry since it was introduced, Aluminum 7075 brings moderate toughness as well as an excellent strength-to-weight ratio. It is also important to note that at sub-zero temperatures Aluminum 7075 increases in strength.

Related Standards

Equivalent Materials

Diese Materialdaten wurden von AluKey zur Verfügung gestellt

Alle Daten beziehen sich auf Raumtemperatur soweit nicht anderweitig spezifiziert. SI Einheiten werden verwendt soweit nicht anderweitig spezifiziert.
Äquivalente Standards sind ähnlich zu einem oder mehreren Standards die der Anbieter angegeben hat. Manche äquivalente Standards können strikter sein oder außerhalb der Bedingungen des ursprünglichen Standards.

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Eigenschaften

Allgemein

PropertyValueComment

Dichte

2.7 - 2.85 g/cm³

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Typical for Wrought 7000 Series Aluminium

Mechanisch

PropertyValueConditionRelated StandardsComment

Elastizitätsmodul

69.0 - 72.0 GPa

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Typical for Wrought 7000 Series Aluminium

Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

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Typical for Wrought 7000 Series Aluminium

Poissonzahl

0.33 [-]

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Typical for Wrought 7000 Series Aluminium

Schubmodule

26.4 - 27.1 GPa

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Typical for Wrought 7000 Series Aluminium

Zugfestigkeit

395.0 MPa

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T73

AA Standards, ASTM B247

400.0 MPa

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T73

AA Standards, ASTM B247

405.0 MPa

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T73

AA Standards, ASTM B247

415.0 MPa

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T73

AA Standards, ASTM B247

420.0 MPa

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T73

AA Standards, ASTM B247

425.0 MPa

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T73

AA Standards, ASTM B247

435.0 MPa

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T73

AA Standards, ASTM B247

440.0 MPa

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T73

AA Standards, ASTM B211, ASTM B247

450.0 MPa

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T73

AA Standards, ASTM B221

455.0 MPa

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T73

AA Standards, ASTM B210, ASTM B211, ASTM B247

460.0 MPa

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T73

AA Standards, ASTM B209

470.0 MPa

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T73

AA Standards, ASTM B211, ASTM B221, ASTM B241, ASTM B316

475.0 MPa

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T73

AA Standards, ASTM B221, ASTM B241

485.0 MPa

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T73

AA Standards, ASTM B221, ASTM B241

Thermisch

PropertyValueComment

Koeffizient der thermischen Ausdehnung

2.1e-05 - 2.4e-05 1/K

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Typical for Wrought 7000 Series Aluminium

Schmelzpunkt

465.0 - 655.0 °C

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Typical for Wrought 7000 Series Aluminium

Spezifische Wärmekapazität

795.0 - 1050.0 J/(kg·K)

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Typical for Wrought 7000 Series Aluminium

Wärmeleitfähigkeit

121.0 - 170.0 W/(m·K)

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Typical for Wrought 7000 Series Aluminium

Elektrisch

PropertyValueComment

Elektrische Leitfähigkeit

18000000.0 - 34000000.0 S/m

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Typical for Wrought 7000 Series Aluminium

spezifischer Widerstand

2.9e-08 - 5.6e-08 Ω·m

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Typical for Wrought 7000 Series Aluminium

Chemical properties

PropertyValueConditionRelated Standards

Chrom

0.18 - 0.28 %

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T73

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Eisen

0.50 %

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T73

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Kupfer

1.2 - 2.0 %

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T73

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Magnesium

2.1 - 2.9 %

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T73

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Mangan

0.3 %

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T73

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Silizium

0.4 %

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T73

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Titan

0.2 %

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T73

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Zink

5.1 - 6.1 %

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T73

AA Standards, ASTM B209, ASTM B210, ASTM B211, ASTM B221, ASTM B241, ASTM B247, ASTM B316

Technological properties

Property
Brazing

general: no brazing is known or developed

Corrosion properties

Stress corrosion cracking: Operational damage in areas with tensile stresses transverse to the grain structure, limited damage to laboratory samples, general: good, without protection in industrial or seawater atmosphere

General machinability

General: poor (O), good to acceptable

Workability

general (condition): not suitable