AA Standards Grade 7075 O

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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

Los datos sobre este material han sido proporcionados por AluKey,MakeItFrom.com,ASM Handbook Volume 2 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials,Matmatch.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

PropertyValueCondition

Densidad

2.8 g/cm³

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O

2.81 g/cm³

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O

3.1 g/cm³

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O

Mecánica

PropertyValueConditionRelated StandardsComment

Coeficiente de Poisson

0.33 [-]

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O

Dureza Brinell

60.0 [-]

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O

AA Standards

60.0 [-]

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O

500 kg load, 10 mm ball

Elongación

8.0 %

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O

AA Standards, ASTM B210

A50

9.0 %

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O

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

A100

10.0 %

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O

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

A50

13.0 %

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O

14.0 %

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O

AA Standards

A100

16 %

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O

17.0 %

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O

AA Standards

A50

17.0 %

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O

Límite elástico

103.0 MPa

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O

105.0 MPa

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O

AA Standards

RP02

105 MPa

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O

RP02

120.0 MPa

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O

145.0 MPa

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O

AA Standards, ASTM B209, ASTM B210

RP02

165.0 MPa

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O

AA Standards, ASTM B221, ASTM B241

RP02

Módulo de cizallamiento

26.9 GPa

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O

Módulo de compresión

72.4 MPa

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O

Módulo elástico

71.0 GPa

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O

72.0 GPa

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O

72 GPa

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O

Plane-Strain Fracture Toughnes

22.0 - 35.0 MPa·√m

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Typical for Wrought 7000 Series Aluminium

Resistencia a la tracción

228.0 MPa

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O

230.0 MPa

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O

AA Standards

230 MPa

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O

275.0 MPa

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O

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

Resistencia al cizallamiento

152.0 MPa

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O

Aplicaciones térmicas

PropertyValueCondition

Calor específico

910.0 J/(kg·K)

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O

960.0 J/(kg·K)

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O

Coeficiente de dilatación térmica

2.3e-05 1/K

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O

2.34e-05 1/K

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O

Conductividad térmica

130.0 W/(m·K)

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O

Temperatura de fusión

480.0 °C

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O

Eléctrico

PropertyValueComment

Conductividad eléctrica

18000000.0 - 34000000.0 S/m

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Typical for Wrought 7000 Series Aluminium

Resistividad eléctrica

2.9e-08 - 5.6e-08 Ω·m

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Typical for Wrought 7000 Series Aluminium

Chemical properties

PropertyValueConditionRelated Standards

Aluminio

86.9 - 91.4 %

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O

Circonio

0.25 %

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O

Cobre

1.2 - 2.0 %

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O

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

Cromo

0.18 - 0.28 %

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O

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

Hierro

0.50 %

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O

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

0.5 %

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O

Magnesio

2.1 - 2.9 %

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O

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

Manganeso

0.3 %

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O

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

Otro

0.15 %

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O

Silicona

0.4 %

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O

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

Titanio

0.2 %

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O

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

Zinc

5.1 - 6.1 %

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O

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