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AA Standards Grade 2219 T81

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Description

Related Standards

Equivalent Materials

Ashby charts

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Properties

General

Density

ρ

2.84 - 3.1 g/cm³ at 20 °C

Dimension

Dimensions

Dicke

Mechanical

Elastic modulus

E

73 - 74 GPa at 20 °C

Elongation

A

8.2 - 10 % at 20 °C

Elongation A100

A100

5 % at 20 °C

Elongation A50

A50

6 - 10 % at 20 °C

Plane-Strain Fracture Toughnes

KIC

22 - 35 MPa·√m at 20 °C

Typical for Wrought 2000 Series Aluminium

Poisson's ratio

ν

0.33 [-] at 20 °C

Typical for Wrought 2000 Series Aluminium

Shear modulus

G

26 GPa at 20 °C

Tensile strength

Rm

572 MPa at -195 °C

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

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Yield strength

YS

350 MPa at 20 °C

Yield strength Rp0.2

Rp0.2

421 MPa at -196 °C

up to 10000 h at temperature, at 35 MPa/min to yield strength and then at strain rate of 5%/min to fracture

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Thermal

Coefficient of thermal expansion

α

2.2E-5 - 2.23E-5 1/K at 20 °C

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Melting point

Tm

540 - 645 °C

Specific heat capacity

cp

860 J/(kg·K) at 20 °C

Thermal conductivity

λ

113 - 172 W/(m·K) at 20 °C

Electrical

Electrical conductivity

σel

1.60E+7 - 1.74E+8 S/m at 20 °C

Typical value

Electrical resistivity

ρel

3.85E-8 - 6.25E-8 Ω·m at 20 °C

Typical value

Specific Electrical conductivity

29 % IACS

Typical/Derived value

Chemical properties

Element

Weight %

Comment

Al

91.5 - 93.8 %

Cu

5.8 - 6.8 %

Mn

0.2 - 0.4 %

Zr

0.1 - 0.25 %

V

0.05 - 0.15 %

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Technological properties

Brazing

general: no brazing is known or developed

Corrosion properties

Stress corrosion cracking: Betriebsschäden in Gebieten mit Zugspannungen quer zur Kornstruktur, Eingeschränkte Schäden an Laborproben (T31, T351, T3510, T3511, T37), kein Schadensfall im Betrieb, eingeschränkte Schäden bei den Labortests (T81, T851, T8510, T8511), general: sufficient, in principle it should be protected

General machinability

General: good to acceptable

Workability

general (condition): poor(T31, T351, T3510, T3511), not suitable (T37, T81, T851, T8510, T8511, T87)

This material data has been provided by MakeItFrom.com,ASM Handbook Volume 2 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials,WroughtAl_ElectricalResistivity,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.