AA Standards Grade 3004 H38

Density

2.72 - 2.8 g/cm³ at 20 °C

Elastic modulus

69 GPa at 20 °C

Elongation

20 % at -195 °C

Elongation in 50 mm

Elongation A100

5 % at 20 °C

Elongation A50

1 - 5 % at 20 °C

Fatigue strength

16 MPa at 20 °C

for 5x10⁸ cycles

Hardness, Brinell

77 [-] at 20 °C

500 kg load, 10 mm ball

Plane-Strain Fracture Toughnes

22 - 35 MPa·√m at 20 °C

Typical for Wrought 3000 Series Aluminium

Poisson's ratio

0.33 [-] at 20 °C

Typical for Wrought 3000 Series Aluminium

Shear modulus

25 GPa at 20 °C

Shear strength

145 MPa at 20 °C

Tensile strength

400 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

Yield strength

250 MPa at 20 °C

Yield strength Rp0.2

295 MPa at -200 °C

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

Coefficient of thermal expansion

2.39E-5 - 2.4E-5 1/K at 20 °C

Melting point

630 - 655 °C

Specific heat capacity

890 J/(kg·K) at 20 °C

Thermal conductivity

160 - 163 W/(m·K) at 20 °C

Electrical conductivity

2.40E+7 - 2.44E+8 S/m at 20 °C

Electrical resistivity

4.17E-8 Ω·m at 20 °C