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5657-H38 Aluminum

5657-H38 aluminum is 5657 aluminum in the H38 temper. This is the strongest temper normally produced through the action of strain hardening followed by stabilization. It is closely related to H18.

It has the highest strength and second lowest ductility compared to the other variants of 5657 aluminum.

The graph bars on the material properties cards below compare 5657-H38 aluminum to: 5000-series alloys (top), all aluminum alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Brinell Hardness

50

Elastic (Young's, Tensile) Modulus

68 GPa 9.8 x 106 psi

Elongation at Break

7.0 %

Fatigue Strength

81 MPa 12 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

26 GPa 3.7 x 106 psi

Shear Strength

110 MPa 15 x 103 psi

Tensile Strength: Ultimate (UTS)

200 MPa 28 x 103 psi

Tensile Strength: Yield (Proof)

170 MPa 24 x 103 psi

Thermal Properties

Latent Heat of Fusion

400 J/g

Maximum Temperature: Mechanical

180 °C 360 °F

Melting Completion (Liquidus)

660 °C 1210 °F

Melting Onset (Solidus)

640 °C 1180 °F

Specific Heat Capacity

900 J/kg-K 0.22 BTU/lb-°F

Thermal Conductivity

210 W/m-K 120 BTU/h-ft-°F

Thermal Expansion

24 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

54 % IACS

Electrical Conductivity: Equal Weight (Specific)

180 % IACS

Otherwise Unclassified Properties

Base Metal Price

9.5 % relative

Density

2.7 g/cm3 170 lb/ft3

Embodied Carbon

8.4 kg CO2/kg material

Embodied Energy

160 MJ/kg 67 x 103 BTU/lb

Embodied Water

1200 L/kg 140 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

13 MJ/m3

Resilience: Unit (Modulus of Resilience)

200 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

50 points

Strength to Weight: Axial

20 points

Strength to Weight: Bending

28 points

Thermal Diffusivity

84 mm2/s

Thermal Shock Resistance

8.6 points

Alloy Composition

Aluminum (Al) 98.5 to 99.4
Magnesium (Mg) 0.6 to 1.0
Iron (Fe) 0 to 0.1
Copper (Cu) 0 to 0.1
Silicon (Si) 0 to 0.080
Zinc (Zn) 0 to 0.050
Vanadium (V) 0 to 0.050
Manganese (Mn) 0 to 0.030
Gallium (Ga) 0 to 0.030
Residuals 0 to 0.050

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

ASTM B209: Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate

Aluminum Standards and Data, Aluminum Association Inc., 2013

EN 573-3: Aluminium and aluminium alloys. Chemical composition and form of wrought products. Chemical composition and form of products

Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993