204.0 (A02040) Cast Aluminum

Cast Aluminum Alloys

Material conditionT4

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density3g/cm³

Elastic Modulus71GPa

Tensile Strength340MPa

Yield Strength220MPa

Brinell Hardness90HB

Maximum Service Temperature170°C

Weight Calculator

Chemical Composition

0 to 0.050%

0 to 0.1%

0 to 0.2%

4.2 to 5.0%

0.15 to 0.3%

93.4 to 95.5%

0.15 to 0.35%

RES.

Residuals res. | | 0 to 0.15%

RESIDUALS RES.

0 to 0.15%

0 to 0.050%

0 to 0.1%

0 to 0.35%

Mechanical

Elastic (Young's, Tensile) Modulus

71 GPa

Elongation at Break

7.8 %

Fatigue Strength

77 MPa

Poisson's Ratio

0.33

Shear Modulus

27 GPa

Shear Strength

110 MPa

Tensile Strength: Ultimate (UTS)

340 MPa

Tensile Strength: Yield (Proof)

220 MPa

Hardness

Brinell Hardness

Physical

Density

3.0 g/cm 3

Thermal

Latent Heat of Fusion

390 J/g

Maximum Temperature: Mechanical

170 °C

Melting Completion (Liquidus)

650 °C

Melting Onset (Solidus)

580 °C

Solidification (Pattern Maker's) Shrinkage

1.3 %

Specific Heat Capacity

880 J/kg-K

Thermal Conductivity

120 W/m-K

Thermal Diffusivity

46 mm 2 /s

Thermal Expansion

19 µm/m-K

Thermal Shock Resistance

18 points

Electrical

Electrical Conductivity: Equal Volume

29 % IACS

Electrical Conductivity: Equal Weight (Specific)

87 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

23 MJ/m 3

Resilience: Unit (Modulus of Resilience)

350 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

46 points

Strength to Weight: Axial

31 points

Strength to Weight: Bending

36 points

Environmental

Base Metal Price

11 % relative

Embodied Carbon

8.0 kg CO 2 /kg material

Embodied Energy

150 MJ/kg

Embodied Energy

150 MJ/kg 65 x 10 3 BTU/lb

Embodied Water

1150 L/kg

Embodied Water

1150 L/kg 140 gal/lb

Registered Designations & Aliases

204.0 (A02040) Cast AluminumA02040

Standards

ASTM B108 ASTM B108: Standard Specification for Aluminum-Alloy Permanent Mold Castings

ASTM B26 ASTM B26: Standard Specification for Aluminum-Alloy Sand Castings

ASTM B618 ASTM B618: Standard Specification for Aluminum-Alloy Investment Castings

ASTM B618 ASTM B618: Standard Specification for Aluminum-Alloy Investment Castings ASTM B108: Standard Specification for Aluminum-Alloy Permanent Mold Castings ASTM B26: Standard Specification for Aluminum-Alloy Sand Castings Handbook of Aluminum vol. 2: Alloy Production and Materials Manufacturing, George Totten and D. Scott MacKenzie (editors), 2003 Advanced Materials in Automotive Engineering, Jason Rowe (editor), 2012 Aluminum: Properties and Physical Metallurgy, John E. Hatch (editor), 1984 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993