Aluminum 5052-H32 vs. Aluminum ADC12

Compare Aluminum 5052-H32 vs. Aluminum ADC12 strength, stiffness, weight and thermal properties.

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Mechanical
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Yield strength	195MPasourcetypical, 0.2% offset	149MPasourceone test result, 0.2% proof stress, as cast, ASTM tensile bar (Daiki)
Ultimate tensile strength	230MPasourcetypical	345MPasourceone test result, as cast, ASTM tensile bar (Daiki)
Elongation at break	12%sourcetypical	2.3%sourceone test result, as cast, ASTM tensile bar (Daiki)
Young's modulus (stiffness)	70GPasourcetypical	79.8GPasourcestandard value (S.S.Aluminum)
Density	2,685kg/m³sourcenominal	2,680kg/m³sourcemeasured (Daiki)
Strength to weight	72.6kN·m/kg31% higher	55.6kN·m/kg
Stiffness to weight	26.1MN·m/kg	29.8MN·m/kg14% higher
Poisson's ratio	0.33sourcetypical (handbook physical constant)	not sourced
Shear modulus	26.3GPa	not sourced
Bulk modulus	68.6GPa	not sourced
Speed of sound	5,106m/s	5,457m/s
Thermal
Thermal conductivity	138W/m·Ksourcebase material: 5052 in O temper (same alloy, annealed); Kaiser typical	125W/m·Ksourcemeasured on specimens cut from a 50 x 100 x 5 mm flat die casting (Daiki)
Thermal expansion	23.8µm/m·Ksourcetypical, mean 20-100 °C	21µm/m·Ksourcemeasured, temperature range not stated (Daiki)
100 mm part over a 50 °C swing	119µm growth	105µm growth13% less
Specific heat	963J/kg·Ksourceat 100 °C (212 °F); table covers O, H32, H34, H36, H38	911J/kg·Ksourcemeasured (Daiki)
Heats up and cools (diffusivity)	53.4mm²/s4% faster	51.2mm²/s
Thermal shock resistance	10,822W/m	not sourced
Melting point	605–650°Csourcemelting range	515–582°Csourcesolidus-liquidus (Daiki)
Values for	5052-H32, Kaiser Aluminum tube & pipe typical datasheet (mechanical, CTE, melting); MIL-HDBK-5J (Poisson, density, specific heat)	JIS ADC12 (Al-Si-Cu, about A383 / EN AC-46100) high-pressure die-casting alloy, as cast; physical properties from Daiki Aluminium Industry (ADC12 ingot producer) measured values; modulus from S.S.Aluminum (ADC12 ingot producer) standard values.

Every value links to the document that states it. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.

Questions

Is Aluminum 5052-H32 stronger than Aluminum ADC12?

Aluminum 5052-H32 is stronger: its yield strength is 195 MPa against 149 MPa for Aluminum ADC12 (31%).

Which is lighter, Aluminum 5052-H32 or Aluminum ADC12?

Aluminum ADC12 is lighter: 2,680 kg/m³ against 2,685 kg/m³ for Aluminum 5052-H32.

Which is stiffer, Aluminum 5052-H32 or Aluminum ADC12?

Aluminum ADC12 is stiffer: Young's modulus 79.8 GPa against 70 GPa for Aluminum 5052-H32, so the same part in Aluminum ADC12 deflects less under the same load.

Which is lighter for the same job, Aluminum 5052-H32 or Aluminum ADC12?

For the same stiffness or strength: Aluminum 5052-H32 is lighter for a strong rod or tie, strong beam, strong panel or plate; Aluminum ADC12 is lighter for a stiff rod or tie (tension), stiff beam (bending), stiff panel or plate.

Part that must be	Aluminum 5052-H32	Aluminum ADC12
Stiff rod or tie (tension)	14% heavier	lighter
Stiff beam (bending)	7% heavier	lighter
Stiff panel or plate	5% heavier	lighter
Strong rod or tie	lighter	31% heavier
Strong beam	lighter	19% heavier
Strong panel or plate	lighter	14% heavier

For the same stiffness or strength, mass scales with density over stiffness (or strength) raised to a power set by how the part is loaded: 1 for a rod in tension, 1/2 for a beam in bending, 1/3 for a panel (the standard material-selection indices).

Which conducts heat better, Aluminum 5052-H32 or Aluminum ADC12?

Aluminum 5052-H32 conducts heat better: 138 W/m·K against 125 W/m·K for Aluminum ADC12.

Which expands less with temperature?

Aluminum ADC12 expands less: 21 µm/m·K against 23.8 µm/m·K for Aluminum 5052-H32.

Among 72 materials

Stiffness against density

Strength against density