2218 Aluminum

Wrought Aluminum Alloys

Material conditionT61

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density3.1g/cm³

Elastic Modulus73GPa

Tensile Strength430MPa

Yield Strength310MPa

Brinell Hardness110HB

Maximum Service Temperature220°C

Weight Calculator

Chemical Composition

0 to 0.1%

1.7 to 2.3%

0 to 0.2%

0 to 0.9%

3.5 to 4.5%

88.8 to 93.6%

1.2 to 1.8%

RES.

Residuals res. | | 0 to 0.15%

RESIDUALS RES.

0 to 0.15%

0 to 0.25%

0 to 1.0%

Mechanical

Elastic (Young's, Tensile) Modulus

73 GPa

Elongation at Break

6.8 %

Fatigue Strength

110 MPa

Poisson's Ratio

0.33

Shear Modulus

27 GPa

Shear Strength

250 MPa

Tensile Strength: Ultimate (UTS)

430 MPa

Tensile Strength: Yield (Proof)

310 MPa

Hardness

Brinell Hardness

110

Physical

Density

3.1 g/cm 3

Thermal

Latent Heat of Fusion

390 J/g

Maximum Temperature: Mechanical

220 °C

Melting Completion (Liquidus)

640 °C

Melting Onset (Solidus)

510 °C

Specific Heat Capacity

870 J/kg-K

Thermal Conductivity

140 W/m-K

Thermal Diffusivity

52 mm 2 /s

Thermal Expansion

22 µm/m-K

Thermal Shock Resistance

19 points

Electrical

Electrical Conductivity: Equal Volume

37 % IACS

Electrical Conductivity: Equal Weight (Specific)

110 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

27 MJ/m 3

Resilience: Unit (Modulus of Resilience)

650 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

45 points

Strength to Weight: Axial

39 points

Strength to Weight: Bending

41 points

Environmental

Base Metal Price

11 % relative

Embodied Carbon

8.2 kg CO 2 /kg material

Embodied Energy

150 MJ/kg

Embodied Energy

150 MJ/kg 64 x 10 3 BTU/lb

Embodied Water

1130 L/kg

Embodied Water

1130 L/kg 130 gal/lb

Registered Designations & Aliases

2218 AluminumA92218EN AW-2218

Standards

ASTM B247 ASTM B247: Standard Specification for Aluminum and Aluminum-Alloy Die Forgings, Hand Forgings, and Rolled Ring Forgings

ASTM B247 ASTM B247: Standard Specification for Aluminum and Aluminum-Alloy Die Forgings, Hand Forgings, and Rolled Ring Forgings Iron in Aluminium Alloys: Impurity and Alloying Element, N. A. Belov et al., 2002 Aluminum Standards and Data, Aluminum Association Inc., 2013