MakeItFrom.com
Menu (ESC)

1350 (E-Al99.5, EC, 3.0257, 1E, A91350) Aluminum

1350 aluminum is a 1000-series aluminum alloy: it is considered commercially pure, and is formulated for primary forming into wrought products. 1350 is the Aluminum Association (AA) designation for this material. In European standards, it will be given as EN AW-1350. 1E is the British Standard (BS) designation. And A91350 is the UNS number. Older literature may refer to this material as EC, but this is now discouraged.

It originally received its standard designation in 1975. This material is well established: the Further Reading section below cites a number of published standards, and that list is not necessarily exhaustive.

It can have the highest tensile strength among the 1000-series alloys in the database.

The properties of 1350 aluminum include fourteen common variations. This page shows summary ranges across all of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare 1350 aluminum to: 1000-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

20 to 45

Elastic (Young's, Tensile) Modulus

68 GPa 9.9 x 106 psi

Elongation at Break

1.4 to 30 %

Fatigue Strength

24 to 50 MPa 3.4 to 7.3 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

26 GPa 3.7 x 106 psi

Shear Strength

44 to 110 MPa 6.4 to 15 x 103 psi

Tensile Strength: Ultimate (UTS)

68 to 190 MPa 9.9 to 27 x 103 psi

Tensile Strength: Yield (Proof)

25 to 170 MPa 3.6 to 24 x 103 psi

Thermal Properties

Latent Heat of Fusion

400 J/g

Maximum Temperature: Mechanical

170 °C 340 °F

Melting Completion (Liquidus)

660 °C 1210 °F

Melting Onset (Solidus)

650 °C 1190 °F

Specific Heat Capacity

900 J/kg-K 0.22 BTU/lb-°F

Thermal Conductivity

230 W/m-K 140 BTU/h-ft-°F

Thermal Expansion

24 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

61 to 62 % IACS

Electrical Conductivity: Equal Weight (Specific)

200 to 210 % IACS

Otherwise Unclassified Properties

Base Metal Price

9.5 % relative

Calomel Potential

-740 mV

Density

2.7 g/cm3 170 lb/ft3

Embodied Carbon

8.3 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)

0.77 to 54 MJ/m3

Resilience: Unit (Modulus of Resilience)

4.4 to 200 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

50 points

Strength to Weight: Axial

7.0 to 19 points

Strength to Weight: Bending

14 to 27 points

Thermal Diffusivity

96 m2/s

Thermal Shock Resistance

3.0 to 8.2 points

Alloy Composition

Among wrought aluminum alloys, the composition of 1350 aluminum is notable for including boron (B) and gallium (Ga). Boron is used as a grain refiner, and to improve electrical conductivity. Gallium is used to improve corrosion resistance and to modify an alloy's response to etching, brightening, and similar treatments.

Aluminum (Al) 99.5 to 100
Iron (Fe) 0 to 0.4
Silicon (Si) 0 to 0.1
Boron (B) 0 to 0.050
Zinc (Zn) 0 to 0.050
Copper (Cu) 0 to 0.050
Gallium (Ga) 0 to 0.030
Titanium (Ti) 0 to 0.020
Vanadium (V) 0 to 0.020
Manganese (Mn) 0 to 0.010
Chromium (Cr) 0 to 0.010
Residuals 0 to 0.1

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

Followup Questions

Similar Alloys

Further Reading

ASTM B236: Standard Specification for Aluminum Bars for Electrical Purposes (Bus Bars)

ASTM B609: Standard Specification for Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes

ASTM B230: Standard Specification for Aluminum 1350-H19 Wire for Electrical Purposes

ASTM B233: Standard Specification for Aluminum 1350 Drawing Stock for Electrical Purposes

Handbook of Aluminum Bonding Technology and Data, J. D. Minford, 1993

EN 755-2: Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles. Mechanical properties

EN 485-2: Aluminium and aluminium alloys. Sheet, strip and plate. Mechanical properties

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