1100-H14 Aluminum vs. 1100-H24 Aluminum

1100 H14 aluminum and 1100-H24 aluminum both belong to the 1100 series of aluminum alloys. These alloys are widely used in various fields such as aerospace, automotive, construction, and electronic devices due to their excellent corrosion resistance and good processing performance. Although they have the same alloy composition (primarily 99% aluminum), their mechanical properties differ due to different processing methods (i.e., heat treatment and cold working). The main differences between 1100-H14 and 1100-H24 are in ductility, tensile strength, and elasticity.

1100 H14 aluminum and 1100-H24 aluminum are variants of the same material. They have the same alloy composition and many physical properties, but they exhibit different mechanical properties due to different processing techniques.

The following table clearly shows the differences between 1100-H14 aluminum alloy and 1100-H24 aluminum alloy in various mechanical properties.

Property	1100-H14 Aluminum Alloy	1100-H24 Aluminum Alloy
Elongation at Break	1100-H14 aluminum alloy has better ductility and can withstand more tensile stress under greater deformation. This makes it ideal for processing techniques that require high plasticity and elongation, such as deep drawing or complex forming processes.	1100-H24 aluminum alloy has lower ductility and is suitable for applications that do not require large deformation, making it ideal for simpler processing processes.
Tensile Strength (Ultimate Tensile Strength)	1100-H14 aluminum alloy has slightly lower tensile strength, making it suitable for applications with relatively low strength requirements. It strikes a balance between strength and toughness, making it ideal for scenarios that require good formability.	1100-H24 aluminum alloy has slightly higher tensile strength, providing better strength performance. It is suitable for applications that require higher material strength, especially in structural load-bearing scenarios.
Fatigue Strength	1100-H14 aluminum alloy has lower fatigue strength, making it suitable for applications with light or minimal vibration. It performs better in environments that require some degree of ductility.	1100-H24 aluminum alloy has slightly higher fatigue strength, allowing it to withstand higher cyclic loads. It is suitable for environments with prolonged vibration or repeated loading.
Elasticity	1100-H14 aluminum alloy has a higher ultimate fracture energy, meaning it can better absorb external impacts or loads and has stronger energy absorption capacity. It is suitable for impact or heavy load environments.	1100-H24 aluminum alloy has lower ultimate fracture energy, making it less effective in energy absorption compared to 1100-H14. It is more suitable for applications with smaller or more stable loads.

1100-H14 aluminum alloy is suitable for applications that require high ductility and energy absorption, while 1100-H24 aluminum alloy is better for applications that require higher strength and fatigue resistance.

1100 H14 and 1100-H24 Aluminum Mechanical Properties

Property	1100-H14 Aluminum	1100-H24 Aluminum
Elastic (Young's, Tensile) Modulus, x 10⁶ psi	10	10
Elongation at Break, %	8.2	3.9
Fatigue Strength, x 10³ psi	7.2	7.9
Poisson's Ratio	0.33	0.33
Shear Modulus, x 10⁶ psi	3.8	3.8
Shear Strength, x 10³ psi	11	11
Tensile Strength: Ultimate (UTS), x 10³ psi	18	19
Tensile Strength: Yield (Proof), x 10³ psi	16	16

1100 H14 and 1100-H24 Aluminum Thermal Properties

In terms of thermal properties, 1100-H14 and 1100-H24 aluminum alloys are very similar. They have the same melting point, thermal conductivity, coefficient of thermal expansion, and specific heat capacity, and can be used at higher temperatures (up to 360°F), making them suitable for environments that require high-temperature resistance.

Property	1100-H14 Aluminum	1100-H24 Aluminum
Latent Heat of Fusion, J/g	400	400
Maximum Temperature: Mechanical, °F	360	360
Melting Completion (Liquidus), °F	1210	1210
Melting Onset (Solidus), °F	1190	1190
Specific Heat Capacity, BTU/lb-°F	0.22	0.22
Thermal Conductivity, BTU/h-ft-°F	130	130
Thermal Expansion, µm/m-K	24	24

1100 H14 and 1100-H24 Aluminum Electrical Properties

In terms of electrical properties, 1100-H14 and 1100-H24 have the same electrical conductivity, both offering excellent conductivity, making them suitable for applications that require good electrical conductivity.

Property	1100-H14 Aluminum	1100-H24 Aluminum
Electrical Conductivity: Equal Volume, % IACS	59	59
Electrical Conductivity: Equal Weight (Specific), % IACS	190	190

Otherwise Unclassified Properties

Property	1100-H14 Aluminum	1100-H24 Aluminum
Base Metal Price, % relative	9.0	9.0
Calomel Potential, mV	-740	-740
Density, lb/ft³	170	170
Embodied Carbon, kg CO₂/kg material	8.2	8.2
Embodied Energy, x 10³ BTU/lb	66	66
Embodied Water, gal/lb	140	140

Common Calculations

Property	1100-H14 Aluminum	1100-H24 Aluminum
Resilience: Ultimate (Unit Rupture Work), MJ/m³	9.8	4.8
Resilience: Unit (Modulus of Resilience), kJ/m³	87	84
Stiffness to Weight: Axial, points	14	14
Stiffness to Weight: Bending, points	50	50
Strength to Weight: Axial, points	13	13
Strength to Weight: Bending, points	21	21
Thermal Diffusivity, mm²/s	90	90
Thermal Shock Resistance, points	5.5	5.6

1100 H14 and 1100-H24 Aluminum Alloy Composition

Element	1100-H14 Aluminum	1100-H24 Aluminum
Aluminum (Al), %	99 to 99.95	99 to 99.95
Copper (Cu), %	0.050 to 0.2	0.050 to 0.2
Iron (Fe), %	0 to 1.0	0 to 1.0
Manganese (Mn), %	0 to 0.050	0 to 0.050
Silicon (Si), %	0 to 1.0	0 to 1.0
Zinc (Zn), %	0 to 0.1	0 to 0.1
Residuals, %	0	0 to 0.15

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