1060-H28 and 1100-H28 aluminum are both high-purity aluminum alloys, primarily composed of aluminum, with very similar alloy compositions. Both are supplied in the H28 condition, which indicates a certain degree of strain hardening and partial annealing. Although these two alloys have similar chemical compositions, they exhibit differences in various mechanical, electrical, thermal, and cost-related properties.
- Mechanical Properties: 1100-H28 offers higher tensile strength, yield strength, fatigue strength, and shear strength, making it suitable for applications that require high strength and durability. 1060-H28 is more suitable for applications that require good thermal conductivity and electrical conductivity.
- Thermal Properties: 1060-H28 has better thermal conductivity and thermal diffusivity, making it ideal for applications with high heat dissipation requirements.
- Electrical Properties: 1060-H28 offers higher electrical conductivity, making it suitable for electrical and electronic applications.
- Cost and Environmental Impact: The cost difference between the two is minimal, but the metal price of 1060-H28 is slightly higher, and the environmental and energy consumption impacts are very similar.
1060-H28 Aluminum vs. 1100-H28 Aluminum Alloy Composition
| Element | 1060-H28 Aluminum | 1100-H28 Aluminum |
| Aluminum (Al), % | 99.6 to 100 | 99 to 99.95 |
| Copper (Cu), % | 0 to 0.050 | 0.050 to 0.2 |
| Iron (Fe), % | 0 to 0.35 | 0 to 1.0 |
| Magnesium (Mg), % | 0 to 0.030 | 0 |
| Manganese (Mn), % | 0 to 0.030 | 0 to 0.050 |
| Silicon (Si), % | 0 to 0.25 | 0 to 1.0 |
| Titanium (Ti), % | 0 to 0.030 | 0 |
| Vanadium (V), % | 0 to 0.050 | 0 |
| Zinc (Zn), % | 0 to 0.050 | 0 to 0.1 |
| Residuals, % | 0 | 0 to 0.15 |
1060-H28 Aluminum vs. 1100-H28 Aluminum Characteristics and Applications
- 1100-H28: More commonly used in applications requiring higher strength, such as aerospace, automotive, industrial equipment, and structural components.
- 1060-H28: Very suitable for electrical, thermal, and heat dissipation applications, such as heat exchangers, electrical conductors, and electronic components.
Both alloys have a wide range of uses, but selecting the right alloy depends on the specific requirements for strength, electrical conductivity, and thermal performance in the application.
| Characteristics/Alloy Type | 1060-H28 Aluminum Alloy | 1100-H28 Aluminum Alloy |
| Aluminum Content | ≥99.6% | ≥99% |
| Strength | Lower | Higher (Medium Strength) |
| Electrical Conductivity | Excellent | Good |
| Thermal Conductivity | Excellent | Good |
| Corrosion Resistance | Excellent | Good |
| Workability | Good | Good |
| Hardness | Medium (H28 Condition) | Medium (H28 Condition) |
| Common Applications | Electrical Applications (Electrical Conductors, Electronic Components) | Aerospace (Exterior Panels, Decorative Parts, Cabin Interiors) |
| Heat Exchangers (Radiators, Air Conditioning Condensers) | Automotive Industry (Body Panels, Frames, Doors) | |
| Electronic Components (Heat Sinks, Heat Pipes) | Industrial Equipment (Containers, Pipelines, Structural Frames) | |
| Food and Chemical Containers | Food Packaging, Beverage Cans | |
| Advantages | Good Electrical and Thermal Conductivity | Higher Strength |
| Excellent Corrosion Resistance | Excellent Corrosion Resistance | |
| Low Cost | Good Workability | |
| Disadvantages | Lower Mechanical Strength | Lower Electrical Conductivity, Not Suitable for High Conductivity Applications |
| Suitable Applications | Electrical, Heat Exchange, Low Strength Structural Parts | Medium Strength Applications, such as Aerospace, Automotive, Industrial Equipment, etc. |
1060 H28 Aluminum vs. 1100-H28 Aluminum Mechanical Properties
| Property | 1060-H28 Aluminum | 1100-H28 Aluminum |
| Elastic (Young's, Tensile) Modulus (x 10^6 psi) | 9.9 | 10.0 |
| Elongation at Break (%) | 1.1 | 1.1 |
| Fatigue Strength (x 10^3 psi) | 5.4 | 7.7 |
| Poisson's Ratio | 0.33 | 0.33 |
| Shear Modulus (x 10^6 psi) | 3.7 | 3.8 |
| Shear Strength (x 10^3 psi) | 10 | 14 |
| Tensile Strength: Ultimate (UTS) (x 10^3 psi) | 18 | 24 |
| Tensile Strength: Yield (Proof) (x 10^3 psi) | 14 | 20 |
1060 H28 Aluminum vs. 1100-H28 Aluminum Thermal Properties
| Property | 1060-H28 Aluminum | 1100-H28 Aluminum |
| Latent Heat of Fusion (J/g) | 400 | 400 |
| Maximum Temperature: Mechanical (°F) | 340 | 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) | 140 | 130 |
| Thermal Expansion (µm/m-K) | 24 | 24 |
1060 H28 Aluminum vs. 1100-H28 Aluminum Electrical Properties
| Property | 1060-H28 Aluminum | 1100-H28 Aluminum |
| Electrical Conductivity: Equal Volume (% IACS) | 62 | 59 |
| Electrical Conductivity: Equal Weight (% IACS) | 210 | 190 |
Otherwise Unclassified Properties
| Property | 1060-H28 Aluminum | 1100-H28 Aluminum |
| Base Metal Price (% relative) | 9.5 | 9.0 |
| Calomel Potential (mV) | -750 | -740 |
| Density (lb/ft³) | 170 | 170 |
| Embodied Carbon (kg CO2/kg material) | 8.3 | 8.2 |
| Embodied Energy (x 10^3 BTU/lb) | 67 | 66 |
| Embodied Water (gal/lb) | 140 | 140 |
Common Calculations
| Property | 1060-H28 Aluminum | 1100-H28 Aluminum |
| Resilience: Ultimate (Unit Rupture Work) (MJ/m³) | 1.3 | 1.8 |
| Resilience: Unit (Modulus of Resilience) (kJ/m³) | 66 | 140 |
| Stiffness to Weight: Axial (points) | 14 | 14 |
| Stiffness to Weight: Bending (points) | 50 | 50 |
| Strength to Weight: Axial (points) | 13 | 17 |
| Strength to Weight: Bending (points) | 21 | 25 |
| Thermal Diffusivity (mm²/s) | 96 | 90 |
| Thermal Shock Resistance (points) | 5.6 | 7.4 |
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