Dec. 31, 2024
3004 aluminum alloy has superior strength and mechanical properties compared to 3003 aluminum alloy, particularly in shear strength, tensile strength, and fatigue resistance, making it suitable for applications that require higher mechanical stress, while 3003 aluminum alloy is more suitable for applications with lower strength requirements.
Due to its higher magnesium content, 3004 aluminum is stronger than 3003 aluminum, making it more suitable for applications that require higher mechanical strength and performance under stress.
For applications where strength is not the primary concern, and formability and corrosion resistance are the main requirements, 3003 is a good choice.
3004 has higher strength, especially in yield strength and ultimate tensile strength, making it more suitable for use under mechanical stress, such as structural panels and equipment that require higher durability.
| Properties | 3003 Aluminum Alloy | 3004 Aluminum Alloy |
| Main Composition | Approximately 99% aluminum, with a small amount of manganese (1.0-1.5%) | Approximately 99% aluminum, with manganese (1.0-1.5%) and higher magnesium content (0.8-1.3%) |
| Tensile Strength | Relatively low, suitable for applications that do not require high strength | Relatively high, particularly stronger in yield strength and ultimate tensile strength |
| Shear Strength | Relatively low, performance is not as good as 3004 aluminum alloy | Relatively high, offers better shear strength |
| Fatigue Resistance | Relatively low, not suitable for high-fatigue environments | Relatively high, suitable for applications under more mechanical stress |
| Thermal and Electrical Properties | Similar to 3004 aluminum alloy, with comparable thermal and electrical conductivity | Similar to 3003 aluminum alloy, with comparable thermal and electrical conductivity |
| Applications | Suitable for low-strength applications such as roofing, wall panels, cookware, and decorative parts | Suitable for high-strength applications such as roofing, wall panels, cookware, etc., better suited for environments that withstand mechanical stress |
| Element | 3003 Aluminum | 3004 Aluminum |
| Aluminum (Al), % | 96.8 to 99 | 95.6 to 98.2 |
| Copper (Cu), % | 0.050 to 0.2 | 0 to 0.25 |
| Iron (Fe), % | 0 to 0.7 | 0 to 0.7 |
| Magnesium (Mg), % | 0 | 0.8 to 1.3 |
| Manganese (Mn), % | 1.0 to 1.5 | 1.0 to 1.5 |
| Silicon (Si), % | 0 to 0.6 | 0 to 0.3 |
| Zinc (Zn), % | 0 to 0.1 | 0 to 0.25 |
| Residuals, % | 0 | 0 to 0.15 |
| Property | 3003 Aluminum | 3004 Aluminum |
| Brinell Hardness | 28 to 65 | 45 to 83 |
| Elastic (Young's, Tensile) Modulus, x 10^6 psi | 10 | 10 |
| Elongation at Break, % | 1.1 to 28 | 1.1 to 19 |
| Fatigue Strength, x 10^3 psi | 5.7 to 13 | 7.9 to 17 |
| Poisson's Ratio | 0.33 | 0.33 |
| Shear Modulus, x 10^6 psi | 3.8 | 3.8 |
| Shear Strength, x 10^3 psi | 9.9 to 19 | 15 to 25 |
| Tensile Strength: Ultimate (UTS), x 10^3 psi | 16 to 34 | 25 to 45 |
| Tensile Strength: Yield (Proof), x 10^3 psi | 5.7 to 30 | 9.9 to 40 |
3003 and 3004 aluminum alloys have similar thermal conductivity and electrical conductivity. Their performance in heat and electrical transmission is nearly identical, with the main difference being in their strength characteristics rather than thermal or electrical conductivity.
| Property | 3003 Aluminum | 3004 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 | 1170 |
| Specific Heat Capacity, BTU/lb-°F | 0.21 | 0.21 |
| Thermal Conductivity, BTU/h-ft-°F | 100 | 94 |
| Thermal Expansion, µm/m-K | 23 | 24 |
| Property | 3003 Aluminum | 3004 Aluminum |
| Electrical Conductivity: Equal Volume, % IACS | 44 | 42 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | 140 |
| Property | 3003 Aluminum | 3004 Aluminum |
| Base Metal Price, % relative | 9.5 | 9.5 |
| Calomel Potential, mV | -740 | -750 |
| Density, lb/ft³ | 170 | 170 |
| Embodied Carbon, kg CO2/kg material | 8.1 | 8.3 |
| Embodied Energy, x 10³ BTU/lb | 66 | 66 |
| Embodied Water, gal/lb | 140 | 140 |
| Property | 3003 Aluminum | 3004 Aluminum |
| Resilience: Ultimate (Unit Rupture Work), MJ/m³ | 0.95 to 63 | 3.2 to 27 |
| Resilience: Unit (Modulus of Resilience), kJ/m³ | 11 to 300 | 33 to 540 |
| Stiffness to Weight: Axial, points | 14 | 14 |
| Stiffness to Weight: Bending, points | 50 | 50 |
| Strength to Weight: Axial, points | 11 to 24 | 18 to 31 |
| Strength to Weight: Bending, points | 18 to 30 | 25 to 37 |
| Thermal Diffusivity, mm²/s | 71 | 65 |
| Thermal Shock Resistance, points | 4.7 to 10 | 7.6 to 13 |
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