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5383-H112 Aluminum vs. 5456-H112 Aluminum

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5383-H112 aluminum alloy is suitable for high-temperature and high thermal conductivity applications, while 5456-H112 aluminum alloy performs better in ductility and corrosion resistance, making it suitable for environments requiring higher toughness and corrosion resistance.

The choice between 5383-H112 and 5456-H112 mainly depends on the specific requirements of the final application, such as temperature tolerance, ductility, thermal conductivity, and corrosion resistance.

Comparison Table of 5383-H112 Aluminum Alloy and 5456-H112 Aluminum Alloy

Performance Characteristics 5383-H112 Aluminum Alloy 5456-H112 Aluminum Alloy
Elongation at Fracture Slightly lower (around 12%) Higher (around 14%)
Maximum Mechanical Temperature Can withstand higher maximum temperature (400°F) Can withstand lower maximum temperature (370°F)
Melting Point Higher melting temperature Lower melting temperature
Thermal Conductivity Higher (72 BTU/h-ft-°F) Lower (68 BTU/h-ft-°F)
Alloy Composition Contains higher iron (0-0.4%), slightly lower magnesium content Contains higher magnesium (4.7-5.5%), higher iron content
Applications High-temperature environments, applications requiring higher thermal conductivity Applications requiring higher ductility and corrosion resistance, especially in the marine and structural industries

5383-H112 Aluminum vs. 5456-H112 Aluminum Alloy Composition

Element 5383-H112 Aluminum 5456-H112 Aluminum
Aluminum (Al), % 92 to 95.3 92 to 94.8
Chromium (Cr), % 0 to 0.25 0.050 to 0.2
Copper (Cu), % 0 to 0.2 0 to 0.1
Iron (Fe), % 0 to 0.25 0 to 0.4
Magnesium (Mg), % 4.0 to 5.2 4.7 to 5.5
Manganese (Mn), % 0.7 to 1.0 0.5 to 1.0
Silicon (Si), % 0 to 0.25 0 to 0.25
Titanium (Ti), % 0 to 0.15 0 to 0.2
Zinc (Zn), % 0 to 0.4 0 to 0.25
Zirconium (Zr), % 0 to 0.2 0
Residuals, % 0 0 to 0.15

5383-H112 Aluminum vs. 5456-H112 Aluminum Mechanical Properties

Property 5383-H112 Aluminum 5456-H112 Aluminum
Elastic (Young's, Tensile) Modulus (x 10^6 psi) 9.9 9.9
Elongation at Break (%) 12 14
Fatigue Strength (x 10^3 psi) 20 19
Poisson's Ratio 0.33 0.33
Shear Modulus (x 10^6 psi) 3.7 3.7
Shear Strength (x 10^3 psi) 28 28
Tensile Strength: Ultimate (UTS) (x 10^3 psi) 47 46
Tensile Strength: Yield (Proof) (x 10^3 psi) 23 22

5383-H112 Aluminum vs. 5456-H112 Aluminum Thermal Properties

Property 5383-H112 Aluminum 5456-H112 Aluminum
Latent Heat of Fusion (J/g) 390 390
Maximum Temperature: Corrosion (°F) 150 150
Maximum Temperature: Mechanical (°F) 400 370
Melting Completion (Liquidus) (°F) 1200 1180
Melting Onset (Solidus) (°F) 1010 1060
Specific Heat Capacity (BTU/lb-°F) 0.22 0.22
Thermal Conductivity (BTU/h-ft-°F) 72 68
Thermal Expansion (µm/m-K) 24 24

5383-H112 Aluminum vs. 5456-H112 Aluminum Electrical Properties

Property 5383-H112 Aluminum 5456-H112 Aluminum
Electrical Conductivity: Equal Volume (% IACS) 29 29
Electrical Conductivity: Equal Weight (% IACS) 97 97

Applications of 5383-H112 Aluminum and 5456-H112 Aluminum

Both alloys are very similar in performance and are suitable for the marine and structural industries, especially in environments requiring high strength, excellent corrosion resistance, and good formability. When choosing between the two, the decision can be based on specific application needs and environmental conditions. For example, 5383-H112 is more ideal for applications requiring higher temperature resistance and thermal conductivity, while 5456-H112 may be the better choice when higher ductility is needed.

Alloy Type Application Areas
5383-H112 Aluminum Alloy Suitable for applications requiring high temperature and high thermal conductivity, such as ship engine rooms, piping systems, cooling system components, radiators, and heat exchangers.
5456-H112 Aluminum Alloy Suitable for environments requiring high ductility and corrosion resistance, such as hull structures, decks, ship frames, seawater-exposed components, and complex-shaped structural parts.

Applications of 5383-H112 Aluminum Alloy

5383-H112 aluminum alloy, with its higher temperature resistance and thermal conductivity, is suitable for applications requiring heat dissipation and temperature tolerance. For example, components in the marine industry exposed to high-temperature environments or those in contact with high-temperature liquids and gases, such as engine rooms, piping, and cooling system components, can be made using 5383-H112. Additionally, due to its higher thermal conductivity, 5383-H112 is also ideal for structural components that require rapid heat dissipation, such as radiators and heat exchangers, particularly in applications where good thermal conductivity is essential.

Applications of 5456-H112 Aluminum Alloy

5456-H112 aluminum alloy, with its higher elongation at fracture, offers outstanding ductility and toughness, making it highly suitable for applications requiring high formability and corrosion resistance, particularly in the marine and structural industries. It excels in ship hull structures, decks, and ship frames, and is particularly suitable for components exposed to seawater or corrosive environments. Its strong corrosion resistance and excellent formability make it the alloy of choice for manufacturing complex-shaped structural parts and key components subject to high mechanical stress, such as the outer shell and heavy-duty frames of ships.

Otherwise Unclassified Properties

Property 5383-H112 Aluminum 5456-H112 Aluminum
Base Metal Price (% relative) 9.5 9.5
Density (lb/ft^3) 170 170
Embodied Carbon (kg CO2/kg material) 9.0 9.0
Embodied Energy (x 10^3 BTU/lb) 67 66
Embodied Water (gal/lb) 140 140

Common Calculations

Property 5383-H112 Aluminum 5456-H112 Aluminum
Resilience: Ultimate (Unit Rupture Work) (MJ/m³) 33 37
Resilience: Unit (Modulus of Resilience) (kJ/m³) 190 170
Stiffness to Weight: Axial (points) 14 14
Stiffness to Weight: Bending (points) 50 50
Strength to Weight: Axial (points) 33 33
Strength to Weight: Bending (points) 38 39
Thermal Diffusivity (mm²/s) 51 48
Thermal Shock Resistance (points) 14 14

Further reading: 5083 5383 O H112 Marine Grade Aluminum Bars 5383 Marine Grade Aluminum Plate Sheet 5383 H112 Aluminum 5383 H321 Aluminum 5383 H116 Aluminum 5383 H34 Aluminum 5383 H32 Aluminum 5383 H111 Aluminum 5383 O Aluminum

Tags: Marine Aluminum 5383 5 Series Marine Aluminum Aluminum for Boat Aluminum for Shipbuilding