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Aluminum 5052 vs 5056

Aluminum · grade comparison

Aluminum 5052 and 5056 are both aluminum grades, both corrosion resistant al. 5056 is the stronger of the two: yield strength 235 MPa (34.1 ksi) against 195 MPa (28.3 ksi) for 5052, about 21% more; tensile strength follows at 330 MPa (47.9 ksi) vs 230 MPa (33.4 ksi). 5056 is the more ductile: elongation 20% versus 12% for 5052, and 5056 is harder (78 HB vs 60 HB). 5052 runs hotter in service (150°C vs 65°C continuous) and 5052 conducts heat better (138 W/m·K vs 112 W/m·K). On the shop floor, 5052 sits in a lower cost tier (budget, $) than 5056 (standard, $$).

5052Choose it when the part sees heat, or when cost is the deciding factor.

5056Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

5052 vs 5056: properties

50525056

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

70.3 GPa10.2 Msi
71 GPa10.3 Msi

Shear Modulus

25.9 GPa3.8 Msi
26.5 GPa3.8 Msi

Bulk Modulus

69 GPa10 Msi
70 GPa10.2 Msi

Tensile Strength (Ultimate)

230 MPa33.4 ksi
330 MPa47.9 ksi

Yield Strength (0.2% offset)

195 MPa28.3 ksi
235 MPa34.1 ksi

Elongation at Break

12%
20%

Shear Strength

138 MPa20 ksi
195 MPa28.3 ksi

Fatigue Strength (Endurance Limit)

117 MPa17 ksi
145 MPa21 ksi

Hardness, Brinell

60 HB
78 HB

Hardness, Vickers

68 HV
—

Same in both: Poisson's Ratio 0.33

Physical

Density and transition temperatures.

Density

2.68 g/cm³0.1 lb/in³
2.64 g/cm³0.1 lb/in³

Melting Point (Solidus)

607°C1,125 °F
568°C1,054 °F

Liquidus Temperature

649°C1,200 °F
638°C1,180 °F

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

138 W/m·K79.7 BTU/hr·ft·°F
112 W/m·K64.7 BTU/hr·ft·°F

Specific Heat Capacity

880 J/kg·K0.21 BTU/lb·°F
904 J/kg·K0.22 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

23.8 µm/m·K13.2 µin/in·°F
24.1 µm/m·K13.4 µin/in·°F

Latent Heat of Fusion

393 J/g169 BTU/lb
395 J/g170 BTU/lb

Max Service Temperature (continuous)

150°C302 °F
65°C149 °F

Same in both: Min Service Temperature -196°C-321 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

35 % IACS
28 % IACS

Electrical Resistivity

4.93×10⁻⁸ Ω·m1.94 µΩ·in
6.15×10⁻⁸ Ω·m2.42 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.85 V
-0.87 V

Corrosion Resistance

72 / 100
76 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

50 / 100
55 / 100

Machinability Rating (AISI 1212 = 100 %)

30%
40%

Weldability

90 / 100
85 / 100

Formability (cold)

75 / 100
55 / 100

Polishability

70 / 100
75 / 100

Same in both: Brazeability / Solderability 20 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

155 MJ/kg66,638 BTU/lb
200 MJ/kg85,985 BTU/lb

Embodied Carbon (primary production)

12 kg CO₂/kg
12.5 kg CO₂/kg

Typical Recycled Content

35%
30%

Same in both: Embodied Water 1,200 L/kg144 gal/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

86 kN·m/kg
125 kN·m/kg

Specific Stiffness (E / density)

26.2 MN·m/kg
26.9 MN·m/kg

Modulus of Resilience

270 kJ/m³
389 kJ/m³

Thermal Diffusivity

58.5 mm²/s
46.9 mm²/s

Thermal Shock Resistance Index

19
22

Strength versus weight

Yield strength against density for every aluminum grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

20501002005002.22.42.62.83Density (g/cm³)Yield strength (MPa) — log scale50525056

Manufacturing and finishing

Capability50525056
Default condition——
Relative cost$ Budget$$ Standard
Min. machined wall0.5 mm0.5 mm
Best machined surfaceRa 0.8 µmRa 0.8 µm

Both are offered for CNC machining and Sheet metal. Both take the same 16 finishes: Anodizing Type II, Cerakote, Chem Film (Alodine), DLC, E-Coating, Electroless Nickel (EN), Electropolishing, Epoxy Coating, Gold Plating, Hard Anodize Type III w/ PTFE, Hard Anodizing Type III, Nickel Plating and 4 more.

5052 vs 5056 — frequently asked

Is 5056 stronger than 5052?

Yes. 5056 has a typical yield strength of 235 MPa (34.1 ksi) against 195 MPa (28.3 ksi) for 5052 — about 21% more. Tensile strength is 330 MPa (47.9 ksi) vs 230 MPa (33.4 ksi).

Which is cheaper, 5052 or 5056?

5052 is the lower-cost material: it sits in the budget tier ($) while 5056 is standard ($$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which is easier to machine, 5052 or 5056?

5056. Its machinability rates good (55/100) against fair (50/100) for 5052; for welding the order is 5052 first (excellent, 90/100) then 5056 (excellent, 85/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in 5052 and 5056 side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.